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Binary Code Test -- Part 2

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
2.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
3.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
4.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
5.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
6.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
7.
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
8.
What is 12 in binary?
HINT: It has an 8 and a 4 in it!
a)
12
b)
11
c)
1100
d)
1011
9.
If 1 and 0 mean on and off. Is the number 1 on or off?
a)
ON
b)
OFF
10.

What type of numbering system is ordinarily used by people?

a)

Decimal

b)

Binary

c)

Denary

11.

What is a binary digit referred to as?

a)

Bit

b)

Bits

c)

Byte

d)

Bytes

12.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
13.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
14.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
15.
Computers can only understand 0s and 1s.
a)
True
b)
False
16.
Binary is made up of which numbers 
a)
3 and 4.
b)
2 and 3.
c)
1 and 2.
d)
0 and 1.
17.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
18.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
19.
How would you write the number 4 in binary code?
a)
0100
b)
0000
c)
0001
d)
0010
20.
What is a pixel?
a)
Tiny squares of colour on a screen.
b)
A fairy like creature thatlives in a forest.
c)
A whole picture.
d)
A binary code.
21.
The colour of a pixel can be stored as a _______ number
a)
Unicode
b)
Hex
c)
Binary
d)
ASCII
22.
Binary uses 1’s & 0’s to represent data
a)
True
b)
False
23.

A way of representing information using only two options is known as (a)  

24.

A (a)   is the single unit of information in a computer, typically represented as a 0 or 1.

25.

(a)   image files are able to store large images by breaking them down into smaller pieces.

26.

A (a)   is the fundamental unit of a digital image, typically a tiny square or dot that contains a single point of color of a larger image.

27.

A (a)   is the most common fundamental unit of digital data .

28.

An (a)   is a list of steps to finish a task.

29.

A (a)   is an error in a program that prevents the program from running as expected.

30.

(a)   is quantities, characters, or symbols that are the inputs and outputs of computer programs.