:: A+ Questions and Answers :: 11: What A: System BIOS
form
of
software
can
also
be
called
firmware?
12: What would you set your multimet multimeter er to if you wanted wanted to detect detect an AC ripple? ripple? A: AC Voltage 13: After you install a new floppy drive and restart the system, the floppy drive light stays on constantly and you get an !"" Controller !ailure# $%&' error( What is the problem? A: Floppy cable on backwards 1): What type of port communicates information to a peripheral device one bit at a time? A: Serial port 1*: 1*: &houl hould d A: No
you you
wear wear
a
groun roundi ding ng
stra strap p
whe when
serv servic icin ing g
a
C+' C+'
moni monittor? or?
1: 1: What What are are the the ) type types s of "C volt voltag age e usua usually lly produc produced ed by a powe power r supp supply? ly? A: +5 V 5V + !" V !"V 1-: .f your monitor /ust shows dots when you turn it on, what is most li0ely the problem? A: Bad Video #A$ 1: ou have 2 hard drives installed on your primary ." controller( ou install a C"4 +%5 on your secondary ." controller( What /umper setting would you use for the C"4 +%5? A: $aster 16: What factor determines A: %idt& o' t&e Address B(s
the
amount
of
28: What would A: Antistatic spray
u se
to
clean
21: 5issing A: O)er&eating
slot
you covers
on
a
$C
+A5
a
a
can
C$7
can
monitor
cause
what
control? screen? problem?
22: A 1* pin, three row, female connector on the bac0 of a $C would be used for? A: V*ASV*A port 23: %n a laser printer the primary A: ,laces a (ni'orm negati)e c&arge on t&e p&otosensiti)e dr(m2): 'he A: A./
correct
A'
2*: 7sing a portion A: Virt(al $emory 2: 'he A' A: A.01n(mber2 A.01n(mber2 2-: 9ow A: !5
command of
command
many
pins
hard to
does
to dis0
tell a
tell
a
space a
modem
to
modem
oystic0
or
corona
serve
does
to as
what?
hang +A5
up is
to
dial
a
5.".
port
connector
is?
called?
number
is? have?
2: 9ow can you tell that a $C has successfully completed its $ower on &elf 'est ;$%&'
in
memory
38: %n a laser printer, the laser A: C&anges t&e c&arge on t&e p&otosensiti)e dr(m
are beam
referred performs
to what
as? function?
31: Which electrical component will hold a charge even when no voltage is being applied? A: Capacitor
32: What is the ." C5%&>.%& A: 5"3 million bytes or 54 $egaBytes
limit
for
the
si@e
of
a
hard
drive?
33: 33: ou ou can can prob probab ably ly dete determ rmine ine that that a monit monitor or is wor0 wor0ing ing,, even even thou though gh it is not not connected to a $C, by performing what action? A: .(rn (p t&e brig&tness to see i' t&e raster appears3): What purpose does th e A: Starts t&e system w&en t&e comp(ter is t(rned on3*: A &.55 A: 3 bits + parity
stic0
has
6
"+A5
system
chips(
9ow
+%5
many
bits
3: What is the difference between &+A5 A: S#A$ &as b(ilt in switc&es and does not &a)e to be re'res&ed3-: What type of A: 0ot $atri6 and 0aisy %&eel
printers
3: 3: 9ow does oes a $ent entium ium $ro $ro A: ,enti(m ,ro &as onboard 7" cac&e 36: A: 4!!
What
is
)8: .n order for for A: An IO Address )1: 'he A: Faster
lower
th e device
the
&.55
considered
proc proces esso sor r
binary
a
are
to
diffe iffer r
commu mmunicate
access
rate
with
th e
wide
and
a
the
proce roces ssor? sor?
decimal C$7 C$7
is
BBBBBBBBBBB
it?
printers?
$ent $entiu ium m
of
is
"+A5?
impact
from from
euivalent
serve?
3(
must
the
have?
memory(
)2: our $C is wor0in wor0ing g perfec perfectly tly,, but you notice notice the power power supply supply fan has stopped stopped wor0ing( What should you do? A: #eplace t&e power s(pply )3: What A: 0irect $emory Address
does
)): A: Farads
is
Capacitance
)*: )*: 'he 'he defa defaul ultt A: B4444 B8FFF
stand
measured
memo memory ry addr addres ess s
): What A: ,rogrammed Inp(tO(tp(t
"5A
for for
does
)-: .n serial communication, A: 3 data bits9 no parity9 ! stop bit
the the
in
for?
units
called?
mono monoch chro rome me regi region on of memo memory ry is? is?
$.%
stand
the
for?
setting
,,1
means?
): 'he 2 most important important conside considerat ration ions s when when select selecting ing a surge surge suppre suppresso ssor r are? are? A: Clamping speed and Clamping )oltage )6: our sound card loc0s up your parallel port tape device when both are running( What is probably the problem? A: I# con'lict *8: *8: ou ou appl apply y a pass passwo word rd to C5%& C5%& but but late later r forg forget et it( it( What What shou should ld you you do? do? A: Clear t&e C$OS by s&orting t&e C$OS ;(mper;(mper*1: What should you do before you A: .(rn power o'' be'ore remo)ing power so(rce-
attempt
to
discharge
*2: 9igh humidity can cause what type A: It can ca(se electrical c(rrent to bleed aro(nd t&e c&ips ca(sing s&orts-
of
a
C+'?
problem?
*3: When using an anti4static wrist strap, the best place to attach the grounding clip is? A: .o t&e 'rame o' t&e ,C *): *): %n a lase laser r print rinter er,, what what move moves s the tone toner r from from the the drum rum to the pape paper? r? A: .rans'er Corona **: A:
'he
default
.>%
address
for
C%51
is?
*: &" occurs A: 0i''erent electrical potentials *-: A: =
9ow
many
between
pins
two
does
a
*: What function does A: Con)erts AC c(rrent into 0C c(rrent-
ob/ects
serial
the
that
port
have?
connector
power
supply
have?
perform?
