multiple choice questions of Environmental courseFull description
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TECHNO NJR INSTITUTE OF TECHNOLOGY DEPARTMENT OF ELECTRONICS & COMMUNICATION PHYSICS PRACTICAL EXAM (JULY 2016) Set A
Ma Ma!"#$ 20
Multiple choice questions 1. The frst frst dis disk k drive drive was was called called:: a. Floppy Disk. b. RAID RAID c. RAMAC. RAMAC. d. Piccolo. Piccolo. . !hich o"e o"e a#o"$ the# the# is the s#allest s#allest re#ovab re#ovable le %ash #e#ory #e#ory card& card& la'"ched la'"ched by (o"y: a. Me#ory (tick (tick Pro. Pro. b. Me#ory (tick D'o c. Me#ory (tick Micro. Micro. d. Me#ory (tick)Pro *+. ,. !hich (D (D Card will will yo' select select -or -'ll *D 1/0/p 1/0/p video video recordi recordi"$: "$: a. Class Class b. Class Class 2 c. Class Class 3 d. Class Class 1/ 2. !ho develops develops a"d #ai"tai"s #ai"tai"s the the sec're di$ital di$ital #e#ory #e#ory card sta"dar sta"dards: ds: a. Toshiba. oshiba. b. (a"disk (a"disk c. The (D Associatio" Associatio".. d. (o"y. (o"y. 4. !hat !hat si5es si5es are are (D card card availab available le i" : a. (ta"dard (ta"dard (D 6 Micro (D. b. (ta"dard& (ta"dard& Mi"i 6 Micro Micro (D c. Micro(D. Micro(D. d. 7o"e o- the# 3. The ter#s ter#s (D& (D*C& (D*C& a"d (D8C (D8C re-er to what what (D card card -eat're: -eat're: a. (i5e. (i5e. b. (peed (peed c. Capacit Capacity y d. Class Class 9. The #edia ide"tif ide"tifer er 6 M; 'sed to to protect protect data by CPRM CPRM are are saved to : a. FAT fle syste# syste# b. Protected Protected Area c. 7TF(. 7TF(. d. 7o"e o- the# 0. !hat tech"olo tech"olo$y $y is behi"d behi"d the sec're sec're part part o- (ec're (ec're di$ital di$ital cards: cards: a. DRM. b. CPRM c. A write)prot write)protectio" ectio" lock o" the side d. 7o"e othe# <. !hich oo- the -ollowi"$ -ollowi"$ is the s#alles s#allestt si5e (D card card with the the lar$est lar$est capacity capacity : a. Micro Micro (D*C b. Mi"i(D*C Mi"i(D*C c. Micro(D8 Micro(D8C. C. d. 7o"e o- the# 1/.!hat is the #a=i#'# speed associated with speed class : a. 1.4 M; per seco"d seco"d b. 4 M; per seco"d seco"d c. ,1M; per seco"d seco"d d. 7o"e. 11.!hich o- the -ollowi"$ is a valid si5e o- ((D: a. 0 > b. 4 ? @ c. .4> .4>.. d. ,.4> ,.4>.. 1.The pri#ary #e#ory co#po"e"t i" a" ((D is: a. DRAM DRAM volatile volatile #e#ory. b. 7A7D %ash "o")volat "o")volatile ile #e#ory c. RAM RAM based. d. 7o"e. 1,.The co#bi"atio" o- ((D a"d *DD devices i"stalled i" the sa#e co#p'ter is called: a. ((*Ds. ((*Ds. b. DD*( DD*( c. c. ((D. ((D. d. Flash Flash ((D. ((D. 12.I" a *DD & bi"ary data are stored i": a. Record Recordi"$ i"$ Medi'#. Medi'#. b. -erro#a$" -erro#a$"etic etic layer c. A"ti -erro#a$" -erro#a$"etic etic layer. d. +MR. 14.!riti"$ ecie"cy o- write head is proportio"al to: a. Field i"te"sity i"te"sity i" $ap. b. "o o- t'r"s t'r"s c. C'rre"t C'rre"t A#plit'de. A#plit'de. d. 7o"e. 13.The hi$h +MR ratio allows the read se"sor to have: a. *i$h si$"al si$"al to "oise ratio. ratio. b. Bow si$"al to "oise ratio c. hi$h speed. speed. d. "o"e. 19.*AMR recordi"$ tech"olo$y i" *DDs sta"ds -or: - or: a.*eat assisted #a$"etic recordi"$ b.*i$h a"ity #a$"etic rec c*i$h acc'racy #a$ rec d. "o"e. 10.The Co"ce"tric circles o" the platter o- hard disk are k"ow" as: a. Tracks. b. Circles Circles c (ectors. (ectors. d. 7o"e.
TECHNO NJR INSTITUTE OF TECHNOLOGY DEPARTMENT OF ELECTRONICS & COMMUNICATION PHYSICS PRACTICAL EXAM (JULY 2016) Set A
Ma Ma!"#$ 20
1<.The #i"i#'# a#o'"t o- data tra"s-erred betwee" the co#p'ter a"d the drive is: a. 1 sector. b. 1 track c. 1 byte. d. 1 bit. /.The ti#e re'ired to rotate the disk to a positio" where the start o- tar$et data is '"der read write head is called a. Rotatio"al Bate"cy. b. Tra"s-er ti#e c. (eek ti#e. d. 7o"e.
