Free Printable Year 9 CS

1.

Which type of device is a monitor:

a)

Output Device

b)

Storage Device

c)

Input Device

2.

You can use this to input printed documents to a computer ?

a)

Trackerball

b)

Scanner

c)

Keyboard

d)

Mouse

3.

Headphone

a)

Input

b)

Output

c)

Storage

4.

Is this device Input or Output?

Printer

a)

Input

b)

Output

5.

Is this device Input or Output?
Mouse

a)

Input

b)

Output

6.

Choose the output devices.

a)

monitor, printer, mouse

b)

monitor, printer, keyboard

c)

monitor, printer, speakers

d)

mouse, keyboard, smartboard

7.

a)

input

b)

output

8.

What is this?

a)

Harddrive

b)

Tower

c)

Motherboard

d)

DVD

9.

Identify this computer part.

a)

CPU

b)

hard disk drive

c)

RAM module

d)

motherboard

10.

A computer uses ______________ for storing data and instructions.

a)

Memory

b)

Keyboard

c)

Printer

d)

Speaker

11.

A computer can understand only the ___________ language

a)

Java

b)

C++

c)

Binary

d)

Octal

12.

Which of the following is not the characteristics of RAM?

a)

RAM is read/write memory

b)

RAM holds data and instruction on which we are currently working

c)

RAM is Non-Volatile i.e, Permanent

d)

The amount of RAM in computer affects the number of programs a computer can run at the same time.

13.

Choose all the secondary storage devices from the list below

a)

b)

c)

d)

e)

14.

What is the smallest measurement used to measure a computer memory ?

a)

Megabyte

b)

Terabyte

c)

Yottabyte

d)

Bits

15.

What is the full form of RAM

a)

Read only memory

b)

Random Access Memory

c)

Radom Access memory

d)

non of these

16.

What is the full form of ROM

a)

Read only Memory

b)

Read or write memory

c)

non of these

17.

Ram is a Temporary Memory

a)

True

b)

False

18.

CONVERT the binary number

00 00 11 00

a)

1100

b)

12

c)

16

d)

8

19.

1101 to decimal

a)

15

b)

11

c)

12

d)

13

20.

1011 to decimal

a)

15

b)

11

c)

12

d)

13

21.

1100 to decimal

a)

15

b)

11

c)

12

d)

13

22.

10111 to decimal

a)

23

b)

27

c)

30

d)

31

23.

28 to binary

a)

11100

b)

11001

c)

10011

d)

00111

24.

64 to binary

a)

1000 0000

b)

0100 0000

c)

0010 0000

d)

0001 0000

25.

16 to binary

a)

1000 0000

b)

0100 0000

c)

0010 0000

d)

0001 0000

26.

What are the only two numbers you can use in binary?

a)

0 and 1

b)

1 and 2

c)

1, 2, 3, 4, 5, 6, 7, 8, 9, 10

d)

1, 2, 4, 8, 16

27.

What is 1111 converted into denary?

a)

15

b)

16

28.

What is B in denary

a)

10

b)

11

c)

12

d)

13

29.

What is E in denary

a)

10

b)

12

c)

14

d)

16

30.

What is 0111 in hex

a)

E

b)

A

c)

7

d)

3

31.

What is A in binary

a)

1111

b)

0101

c)

1010

d)

0110

32.

What is 1011 in hex

a)

B

b)

C

c)

D

d)

E

33.

What is D in binary

a)

1111

b)

1101

c)

1011

d)

0111

34.

True or False:

AND gates output a 1 if both inputs are 0

a)

True

b)

False

35.

True or False:

NOT gates can only have one input

a)

True

b)

False

36.

What type of logic gate is this table showing?

a)

AND

b)

OR

c)

NOT

37.

Which logic gate is represented by this truth table?

a)

b)

c)

d)

38.

Which logic gate is this?

a)

AND

b)

OR

c)

XOR

d)

NOT

39.

Which logic gate is this?

a)

OR

b)

NOR

c)

XOR

d)

NXOR

40.

Which logic gate is this?

a)

NAND

b)

NOR

c)

XOR

d)

NXOR

41.

Which logic gate is this?

a)

NOR

b)

XOR

c)

NXOR

d)

NAND

42.

Which truth table is this?

a)

OR

b)

NOR

c)

XOR

d)

AND

43.

Which truth table is this?

a)

NAND

b)

AND

c)

OR

d)

NOR

44.

What is the output Z of this logic circuit if A = 1 and B = 1

a)

0

b)

1

45.

What is value of Y if A = 1, B = 1, C = 0

a)

1

b)

0

46.

in Binary Addition Rules - What does 1 + 1 equal?

a)

0 carry the 1

b)

2

c)

1 carry the 1

d)

0

47.

in Binary Addition Rules - What does 1 + 0 equal?

a)

1

b)

0

c)

0 carry the 1

d)

1 carry the 1

48.

0001 + 0001 = ?

a)

0010

b)

0002

c)

0011

d)

0100

49.

0001 + 0011 = ?

a)

0100

b)

0111

c)

0012

50.

0001 + 0011 = ?

a)

0100

b)

0111

c)

0012

Year 9 CS

Total questions: 50

Worksheet time: 56mins

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