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Descripción: Mantenimiento de PC
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1
State the differences between a) mainframes and microcomputers b) Analog and digital computers
2
State one advantage and one disadvantage of RAM.
3
Define PROM,EPROM PROM,EPROM and EEPROM
4
What are the two categories of secondary storage devices? Give two examples.
5
Define the term “output devices” and list two types.
6
Give two examples of impact and non-impact printers.
7
Define the terms a) microfiche b) a laser printer c) optical disk
8
State two advantages and two disadvantages of normal mail over electronic mail.
9
Mainframe is just as powerful as a super computer T/F
10
Give two uses of a minicomputer?
11
What is the difference between data and information?
12
A joystick is a pointing device T/F
13
Give one advantage and one disadvantage of ROM.
14
CD-ROM is an optical disk storage T/F
15
Give one advantage of magnetic tape storage.
16
Why do educators choose to use CD-ROMs as their storage media over floppy disks?
17
Hard copy displays on screen T/F
18
Give one advantage of an impact printer.
19
Give one advantage and one disadvantage of microfiche
20
Give one example of a voice output device.
21
Give an example of a hard copy.
22
A………………..is A………………..is an output device that draws graphs and charts.
23
The Computer Science teacher in a secondary school is attempting to convince the Chemistry teacher to use the Computer Aided Learning (CAL) software in the teaching of Chemistry. i) State two benifits that the Computer Science teacher could cite to convince the Chemistry teacher.
ii) State two obstacles that would prevent the the Chemistry Chemistry teacher from
using the computer in teaching. 24
What is a modem? Give one advantage of it.
25
A network is……………………………………………..
26
Give one advantage
27
What are the main functions of an Operating System?
28
Define Backup and its purpose.
29
State Two Job functions of the following: i) Database Administrator ii) System
and one disadvantage of networks.
Analyst 30
CAM and CAD Whats the difference.
31
Draw a labelled diagram of the main components of the computer system, indicating the direction in which data flow.
32
Identify four measures to secure data.
33
List four ways in which medical personnel may use Information Technology in their Jobs.