*6: %n a dot matriD printer, a good image on one side of the page and a poor image on the other side of the page would mean what? A: ,laten o(t o' alignment 8: A mouse begins to move erratically /umping around when moved( What is the problem? A: 0irty mo(se 1: Which A: A.>
A'
command
is
used
to
reset
a
modem?
2: What information is stored in C5%& or $+A5? A: 0ate and time- C,? and memory si@e c&aracteristics- Floppy and &ard disk con'ig(ration data3: 'he A: lectrostatic 0isc&arge-
term
E&"E
refers
): 9ow do you dispose of a A: C&eck t&e battery label in'ormation 'or special disposal proced(res*: 9ow can you limit the chance A: Install t&e comp(ter system on its own power circ(it-
to? $C
of
battery?
AC
line
noise?
: ou suspect a virus has entered your computer( What will not be affected by the virus? A: C$OS or #O$BIOS -: What will happen when shadowing is enabled in a computers A: Instr(ctions stored in )ario(s #O$ c&ips are copied into e 6tended memory-
.%&?
: What does an .+F A: Interr(pt t&e C,? to re(est ser)ice-
do?
6: Which A: CO$! and CO$< -8: A: CO$" and CO$ -1: What A: I#
allow
ports
is
cards
use
What
.+F
interface
.+F)?
uses assigned
to
.+F3? the
-2: 9ow can you tell if the C5%& A: Comp(ter will start losing t&e date and time-
to
floppy
bac0up
dis0
battery
is
controller? going
bad?
-3: 9ow many intelligent devices can be daisy4chained together from a standard &C&. controller? A: Se)en D3 i' yo( incl(de t&e adapter cardE -): .f a &C&. card is controlling both eDternal and internal devices where would the terminators need to be located? A: .&e terminating resistor m(st be disabled on t&e controller9 and bot& t&e last internal and last e6ternal de)ices on t&e c&ain m(st be terminated-*: What A: 4634
is
the
default
resolution
-: What does A: .erminate and Stay #esident--: Which A: #A$
allows
faster
'&+ accessI
+A5,
of
a
GHA
stands +%5,
or
monitor? for?
virtual
memory?
-: When installing a high capacity hard dis0 drive on older machines, what might you
have A: #O$ System BIOS
to
upgrade?
-6: What is parity A: Indicates a problem wit& data stored in memory DBad #A$E8: What A: 0B"5
type
of
a
connector
does
error?
a
parallel
cable
have?
1: A parallel printer cable has a "2* connector on one end and a BBBBBBBBBBBBB connector on the other end( A: Centronics 2: &oftware or firmware embedded in chips on the circuit board which determines compatibility( A: BIOS 3: 'he design of the .&A bus only allows for support of 1 5 of memory( .f that is the case, how can a computer support )5 of memory? A: By page swapping ): 9ard drives start out essentially blan0( 'hey need to have their sectors defined on each trac0( .n addition, the sectors have to be mar0ed so that data can later be found and retrieved( 'his process is called? A: 7ow le)el 'ormatting *: A: "83
=$'2
uses
what
.>%
: What are .>% addresses and A: Comm(nication ports between a de)ice and t&e C,?-
address?
what
do
they
do?
-: An error detection techniue consisting of a cyclic algorithm performed on each bloc0 or frame of data by both sending and receiving modems( A: Cyclic #ed(ndancy C&ecking DC#CE : 9ow many A: Only One at a time-
programs
may
reside
in
the
95A?
6: 'his step of the lectrographic $rinting process puts a uniform negative charge on the drum, erasing the electrical image of the previous page( A: Conditioning 68: &erial cables can be longer than parallel ones, with the maDimum recommended length for a serial cable being? A: 54 't61: 'his topology uses a hub instead of a single trun0 cable( .ndividual wor0stations eDtend from the hub, each connected by its own cable( &ignals are broadcast to all stations or passed from station to station( A: Star 62: 9ow A: !44
many
transceivers
can
be
integrated
onto
a
'hic0net
bac0bone?
63: Consider the following scenario: ou are loo0ing at a laser printer that prints perfectly formed letters that smear easily( 7sing what you 0now about the $ process, what assembly would you suspect? A: F(ser 6): What A: 30
was
6*: "C2888, A: .ape media 6: What A: A.
the "A',
type
of
first
come
with
F.C8
are
all
motherboard
has
and
C$7
to
a
6-: What occurs during the writing part of A: An image o' 4Vdc c&arge is GwrittenH to t&e dr(m wit& a laser
a
built4in
eDamples soft the
coprocessor? of
what?
power4on
switch?
$
process?
print
6: 'he A: 53
first
66: What A: c&arging writing de)eloping trans'er '(sing
are
C$7
to
the
188: Where A: At bot& ends 181: A: ISA 182: A: 4
Which What
bus
do
both
disable
data
=aser
path
$rinter
of
J
a
bus
&C&.?
1
good
bit
cards?
1*amp
mastering
was? process?
terminate
resistance
you
)bit
you
supports the
a
steps of cleaning
do
should
183: 9ow A: in C$OS
have
on
fuse
a
be?
noteboo0?
18): What would cause your .$ address to change each time you log onto the networ0? A: A 0/C, ser)er &as been installed18*: &oftware A: 'irmware 18: What A: IO address
embedded
are
the
on
motherboard
/umpers
on
a
is
networ0
referred card
to
used
to
as? set?
18-: ou want to be sure your $C is connected to the networ0( What you should do? A: ping t&e ser)er 18: Which is not A: NAN DNational area Network:E 186: Which A: directory
of
118: What must A: laser printer 111: A: C,
Which
112: Which A: So(nd Card-
the
never
of one
of
form
following
be
the
a
is
connected following the
of
a
a
0ind
not
to
the
is
a
following
same
7$&
type
of
uses
networ0? of
the
virus?
$C
is
parallel
a
"5A
using? port?
channel?
