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Worksheets

Bin O - Y8 (Remember to answer correctly, not fast)

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What are the two number symbols in the binary number system

a)

0 & 1

b)

0 & 27

c)

0 & 16

d)

0 & 8

2.

What is the binary number system known as

a)

Base 0

b)

Base 2

c)

Base 30

d)

All about Da Base

3.

The base 10 denary number system is made up of what symbols

a)

0-9

b)

6-8

c)

1-100

d)

A-X

4.

We use Binary to represent switches in computers with:

a)

0 = off 1 = on

b)

0 = off 0 = on

c)

1 = off 1 = on

d)

2 = off 2 = on

5.

The word Bits is a short way of saying

a)

Binary Digits

b)

Biting

c)

Nibble

d)

Beat It

6.

What is 1001 in denary?

a)

2

b)

3

c)

5

d)

9

7.

What is 0111 in denary?

a)

7

b)

10

c)

120

d)

15

8.

What is 0000 in denary?

a)

0

b)

1

c)

2

d)

3

9.

What is 7 in binary?

a)

1

b)

11

c)

111

d)

1111

10.

What is 13 in binary

a)

1000

b)

1001

c)

1101

d)

1111

11.

In Binary addition what does 0 + 0 =

a)

0

b)

2

c)

3

d)

4

12.

In a computer, the smallest amount of information is called a

a)

Bit

b)

Terrabyte

c)

Megabyte

d)

Gigabyte

13.

What do we usually measure Game console storage like XBOX1 or PS4 in?

a)

Bits/Bytes

b)

Bytes/KiloBytes

c)

Nothing

d)

Terabytes/Gigabytes

14.

How many Kilobytes are in 1 Megabyte?

a)

1024

b)

-50

c)

0

d)

2048

15.

How many bits (binary digits) are in 1 byte?

a)

0

b)

8

c)

-99

d)

2560

16.

What is the name to represent binary digits as letters on a computer

a)

ASCII

b)

Image in Digital

c)

Music

d)

Sound

17.

When computers add binary and the answer is too much to handle, this is known as

a)

Binary Overflow

b)

Binary Logic Gates

c)

Binary Eclipse

d)

Binary TV

18.

We use hexadecimal to represent binary because

a)

It is easier for humans to read

b)

Can be a danger

c)

Takes Long time

d)

It is stylish

19.

The smallest coloured dot in a digital image is called

a)

Pixel

b)

Grid

c)

Bitmap

d)

Bit Depth

20.

What is the image size in bits of this 8 x 8 image?

a)

64

b)

3

c)

4

d)

10

21.

1 bit per pixel = 2 colours

2 bits per pixel = 4 colours

3 bits per pixel = 8 colours

4 bits per pixel = ?

a)

16 colours

b)

64 colours

c)

128 colours

d)

256 colours

22.

How many bits are black pixels in this image

a)

2

b)

3

c)

8

d)

190

23.

Is the space button part of ASCII code

a)

Yes

b)

No

24.

How many bytes would the the word HELLO be

a)

0

b)

2.5

c)

3

d)

5

25.

How many bits would the the word HELLO be

a)

40

b)

2000

c)

3

d)

0

26.

In ASCII, The letter ‘a’ in binary is 0110 0001 (which is 97 in denary). What is 'c' in denary?

a)

99

b)

101023

c)

636

d)

0

27.

Hexadecimal number system has what symbols in it

a)

0-9, A-F

b)

2-3

c)

0-100

d)

Q-Z

28.

What base is the hexadecimal number system?

a)

Base 0

b)

Base 1

c)

Base 2

d)

Base 16

29.

15 in Denary is what symbol in hexadecimal?

a)

9

b)

12

c)

0

d)

F

30.

Each Hexadecimal symbol is always represented by how many binary digits

a)

0

b)

4

c)

400

d)

1000