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S2 Computer Systems

Total questions: 33

Worksheet time: 24mins

Name
Class
Date
1.

Which of the following is computer hardware?

a)

Monitor

b)

Scanner

c)

Keyboard

d)

All of the above

2.

Which of the following is an input device?

a)

A computer monitor

b)

A mouse

c)

A CD ROM

d)

A printer

3.

Which of the following is an output device?

a)

A hard disk

b)

A CD ROM

c)

A computer monitor

d)

A keyboard

4.

Q4. John is trying to save his project data. Which of the following can he use as a storage device?

a)

A CD ROM

b)

A laser printer

c)

RAM (Random Access Memory)

d)

A scanner

5.

Q5. Which of the following is an input device?

a)

A speaker

b)

A speed camera

c)

A flash drive

d)

An inkjet printer

6.

Which of the following is an output device?

a)

A laser printer

b)

A scanner

c)

A joystick

d)

A lift button

7.

John wants to share 12 photos from his vacation with his friend, Mike, who uses a different PC. What device would be suitable for John to use?

a)

A memory stick

b)

A CD ROM

c)

A scanner

d)

A printer

8.

What is the purpose of the CPU?

a)

To create data

b)

To store data

c)

To process data

d)

To delete data

9.

RAM stands

a)

Random Access Memory

b)

Random Account Memory

c)

Random Allowance Memory

d)

Random Access Mirrors

10.

ROM stands

a)

Read on-access Memory

b)

Read Only Memory

c)

Read on Memory

d)

Read on and off Memory

11.

RAM is a fast temporary type of memory in which programs, applications and data are stored.

a)

True

b)

False

12.

What number system do computers use?

a)

Binary

b)

Decimal

c)

ASCII

d)

Denary

13.

The binary number 0000 1010, converted to denary (decimal) is

a)

2

b)

3

c)

10

d)

18

14.

The binary number 0001 0001, converted to denary (decimal) is:

a)

3

b)

17

c)

101

d)

10, 001

15.

Which of the following is true of RAM?

a)

All data/instructions are lost when the power is turned off

b)

Data/instructions are permanent

c)

It is connected externally to the computer system

d)

Contains the bootstrap

16.

Which of the following is true of ROM?

a)

All data/instructions are lost when the power is turned off

b)

Data/instructions can be edited when required

c)

It is connected externally to the computer system

d)

Contains the bootstrap

17.

Which of the following is found in RAM when the computer is being used?

a)

Software currently in use

b)

The bootstrap

c)

The motherboard

d)

A USB stick

18.

Choose the input device listed below

a)

Keyboard

b)

Speakers

c)

USB Stick

d)

Monitor

19.

Choose the output device listed below

a)

Microphone

b)

Speakers

c)

Hard Disk Drive

d)

Mouse

20.

Choose the storage device listed below

a)

Earphones

b)

Controller

c)

SD Card

d)

Mouse

21.

Convert 0010 0101 to denary

(a)  

22.

Convert 83 to binary

(a)  

23.

What does CPU stand for?

a)

Central Primary Unit

b)

Connected Portal Unit

c)

Control Panel Unit

d)

Central Processing Unit

24.

Which is an examples of storage?

a)

Hard Drive

b)

Mouse

c)

Monitor

d)

Binary

25.
How does a computer system work?
a)
Input - Process - Output
b)
Process- Output -Input
c)
Output - Input - Process
26.

What kind of 'base' system is binary known as?

a)

Base 12

b)

Base 8

c)

Base 2

d)

Base 10

27.
What is the denary number system?
a)
It counts the number of dens
b)
Our usual base 10 number system
c)
A special number system for computers
d)
Den Ary's number system
28.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
29.
What is the purpose of the CPU?
a)
To process all the data and instructions.
b)
To turn the computer on.
c)
To create PowerPoint presentations.
d)
To provide power to the computer.
30.
Which of the following CPU's will have a better better performance:
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU 
a)
A
b)
B
31.
How does clock speed affect computer performance?
a)
The higher the clock speed the slower the computer will run.
b)
It improves the amount you can store on the computer.
c)
The higher the clock speed the better the performance.
d)
It will make loading program slower
32.
Clock speed is:
a)
Number of times the computer is used
b)
Number of instructions a computer can handle per second
c)
Time on a computer
33.
Clock speed is measures in
a)
bytes
b)
bits
c)
time
d)
hertz