113: When you boot up your computer you get a !iDed dis0# error( What is the cause? A: Incorrect C$OS settings11): What is A: access rig&ts
do
11*: What A: !4base.
is
11: What A: F.,
protocol
you
need
to
another do
you
connect
name use
to
11-: What A: $ass storage &ard dri)e 11: What must A: So'tware nabler
you
to
for
a
twisted
transfer
a
file
is have
for
a
$C5C.A
do
on
128: What should A: ?npl(g all cables-
ta0ing
case
do
before
resources?
pair over
cable?
the
.nternet?
A'A$.?
116: What does =A A: Allows t&em to access dri)es o)er 54 $Byou
networ0s
card older off
your
to
wor0? $Cs? computer?
121: What A: !F4&
is
122: What A: Floppy
the
is
.>%
the
3)
address
pin
for
connector
123: When do you need A: %&en yo(Hre replacing an internal component
the
hard
used
for
to
dis0
on
controller?
an
discharge
.>% a
card? C+'?
12): A: "'3&
What
is
the
.>%
address
for
C%52?
12*: A: "e3&
What
is
the
.>%
address
for
C%5)?
12: Which connector A: !5 pin Centronics
cannot
be
12-: .n $eer4to4peer networ0s which A: ac& ,C can access any ot&er ,Cs data12: A: ISA
Which
126: A: 0I$$
bus
What
138: Which A: ISA9 ISA9 V7
sort port
131: 'he A: 5!"9 "5 132: A: !5
can
$entium
9ow
133: A A: eyboard
has
many series
388
of
the
up
of plug
..
chip does
error
to
&C&.
a
.&A
has
1bit
a
a
true?
pins?
or
device
cache
si@e
monitor
problem
is
path?
1
card
&GHA
cabling?
statements
has
an
a is
for
following
chip
you
pins
used
cable
with
the
into? of? have?
BBBBBB(
13): At the end of a &C&. chain you should use a terminator( 'his terminator is actually what? A: a resistor 13*: What does the A: Small Comp(ter Systems Inter'ace 13: A label with the A: A ,otential 'or personal in;(ry
acronym
term
&C&.
WA+.HK#
stands
on
it
for?
means
what?
13-: A path of circuitry that connects the C$7 to the eDpansion slots is called? A: A B(s 13: A: $/@
What
type
of
measurement
is
used
for
C$7
speed?
136: When you begin to diagnose a computer problem, what is the best way to differentiate between a hardware and a software problem? A: Boot 'rom a Jclean bootJ diskette1)8: Which A: A.A,I compliant
is
a
feature
1)1: What data access width A: ! K <" bit 1)2: A: ,CI
Which
1)3: %n A: Sectors 1)): Which A: <3 1)*:
Which
is used by 5icro
system a
processor type
board
hard
dis0,
chip of
of
was
)
has
chip
first runs
Channel a
'rac0s the
."
are
with
the
twice
devices?
Architecture ;5CA
bus?
divided
into?
ability as
fast
to
multitas0? internally?
A: 30" 1): Which type of ) chip runs at 33mh@ on the system board and 66mh@ internally? A: 3d6 1)-: Which A: ,enti(m
processor
chip
was
the
first
to
be
considered
fault
tolerant?
1): Which peripheral port provides the !A&'&' throughput to a laser printer? A: ,arallel port 1)6: Which A: ?A#. !554
hardware
component
controls
serial
port
communications?
1*8: %n a 14bit .&A bus, .+F2 us elevated to which higher level interrupt? A: = 1*1: A part of a computer or other electronic device that can be readily replaced in the field on a service call, and does not reuire any soldering or other special euipment is called? A: Field #eplaceable ?nit DF#?E 1*2: What A: .L, I
is
1*3: Which A: 3S
thinnest
processor
1*): What A: #e(est .o Send 1**: What A: C$OS
$C5C.A chip
does
computer
has
card, a
disabled
the
chip
holds
the
Which
1*: Which A: .ype III
of
in
coprocessor
stand
uses
thic0ness? on
stand
configuration
C5%&
$C5C.A
mm
+'&
computerLs
processor
type
3(*
math
acronym
1*: What does A: Complimentary $etal O6ide Semicond(ctor1*-: A: ,enti(m
measuring
for? information? for?
&oc0et
card
supports
board?
-?
9ard
"rives?
1*6: .n the inary numbering system, a ;1< represents a /umper being shorted and a ;8< represents a /umper being open( %n a three4bit /umper bloc0 on a &C&. drive, how would an ." of logical 3 be set? A: 4!! 1*: Which of the following A: ac& SCSI de)ice m(st &a)e its own I0
statements
is
true?
1*6: When connecting a ribbon cable to a connector, how do you 0now which direction to plug it in? A: .&e colored line in t&e cable go es to pin M! 18: A: O&ms
+esistance
is
measured
in?
11: What does the statement ECurrent "rive is no longer validE mean? A: Lo(r c(rrent dri)e is eit&er a network dri)e t&at is no longer connected9 or a disk dri)e wit& no disk in it12: 9ow can A: BIOS on t&e card-
you
disable
bus
mastering
for
a
$C
card?
13: Which of the following items would reuire you to comply with $A disposal guidelines? A: Battery 1): 'he &" wrist strap is designed to protect $C Components or &ervice 'echnicians ? A: Bot& 1*:(
Which
processor
uses
slot
1?
A: ,enti(m II 1: What does A: Basic Inp(tO(tp(t System 1-: Which part of A: ,&otosensiti)e 0r(m
the
the laser
term
printer
.%&
should
not
stand
be
for?
eDposed
to
sunlight?
1: 'he stage of laser printing where the image is transferred from drum to paper is called? A: .rans'er Stage 16: Which component of the laser printer must be vacuumed or replaced during preventive maintenance? A: O@one 'ilter 1-8: 'o prevent toner from stic0ing to a laser printerLs heat rollers you should apply? A: Oil 1-1: "uring preventive maintenance on a dot matriD printer, you should never lubricate? A: ,rint &ead pins 1-2: What 2 items would you A: $ild9 soapy water clean9 lint 'ree clot&
use
to
clean
plastic
covers
on
printers?
