rq 3 hardware

8122019 RQ 3 Hardware

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copy Cambridge University Press 2011

Hardware3

Revision questions 3 Hardware 1 Cambridge IGCSE Computer Studies

1 Te diagram shows a personal computer system Name the components and classiy them as

input output storage communications or processor

D C

E

A

B

2 Name the data input type and the associated reader used to input the ollowing characters and

patterns into a computer

a

b

c

0 00 0 0 0 0

1 11 1 1 1 1

2 22 2 2 2

33 3 3

44 4 4

55

0

1

2

3

4

5 5 5

centre group student

3 Indicate whether each o the ollowing devices is an input device or an output device

a mouse

b monitor

c plotter

d speaker

e keyboard

f scanner



copy Cambridge University Press 2011 Revision questions 3 Hardware 2 Cambridge IGCSE Computer Studies

4 Give an example o the use o each o the ollowing

a barcode reader

b magnetic ink character recognition (MICR) reader

c optical mark reader (OMR)

5 Give two ways in which words can be input to a computer without using a keyboard

6 Name three pointing devices and the type o computer system on which they are most

ofen used

7 Describe the input devices used at an AM machine

8 Name three different types o sensor used to input data in a control application

9 De1047297ne the term backing storage and explain why computers need backing storage

10 a Name a storage device used by large organisations with large volumes o data where speed oaccess is not important

b Describe two applications where it could be used

c What kind o data access does it provide

11 Describe the advantages and disadvantages o the different orms o optical storage media

12 What is meant by the term lsquobackuprsquo Why is it needed

13 ROM and RAM are two types o memory ound in computers

a What do the letters ROM stand or

b What do the letters RAM stand or

c What is the main difference between RAM and ROM

d Complete the ollowing statements with lsquoRAMrsquo lsquoROMrsquo lsquobacking storagersquo

i stores a copy o your work when the computer is switched off

ii stores application programs and data while the computer is running

iii stores programs that must be available as soon as the computer is switched on

14 Complete the ollowing sentences by using the correct words rom this list eight gigabytes

memory RAM

a A byte is a unit o computer helliphelliphelliphelliphellip and it consists o helliphelliphelliphelliphellip bits

b A school computer may have two helliphelliphelliphelliphelliphelliphellip o helliphelliphelliphelliphelliphelliphellip

15 Indicate which o the ollowing statements are true or alse

a ROM stands or Read-Only Memory

b Data can be saved in ROM

c Te internal memory o a computer can store sofware and data

d Data that changes is normally held in ROM

e Data on magnetic tape has to be read serially

f An airline booking system would probably use hard disk drive as backing storage

g A CD-ROM is an optical disk



copy Cambridge University Press 2011 Revision questions 3 Hardware 2 Cambridge IGCSE Computer Studies

4 Give an example o the use o each o the ollowing

a barcode reader

b magnetic ink character recognition (MICR) reader

c optical mark reader (OMR)

5 Give two ways in which words can be input to a computer without using a keyboard

6 Name three pointing devices and the type o computer system on which they are most

ofen used

7 Describe the input devices used at an AM machine

8 Name three different types o sensor used to input data in a control application

9 De1047297ne the term backing storage and explain why computers need backing storage

10 a Name a storage device used by large organisations with large volumes o data where speed oaccess is not important

b Describe two applications where it could be used

c What kind o data access does it provide

11 Describe the advantages and disadvantages o the different orms o optical storage media

12 What is meant by the term lsquobackuprsquo Why is it needed

13 ROM and RAM are two types o memory ound in computers

a What do the letters ROM stand or

b What do the letters RAM stand or

c What is the main difference between RAM and ROM

d Complete the ollowing statements with lsquoRAMrsquo lsquoROMrsquo lsquobacking storagersquo

i stores a copy o your work when the computer is switched off

ii stores application programs and data while the computer is running

iii stores programs that must be available as soon as the computer is switched on

14 Complete the ollowing sentences by using the correct words rom this list eight gigabytes

memory RAM

a A byte is a unit o computer helliphelliphelliphelliphellip and it consists o helliphelliphelliphelliphellip bits

b A school computer may have two helliphelliphelliphelliphelliphelliphellip o helliphelliphelliphelliphelliphelliphellip

15 Indicate which o the ollowing statements are true or alse

a ROM stands or Read-Only Memory

b Data can be saved in ROM

c Te internal memory o a computer can store sofware and data

d Data that changes is normally held in ROM

e Data on magnetic tape has to be read serially

f An airline booking system would probably use hard disk drive as backing storage

g A CD-ROM is an optical disk

rq 3 hardware

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