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KS3 Digital data, Binary/Denary Conversion, Binary Addition

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

Convert 1101 to decimal.

a)

15

b)

11

c)

13

d)

12

2.

Convert 10110 to decimal.

a)

12

b)

22

c)

26

d)

122

3.

Convert 100011 to decimal.

a)

135

b)

45

c)

53

d)

35

4.

What is binary?

a)

The way a computer works

b)

A sequence of 1's and 0's

c)

The day to day counting number system

d)

None of the above

5.

The decimal number system is which base?

a)

Base 2

b)

Base 16

c)

Base 10

d)

Base 9

6.

How many bytes make a kilobyte?

a)

100

b)

1024

c)

1 million

d)

256

7.

Convert 194 to binary.

a)

111000110

b)

11000010

c)

10001101

d)

11000111

8.

Convert 76 to binary.

a)

1001110

b)

1100011

c)

1001100

d)

1011100

9.

Add 100101 + 100010.

a)

01001111

b)

00110011

c)

01000111

d)

01100011

10.

Add 110111 + 111010.

a)

01110101

b)

01100011

c)

01110011

d)

01110001