1-3: .f you notice your dot matriD printer is starting to print faint, patchy and intermittent characters, what would probably fiD the problem? A: C&ange t&e ribbon 1-): &" damage can be A: ,lacing an IO Controller Card in a noncond(cti)e plastic bag 1-*: What device A: Battery back(p (nits D?,SE
prevents
caused
power
by?
interruptions?
1-: What is the best way to protect your computer during an electrical storm? A: 0isconnect all e6ternal cables and power cords 1--: Can A: Les
a
monitor
hold
a
charge
even
after
you
have
1-: What should you do first when troubleshooting A: C&eck t&e connections to t&e power so(rce and to t&e comp(ter-
a
unplugged faulty
it?
monitor?
1-6: When you measure an un0nown voltage source, you should always start the meter set on the BBBBBBBBB setting possible to prevent damage to the meter( A: /ig&est 18: 9ow many %hms should your meter register if you are testing a good circuit? A: 4 11: What is happening during the initial memory A: .&e system is c&ecking to see t&at contig(o(s memory is installed-
test
at
boot4up?
12: our computer determines the amount of memory present, the date>time, and which communication ports and display adapters are installed during what phase? A: ,ower On Sel' .est D,OS.E 13: What is a common complication when adding a 1(H ." hard drive to an older system? A: .&e System BIOS needs to be (pgraded1): .f your hard drive light is constantly blin0ing while you are using one of your applications, this could be a sign of what? A: .&at yo( need to add #A$ 1*: 9ow can you best prevent &" when wor0ing A: ,lace components on an antistatic mat %ear a gro(nding wrist strap1: A A: A resistor
grounding
1-: 'his symbol represents what?
wrist
strap
on
contains
a
computer? what?
A: A *ro(nd 1: A: ISA
Which
16: 'he A: +5 )olts
is
both
"C
voltage
a
1
on
and
most
32
bit
circuit
bus?
boards
is?
168: What type of controller will support both internal and eDternal C"4+%5s? A: SCSI 162: 9ow many piDels does a standard GHA display have in its native graphics mode? A: 4634 pi6els 163: When the files on your hard drive are not stored in consecutive clusters, it is said to be? A: Fragmented 16): What command would you type to fine out how much and what type of memory you have available? A: $$ 16*: ou /ust bought a new video card( What is an important uestion to answer before installing ? A: %&at are t&e a)ailable I#Ps 16: 9ow long should you wait for the C+' to discharge before opening the case? A: 4 min(tes or more16-: What can be used to ensure A: ?ninterr(pted ,ower S(pply D?,SE
your
power
16: When is the ris0 of A: 0(ring low &(midity D0ryE and cold-temperat(res-
supply &"
is
not
the
interrupted? greatest?
166: A user calls and says his $C was wor0ing fine yesterday but he turned on this morning and he is getting an error that reads E.nvalid &ystem "is0E( What could be the problem? A: Floppy in dri)e A: 288: What would it mean if you did not hear any beeps when you boot your computer? A: Bad or disconnected speaker281: What A: 0ial ?p access
is
the
cheapest
way
to
access
the
.nternet?
282: .f a monitor only displays blue or green, or combinations of blue and green, what is the problem? A: .&e #0 electron g(n is broken283: When you power up the monitor, it displays a 381# error code, what is the problem? A: eyboard 28): What type of output device should never be hoo0ed up to a switch boD? A: 7aser printer 28*: "oes it matter which lead of a voltmeter is connected to an AC circuit? A: No 28: "oes A: 6tended
shadowing
normally
28-: What does A: Sim(ltaneo(s .ransmit and #ecei)e
occur
in !ull
conventional
or
"upleD
eDtended
memory?
mean?
28: "o $C. cards need .+Fs? A: No- ,CI cards donPt (se I#s9 t&ey (se JInterr(pt 7e)elsJ9 n(mbered A9B9C and 0286: .f the output from the power supply drops from M12 Golts to M11(3 Golts, what should you do? A: Not&ing9 a slig&t power drop or increase is acceptable218: 'he resolution of a monitor will always ultimately be determined by what? A: .&e n(mber o' triads 211: What is the correct handsha0e signals A: 0ata .erminal #eady and 0ata Set #eady D0.#0S#E 212: A: 3
9ow
213: What A: "4 't-
many is
"5A
the
channels
maDimum
are
length
used on
for
a
in
a
serial
14bit
narrow,
slow,
data
transfers?
.&A
system?
&C&.42
chain?
21): What is the first step to be performed after installing a new blan0 hard drive? A: ,artition t&e &ard dri)e21*: What product A: 0enat(red Alco&ol 21: What A: #Q!!
must
type
you
of
use
to clean
connection
the
ports
rubber
do
rollers
most
on
a
modems
printer? have?
21-: .n the A' type $Cs, the system .%& is most commonly located where in memory? A: .&e ;(st below address FFFFF21: .n .n0/et technology, the droplets of in0 are deflected towards the paper by what? A: lectrically c&arged plates 216: Dternal A: Serial
modems
are
228: What A: lectromagnetic Inter'erence
usually
connected
does
to
which
5.
type
stand
of
ports?
for?
221: .f a laser printer 0eeps grabbing more than one sheet of paper at a time, the problem is most li0ely? A: ,aper &as picked (p too m(c& moist(re222: What A: Lmodem >modem
are
the
3
types
of modem modem
transmission
protocols?
223: .f the characters printed on a dot matriD appear chopped off at the top, what is the li0ely problem? A: $isaligned print&ead 22): 9ow many -2 pin &.55s are needed to ma0e a ban0 on a $entium $C? A: " 22*: What A: >modem 22: A: No
Will
is
the
you
most
ever
22-: What does A: $od(lator 0emod(lator 22: A: ,CI
What
226: 5ost A: <-< Volts
is
popular
find
.&A
the the
$entium
fasted C$7s
type slots
term type run
of
modem
on
a
5%"5 of on
protocol?
laptop stand
eDpansion what
$C? for? bus?
voltage?
238: ou have /ust replaced the toner cartridge in a laser printer( 'he first few sheets come out smudged( What should you do to fiD this?
