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Worksheets

Input , Output and Binary

Total questions: 47

Worksheet time: 24mins

Name
Class
Date
1.

A microphone is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

2.

A mouse is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

3.

A CD is a _______ device

a)

input

b)

output

c)

storage

4.

A USB memory stick is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

5.

A monitor is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

6.

A touch screen is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

7.

Headphones are a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

8.

A joystick is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

9.

A keyboard is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

10.

A speaker is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

11.

A printer is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

12.

A Blu-ray disc is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

13.

A fingerprint scanner is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

14.

A hard disk is a _______ device

a)

input

b)

output

c)

storage

d)

both input and output

15.

An interactive whiteboard is _______ device

a)

input

b)

output

c)

storage

d)

both input and output

16.

An sensor e.g. heat sensor, touch sensor is _______ device

a)

input

b)

output

c)

storage

d)

both input and output

17.

Which of these is an output device?

a)

barcode reader

b)

keyboard

c)

headphones

18.

What output devices are on a washing machine?

a)

buttons and sensors

b)

motor and buzzer

19.

What input device is on a fitbit watch?

a)

sensor to measure number of steps

b)

the screen

20.

This is a large circuit board that contains many of the important internal components of a computer.

a)

CPU

b)

Fan and Heat Sink

c)

Motherboard

d)

Hard Drive

21.

This is called the "brains of the computer" because it receives and executes instructions.

a)

Motherboard

b)

RAM

c)

CPU

d)

Power Supply

22.

This part supplies circuits with the power needed to run. In laptops this can also take the form of a built in battery.

a)

Power Supply

b)

RAM

c)

Fan and Heat Sink

d)

Hard Drive

23.

The long-term storage component of a computer where software can be installed.

a)

RAM

b)

CPU

c)

Hard Drive

d)

Expansion Slots

24.

The short-term memory of a computer that stores temporary data while the computer is being used.

a)

Hard Drive

b)

RAM

c)

CPU

d)

Motherboard

25.

This circulates air and draws heat away from the CPU to cool the entire computer system.

a)

Fan and Heat Sink

b)

Motherboard

c)

Power Supply

d)

RAM

26.

These are on the motherboard to connect upgrades, such as sound cards, video cards, or network cards.

a)

Expansion Slots

b)

Fan and Heat Sink

c)

RAM

d)

Hard Drive

27.

RAM stands for

a)

responsive-action memory

b)

returned-allowable memory

c)

retrieved-available memory

d)

random-access memory

28.

CPU stands for

a)

central processing unit

b)

computer portal unit

c)

central portal unit

d)

computer processing unit

29.

What component is this?

a)

Motherboard

b)

RAM

c)

Processor

d)

CPU

30.

What component is this?

a)

Floppy Drive

b)

Hard Drive

c)

Flash Drive

d)

CD Drive

31.

What component is this?

a)

Monitor

b)

Computer

c)

Computer Case

d)

The Hard Drive

32.

The purpose of the CPU is to process data

a)

True

b)

False

33.

The role of the hard drive is to store the current task

a)

True

b)

False

34.

What component is this?

a)

RAM

b)

ROM

c)

Processor

d)

Power Supply

35.
What does RAM stand for?
a)
Rational Access Modem
b)
Random Accessory Memory
c)
Random Access Memory
d)
Remember Access Memories
36.

Which memory holds instructions temporarily and is erased when the power goes off?

a)

READ ONLY MEMORY

b)

RIGHT ANGLE MEMORY

c)

BIOS MEMORY

d)

RANDOM ACCESS MEMORY

37.

What is the main circuit board of a computer called?

a)

Central Processing Unit

b)

Power Supply

c)

Motherboard

d)

Random Access Memory

38.

What computer part provides electricity to the computer?

a)

Power Board

b)

Electricity Supply

c)

Power Supply

d)

Electricity Board

39.
What does a computer allow you to do?
a)
Type documents and send email
b)
Browse the Internet
c)
Store and retrieve data
d)
All of the above
40.

Which is the correct denary number for 1011

a)

10

b)

5

c)

8

d)

11

41.

What is the correct denary number for 00100101

a)

36

b)

37

c)

48

d)

27

42.

Convert the following binary to a denary number: 00010110

(a)  

43.

Convert the following binary to a denary number: 10010101

(a)  

44.

Which is the correct binary number to represent 46?

a)

00101110

b)

00011111

c)

01000100

d)

00110000

45.

Which is the correct binary code to represent the denary number 186?

a)

10010100

b)

01111100

c)

10111010

d)

11000010

46.

Convert the following denary number to binary (8 bits): 28

(a)  

47.

Convert the following denary number to binary (8 bits): 254

(a)