Free Printable Decimal to binary

1.

Convert 2 to binary.

a)

10

b)

11

c)

001

2.

Convert 9 to binary.

a)

1010

b)

1001

c)

11

3.

Convert 14 to binary.

a)

1110

b)

110

c)

11

4.

The binary number system uses___numbers

a)

one

b)

two

c)

three

d)

four

5.

What numbers are used in the binary number system?

a)

0-10

b)

0-15

c)

0-1

d)

0-5

6.

What number system do we use to count in the real world?

a)

Hexadecimal

b)

Decimal

c)

Octal

d)

Binary

7.

How many bits are there in a byte?

a)

2

b)

4

c)

5

d)

8

8.

Covert 8 into binary

a)

1000

b)

1100

c)

0101

d)

0001

9.

Convert 12 into binary

a)

1000

b)

1001

c)

0011

d)

1100

10.

How many numbers are there in decimal

a)

20

b)

10

c)

11

d)

15

11.

The binary for 6 is

a)

101

b)

110

c)

111

d)

11

12.

The binary for 15 is

a)

111

b)

10000

c)

1111

d)

1100

13.

What is a binary number?

a)

Two people walking in pairs

b)

A pair of numbers in a table

c)

A number system that only uses two digits: 1 and 0.

d)

Two canaries

14.

Which of these are the correct place values for binary?

a)

128,64,32,16,8,4,2,1

b)

128, 68,34,12,6,4,2,1

c)

1,0

d)

0,1

15.

Computers can only understand 0s and 1s.

a)

True

b)

False

16.

Convert 65 to binary

a)

01100001

b)

00100001

c)

01000001

d)

00100101

17.

Convert 37 to binary

a)

00100101

b)

00100011

c)

00100111

d)

01000101

18.

Convert 10 to binary.

a)

10

b)

1010

c)

1111

d)

1000

19.

What binary number comes after 110011 ?

a)

110100

b)

110111

c)

110101

d)

1100110

20.

How many numbers are there in decimal

a)

20

b)

10

c)

11

d)

15

21.

A computer understands only

a)

English

b)

French

c)

Binary

22.

1 in binary is ...... in decimal.

a)

1

b)

2

c)

4

d)

8

23.

Calculate the binary addition:
01
11

a)

101

b)

11

c)

111

d)

100

24.

Which represents the number 0 in binary?

a)

0

b)

1

c)

10

d)

100

25.

A group of 8 bits is known as a gigabyte.

a)

True

b)

False

26.

8 bytes = 1 bit

a)

TRUE

b)

FALSE

27.

What is a byte

a)

eight bits

b)

three bits

c)

one bit

d)

zero bit

28.

In binary addition 1 + 1 =

a)

11

b)

01

c)

10

d)

00

29.

Which is larger?

a)

Bit

b)

Byte

30.

The binary number system uses ___ numbers.

a)

one

b)

two

c)

three

d)

ten

Decimal to binary

Total questions: 30

Worksheet time: 3600secs

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