A: #(n a 'ew blank s&eets tro(g& (ntil sm(dging stops231: A: Serial 232: A: "
What
9ow
2
many
types
logical
of
drives
233: A laser printer generates A: No power to t&e primary corona
ports ,S"
can
an
a totally
can
." blac0
hard
a
mouse
dis0
be
use?
divided
into?
sheet( What could cause this?
23): 'he distance between two ad/acent phosphors of the same color on the C+' screen is 0nown as? A: 0ot pitc& 23*: 9ow often should A: Ne)er to(c& t&e laser in a C0#O$
you
23: A: 8
of
'he
decimal
euivalent
clean the
a
C"4+%5
binary
number
laser? 8111
is?
23-: When you send print to your laser printer, the sheets come out blan0( What is most li0ely the cause? A: No power to t&e trans'er corona23: When testing household current, you should read how many volts between the neutral and the ground? A: 4 236: A: 5
What
.+F
does
=$'2
use?
2)8: ou boot a computer and get the message o +%5 basic, system halted#( What is the problem? A: .&ere is no acti)e partition 2)1: A bi4directional A: I !"3
parallel
cable
is
also
0nown
by
what
specification?
2)2: .f your monitor only shows a single line, what is probably the problem? A: Bad yoke coil 2)3: When cleaning A: All p(rpose cleaner2)): An error A: $emory o)er'low
code
the
0eys
28
on
on an
a 9$
0eyboard, laser
you
printer
should signifies
use? what?
2)*: .mproper installation of the floppy drive ribbon cable can cause permanent damage to your $C? A: False 2): What are the $ A: .&ey connect t&e power s(pply to t&e mot&erboard-
and
$6
connectors?
2)-: 'ransferring multiple bits of data over several conductors at one time is what type of communication? A: ,arallel 2): When a power cable and a printer cable get too close together, what might occur? A: $I 2)6: A: No
&hould
2*8: What A: Speed 2*1: A: #A$ 2*2:
is
you the
very .ntermittent
plug
primary GHA loc0ups
a
laser
advantage
of
parallel
video and
printer
reboots
into
communication
card are
has a
sign
a
7$&?
over
serial?
what? of
what?
A: Bad power s(pply 2*3: &tandard A: !"4 Volts AC9 4 /@ 2*): A: <3
What
2**: A: %AN $AN
is
What
2*: 'he A: .ransistor
7& the
is
base,
household
.>% are
address the
emitter,
and
current is
3 7AN
used
types
collector
is? for
of
are
all
C%53? networ0s?
parts
of
what?
2*-: What type of electrical device allows current to only flow in one direction? A: 0iode 2*: What A: ,enti(m
type
of
processor
2*6: 9ow often does A: )ery ! milliseconds 28: What is A: A @ig @ag line RRRR 21: .n A: Sector
an
."
"ynamic
the hard
22: What must A: .erminating resistor
built +A5
in
drive
the
installed acronym
coprocessor need
symbol
minimum at
math
;"+A5<
electrical
be
23: 'he A: /ead to disk inter'erence
has
the
for
storage end
9".
to
and
be
refreshed?
a unit
of
a
cache?
resistor? is
called
&C&.
stands
a?
chain?
for?
2): With a dot matriD printer, light then dar0 print is most commonly caused by? A: rratic ribbon ad)ancement 2*: our client gets garbage characters when trying to print a document( Which of the uestions listed below could you as0? ;choose all that apply< A: Occ(rrence D&ow o'tenE 0o yo( &a)e a sample %&at applications are being (sed %&ere is t&e printer located 2: Which of the following should be considered when storing laser printer paper? ;choose all that apply< A: 7ocation .emperat(re /(midity 2-: Which bus type was introduced by .5 and was not accepted by the industry? A: $CA 2: What A: ,rinter
device
26: What device can A: S(rge S(ppressor
ta0es you
use
advantage to prevent
of
power
5!
surges to your computer?
2-8: What is the purpose A: .(rns digital signals into analog signals and )ice )ersa-
of
the
2-1: 'he ma/or difference A: $I is reco)erable9 S0 is not-
&"
and
between
spooling?
5odem? 5.
is?
2-2: ou are testing a household electrical outlet( .f you test the ground J neutral wires, you should get what reading? A: 4 2-3:
7nused
memory
in
the
reserved
area
is
called?
A: ?$B D?pper $emory BlocksE 2-): 'he 3)N of memory A: ?pper or #eser)ed $emory 2-*: Which A: -44
of
region
the
between
following
)8N
is
2-: What is the purpose A: In case t&e low )oltage power s(pply o)er&eats-
and
not
of
15
is
internet
a
called?
related?
'hermal
!use?
2--: ou get a call from a user complaining that his computer consistently loc0s up after only * minutes of operation( What is the possible cause? A: Fa(lty power s(pply 2-: What A: 7! K 7" 2-6: A:
'he
types ."
of
Cache
memory
specification
28: 'he most A: < T U9 !- $B
are
allows
common
si@e
a
available
maDimum
of
22: 'he A: System BIOS 23: A: 5!" 2): A: 0B= 2*: A: ?,S
9ow What
+%5
chip
many
bytes
is
Which
a
in
protect
many
in
$ro
hard
use
a
hard
for
a
against
C$7? drives?
today
is?
by?
motherboard
connector
can
$entium
determined
the
stored
common
device
drive
on
a
how
are
located are
of
floppy
21: !loppy drive letters A: ,osition o' t&e dri)e on t&e 'loppy cable-
on
stores?
drive
sector?
serial
port?
power
sags?
2: A customer calls and says that his monitor light is on but he has no display( 9is $C apparently seems to boot %N and is running( What is the first thing you would do? A: C&eck t&e monitor ad;(stment controls 2-: What tool A: /ig& )oltage probe
would
2: 'he video A: C4444 C8FFF
.%&
26: What would A: 0enat(red Alco&ol
you
268: What A: !"bit
is
use
si@e
much
use
to
normally to clean
is
261: What is the most A: ,ress 07 key at boot(p 262: 9ow A: ! $B
you
common
memory
located
the
the
properly at
for
to
access
could
what
printhead
!A' way
discharge
the
on a
memory
8
C+'
?
address?
dot4matriD printer
a the
the
floppy C5%&
drive?
&etup
processor
?
program? address?
263: An old .5 $C gives you a $%&' error code of 1-81( What does this point to? A: /ard 0ri)e Controller 26): Where A: #eser)ed $emory
are
26*: What A: Copy itsel'
the
is
26: When servicing A: ,rint&ead 26-: What A: Add #A$
action
the one
7pper thing
memory that
all
bloc0s GirusesL
located?
try
to
do?
a dot matriD printer, which component gets very hot ? will
enable
more
applications
to
run
simultaneously?
26: A: "
What
"5A
channel
does
a
floppy
drive
use?
266: 'he monitor power =" is OonO but the monitor screen is completely dar0( 'he least li0ely cause of the problem is: A: System #A$ problem 388: 9ow may standard levels of interrupts are provided on the 4bit .&A bus ;P'4class computer
specifies
your
hard
dis0
configuration?
382: After doing a low4level format, what would be the neDt step in configuring the hard drive in a system? A: ,artition &ard disk 383: After displaying the directory of a floppy dis0, a different floppy is inserted into the drive( 'he contents of the original floppy continues to display regardless of the director reuests on the other floppies placed in the drive( ou remove the drive in uestion and install it into your test system, and it does not eDhibit the problem( ou should neDt replace the what? A: Floppy dri)e ribbon cable 38): "uring the A: System board
boot
process,
a
system
first
counts
memory
from
where?
38*: A customer attached an eDternal drive to his noteboo0 computer but the computer is not recogni@ing it( What should be considered? A: .&e cables are attac&ed 'irmly .&e e6ternal dri)e &as been preloaded wit& t&e appropriate so'tware .&e e6ternal dri)e was attac&ed be'ore t&e comp(ter was on .&e e6ternal dri)e is t(rned on 38: &uppose that you have a EsolidE failure, and the maintenance pac0age identifies several possible field replaceable units ;!+7s< that will resolve the problem( What should you do after turning the power off? A: #eplace t&e indicated parts9 one at a time in t&e recommended se(ence9 (ntil t&e problem is resol)ed ret(rn (n(sed F#?s to stock38-: When considering replacement of a $COs power supply, one should be concerned about? ;choose two< A: Voltage and ampere rating Si@e and s&ape9 ono'' switc& placement9 and wattage 38: A: Video C,? #A$
Which
components ,ower
could
cause
a s(pply
blan0
screen?
card
386: A 0eyboard loc0s up intermittently even when replaced with a new 0eyboard( What is the =A&' li0ely cause of the problem? A: A second bad keyboard 318: What uestions could be as0ed to determine if a problem is software or hardware related? ;choose all that apply< A: 0oes t&e comp(ter B, d(ring t&e boot p&ase 0id perip&eral de)ices initiali@e9 i-eprinters %ill &ardware components pass diagnostics 311: Which of the following would be a logical first step in trouble shooting a $C? A: 0e'ine t&e circ(mstances o' t&e problem 312: "uring A: #O$ BIOS
the
normal
$C
boot
process,
what
is
activated
first?
313: What is the first thing you could do to chec0 for damage to a printer after receiving it?
A: ?nbo6 it and e6amine it 'or p&ysical damage31): When measuring AC ;Alternating Current< with a multimeter, is it important to maintain the proper polarity( A: False 31*: Which !+7 A: SCSI /ost adapter
can
be
considered
both
an
input
and
output
device?
31: 9.55(&& gives you any 0ind of error during startup( 'his usually means what? A: Bad #A$ 31-: 5emory addresses A: Con)entional $emory 31: A: $S
Dtended
316: Which A: /I$$-SLS 328: A: 54
located
9ow
321: What A: /eads Sectors.rack
first
memory
driver many
are
in the
the
is
allows
pins 3
also
you
does
a
basic
)8N of memory are
to
narrow
components Cylinders
0nown
called? access
&C&.42
of
as?
hard
95A?
cable drive
have? geometry?
322: When not in use, it is very important to 0eep * 1>) dis0ettes where? A: In t&eir protecti)e slee)es 323: 9ow many A: 3 D" <" W 3E
5egabytes
32): What A: Secondary /ard 0ri)e Controller 32*: 'he 'W% A: #ate o' trans'er
is
device
primary performance 0isk
a
2 uses
restraints for Access
D
32
&.55?
.+F1*? mass storage devices speed
are?
32: .f you have a device using .+F2, then you should not have any other device using which other .+F? A: I#= 32-: A: <3
9ow
32: &ystem A: Firmware
large software
is
stored
the
reserved
on non4volatile memory
memory
area?
chips ;+%5< is
called?
326: .n a 14bit environment, what is the most clusters a partition can have? A: 338: What A: eyboard controller
is
the
8)2
chip
used
for?
331: .f you replace the battery and the date J time cloc0 is still malfunctioning, then you probably have what type of problem? A: Bad mot&erboard 332: What is the maDimum number of floppy drives you can have on any one $C? A: " 333: When configuring a new networ0 interface card for installation, what would be a valid .>% address? A: <4 33): Can you use a standard multimeter for measuring a monitors high voltage output? A: No 33*: &hould a Computer technician attempt to open a power supply in order to repair it?
A: No 33: When do you need A: %&en yo( &a)e se)ere power problems-
to
use
=ine
Conditioners?
33-: "o &urge &uppressors offer really good protection for computer euipment? A: No 33: .f you chec0 a good ) amp fuse with the ohmmeter set at 28 what reading would you get? A: 4-4 336: 9ow A: 4k
much
3)8: 9ow A: !$B
memory
much
3)1: 9ow A: 0enat(red alco&ol
did
memory
would
the
8
could
a
you
and
8
82
clean
computers
computer
a
have?
address?
floppy
drive?
3)2: What code is entered on the !A' table to designate the last cluster a file uses? A: FFFF 3)3: What A: FFF8
code
is
entered
on
the
!A'
table
to
designate
a
bad
cluster?
3)): ou have a old $C with a 5!5 hard drive which boots occasionally for no reason( 9ow would you fiD this? A: Back it (p and t&en per'orm a lowle)el 'ormat3)*: What &C&. feature A: All de)ices &a)e (ni(e I0s3): Which A: I0
type
3)-: 9ow A: *B
much
drives
allows get
memory
multiple
logical could
devices
letter a
to
assignment
3
or
above
be
chained
first,
together?
&C&.
computer
or
."?
address?
3): .f you have a laser printer connected to your $C, which one would you turn on first? A: 7aser printer 3)6: .f your monitor is ma0ing a high pitched noise, what might the problem be? A: Bad )ideo controller 3*8: At what location on the A: Cylinder 49 /ead 49 Sector !
hard drive
will
you
find 5aster boot record?
3*1: A customer complains his printer doesnOt wor0 but the light is on( What is the first thing you should do to correct the problem? A: $ake s(re t&e printer is online3*2: 'oner A: Negati)e
particles
have
what
type
of
charge?
3*3: ou are testing a household electrical outlet( .f you test hot J neutral wires, you should get what reading? A: !!4!"4) 3*3: ou are testing a household electrical outlet( .f you test hot J ground wires, you should get what reading? A: !!4!"4) 3*): Which will cause more damage to your computer system components, 5. or &"? A: S0 3**: Which components A: #A$ IO controller cards 3*:
Which
C%5
in
your
port
$C
is most C$OS
does
the
susceptible
mouse
to
&"
usually
damage?
use?
A: CO$! 3*-: After replacing a motherboard, what should you do with the adapter cards? A: ,(t t&em all back in t&eir original slots3*: Why would you never want to test computer circuits with a standard %hmmeter? A: O&mmeters pro)ide t&eir own c(rrent w&ic& may damage internal components3*6: Which type of fire eDtinguisher would you use to fight a computer or electrical fire? A: Class C 38: What A: O&ms
do
you
set
31: Which is A: .oner Cartridge 32: Which A: C$OS
your
the
part
of
Golt4%hm
easiest
the
meter
to
component
computer
is
in
to
most
order
to
test
a
environmentally
li0ely
to
be
fuse?
recycl e?
effected
by
5.?
33: .f the digital multimeter is set for "C, %hm and 280, what will it read while measuring a good 2 amp fuse? A: 4-44 3): A: SCSI ,ort
What
does
3*: What A: System C&assis
is
this
not
symbol
typically
represent?
considered
a
!+7?
3: What $C part would reuire you to follow $A guidelines when you dispose of it? A: C$OS battery 3-: What A: resistor
do
you
use
to
discharge
the
C+'?
3: When replacing a power supply in a computer, how do the blac0 wires connect to the mother board? A: .&ey 'ace eac& ot&er on t&e insides o' t&e pl(gs36: .f your monitor has random dots on it, the problem most li0ely is with the? A: Video Card 3-8: Which of the following devices can send and receive information from other devices? ;Choose 2< A: Serial ,ort ,arallel port 3-1: What A: #andom program e)ents
causes
&oft#
memory
errors?
3-2: What causes A: Bad SI$$ or S&ort in circ(it
9ard#
memory
errors?
3-3: A: <
9ow
3-): What A: AC O(tlet 3-*: A: I#!
many is
'he
3-: 'he A: 4!!! 3-6: A: 54$B
best
'he
3-: %n A: .&e longer slot 3--: A: 4
the
electron
ground
does
source
Neyboard a
wall
&C&. binary
9ow
guns
boot address
much
a
must
the can
monitor
conductive
side be
&C&. a
is
neutral? which
adapter *#
bench?
.+F?
have
host
use?
wor0
what
which
drive
data
for
color
uses
outlet,
of
a
C"
is
."? usually? store?
38: A $C with a )"P2 processor runs internally at *85h@( What speed would its eDternal logic be running? A: "5$&@ 31: Which device A: SCSI &ard dri)es
provides
the
fastest
access
to
large
video
files?
32: When connecting two eDternal &C&. hard dis0s to a computer, where can you connect the second hard drive? A: Any open SCSI port on t&e comp(ter An open SCSI port on t&e 'irst &ard dri)e 33: When installing a &C&. C"4+%5 drive, you must set the C"4+%5 &C&. adapter to what? A: An (n(sed SCSI address3): A: #A$
Which
device
provides
the
3*: What does the C$7 A: 6ec(tes ,er'orms mat& Controls inp(to(tp(t operations 3: What A: ,C$CIA
do? program
specification
3-: Which would A: Controller board
you
have
fastest
access
time?
;choose
all that instr(ctions '(nctions
covers to
data
$C
upgrade
to
hard install
apply<
cards?
an
."
drive?
3: Which peripheral port provides the !A&'&' throughput to laser printers? A: ,arallel 36: A 2*4pin female connector on the bac0 of your computer will typically be? A: ,arallel ,ort 368: C%51 A: = pin male
is
361: A 1)() A: !944!59444
modem
362: A A: ASLNC port
typically
represented
should
modem
could
transmit be
by at
which
BBBBB
attached
bits
to
of
port?
per
second(
which
port?
363: A customer has one printer on =$'1 and wants to add another printer( 'o which port could it be connected? A: CO$! 7,." CO$" 36): What is a type A: 0isk c&eck diagnostics
of
36*: Which should you A: Alco&olimpregnated wipes
preventive use
for
maintenance cleaning
used
on
5ylar4protected
a
hard
=C"
drive?
screens?
36: .t is most important to 0eep hard drives and dis0ettes away from? ;choose two< A: $agnetic de)ices .emperat(re e6tremes 36-: What uestions would you as0 to determine if the display is wor0ing? A: Is t&ere a )ideo c(rsor or action on t&e screen 0id t&e comp(ter beep or c&ime Is t&ere &ig& )oltage static on t&e screen Is t&e )ideo display brig&tness and contrast t(rned (p 36: Which A: V*A
monitor
would
provide
the
highest
level
of
performance?
366: A multimeter can be use to perform tests on which of the following? ;choose all that apply< A: .o test a capacitor
.esting .esting transistors
diodes
)88: .n order for a modem to accept data, which of the following signals must be present? ;choose all that apply< A: Carrier detect #ecei)e data )81: What A: #O$ BIOS
part
)82: A: 4!
What
error
)83: A: LS
Can
5.
)8): .n a laser A: Scanner (nit
of
the
code
performs
identifies
affect
printer
$C a
the
which
floppy
display
component
the drive
on
will
not
problem?
a cause
$%&'?
monitor? a
paper
/am?
)8*: What resistance in %hms should be displayed when testing a spea0er in a computer? A: 4 )8: %n an A' computer, which .+F could not be used for a networ0 card? A: ! )8-: "5A is managed with a controller chip on the system board( 9ow many channels can a single controller chip manage? A: )8: %n a floppy cable, the connector with the twist will be come which drive letter? A: A )86: ou have a printer on =$'1, you want to install another printer( 'o which port should it be connected? A: 7,." )18: %n a leased line installation a 0nown good eDternal modem shows no carrier detect light( What is most li0ely the problem? A: ,&one line )11: 'o clean A: All p(rpose cleaner
the
plastic 0amp
case
of
a
$C you clot&
would
use?
)12: Which processor chip was introduced in 16) and has 138,888 transistors? A: 34"3 )13: 'heBBBBB A: 34"3 )1): Which A: 3
was
)1*: What A: ,C$CIA
chip the
is
found
first
type
in
most
processor
of
chip
bus
potential
)1: &" would A: 6pansion board
cause
decreases the
most
to
is
)1: 'o avoid &" when wor0ing on a A: Ass(re t&at yo( and t&e ,C are at ?se antistatic spray liberally )1-: &" A: A wrist strap
A'
with
class
have
used $C, t&e
computers(
onboard in
cache?
laptops?
you should? ;choose same electrical c&arge the
damage
use to
which
of
two< le)el
what? component?
)16: %ne of the ma/or components of a $C is the Central $rocessing 7nit ;C$7< which can be best described as: A: .&e area w&ere all o' t&e processing takes place)28: Which type of system board is the 5%&' li0ely will be best if you want maDimum
performance A: ,CI
and
)21: What A: IO controller
future
+F7.+&
an
compatibility?
anti4static
bag
for
transport?
)22: Which was the first interface to embed the controller within the drive housing? A: I0 )23: Which type of interface can eDchange data without the use of microprocessor? A: SCSI )2): A: 8
'he
host
)2*: 9ow A: = or "
adapter
many
of
pins
a
&C&.
do
interface
"ot
)2: 9ow does a A: %it& &eat and special t&ermal paper
is
matriD
thermal
usually
set
printers
printer
to
what
commonly
produce
."?
use?
images?
)2-: 7sing paper that is to coarse in a laser printer can cause what problem? A: ,remat(re wear to t&e paper pat& )2: Which A: ISA
bus
)26: What type A: 3 and ! bit slots
type of
can
reach
a
eDpansion
pea0
bus
transfer
does
an
rate A'
of
335bps?
bus
support?
)38: What is the highest binary number that can be referenced on a three position /umper bloc0? A: 8 D4!!!E )31: What is the problem A: It can 'licker and ca(se eye strain)32: .n a normal A: 34 col(mns by "5 lines-
teDt
with mode
an a
interlaced
monitor
monitor?
can
display?
)33: 'he resolution A: <"46"44 colors
for
the
CHA
standard
monitor
is?
)3): 'he resolution A: 4634! colors
for
the
GHA
standard
monitor
is?
)3*: 'he resolution A: 344644! colors
for
&GHA
standard
monitor
is?
)3: 'he resolution A: 4634595< colors
for
PHA
standard
monitor
is?
the the
)3-: %f the two types of 0eyboards Capacitive and &witch, which is more prone to failure? A: Switc& )3: When referring A: Cleans (p electrical noise-
to
0eyboards,
what
does
debouncing
mean?
)36: A mode of data transmission characteri@ed by regular time periods and no start or stop bits is called? A: Sync&rono(s ))8: Which serial data transmission mode is faster, synchronous or asynchronous? A: Sync&rono(s ))1: "oes A: One c&aracter-
a
byte
eual
one
character
or
one
word?
))2: ou have two modems connected over a phone line and one modem is dropping characters( What is the most li0ely problem ? A: .&e modem is not con'ig(red correctly))3:
Which
prong
on
the
AC
plug
is
the
$hase
side?
A: .&e s&orter one ))): A: %atts
A
$ower
&upply
is
rated
in?
))*: 'he fusing unit of a laser printer uses what 2 elements to bond the image to the paper? A: /eat and ,ress(re )): Why should you change an in0 /et A: %it& a new cartridge yo( are also replacing t&e ;ets ))-: ou have A: "44 dots per inc&
a
)): 'he transfer A: ,ositi)e
printing corona
))6: A printwire A: 0ot $atri6
1: A: <4
6
2: 9ow A: 3: 9ow A: <" ): A A: =
serial
*: 9ow A: 4
many
: 9ow A: 4
is
bits
data
be
the
big
is
in
have
the on
wires
288dpi(
laser printer
system
is
port
of
found
&.55s
bits
many
wire in a
can
bit many
resolution
cartridge
your
has
bus
would
does
the
standard
the
conventional
of
does
refilling that
type
of
for
mean?
printer?
many
for
it?
what type of charge?
what
bus
$C
What
how
data
data
instead
a
pins?
$entium
a
)"P)
have
how
."
drive
memory
$rocessor? processor?
many cable
in
a
pinouts? have? $C?
-: 9ow A: !
many
bits
is
the
system
bus
for
a
3&P
processor?
: 9ow A: <"
many
bits
is
the
system
bus
for
a
3"P
processor?
is
the
6: What A: !5 't18: A: 3
What
.+F
maDimum does
length the
real
for
a time
parallel cloc0
cable? use?
