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Computer Science - Binary Test

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Last updated over 4 years ago
20 questions
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Question 1
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Question 4
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Question 5
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Question 7
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Question 9
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Question 10
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Question 11
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Question 15
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Question 16
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Question 17
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Question 18
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Question 19
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Question 20
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What does the word ‘bit’ mean in Computing?
Very small piece
Binary digit
A group of 8 0s and 1s
A sequence of 0s and 1s
Which of the following is a binary digit?
2
bit
0
01
Which of the following would you characterise as ‘binary’?
(You can select more than one option.)
A switch
An oven knob
A dice
A coin
Which of the following is a byte?
8
bit bit bit bit bit bit bit bit
01100101
1
How many different sequences of 3 binary digits can there be?
3
6
8
9
infinite
How many different sequences of 5 binary digits can there be?
5
10
25
32
infinite
What is the size or length of this sequence of binary digits: 101?
2 bits
3 bits
5
101
Here is a sequence of binary digits:
011000101110010100110100010001110101001110001010101
What could this sequence represent? What could it mean?
A piece of text
A number
A set of instructions
Musical notes
Any piece of information
Which of the following binary numbers is equivalent to decimal 4?
10
100
1010
1111
Which of the following binary numbers is equivalent to decimal 9?
101
1001
1010
10000
Which of the following binary numbers is equivalent to decimal 27?
11001
10111
11011
11111
Which of the following decimal numbers is equivalent to binary 110?
2
6
30
110
Which of the following decimal numbers is equivalent to binary 10011?
19
22
23
10011
Which of the following decimal numbers is equivalent to binary 11100?
14
28
70
320
Which prefix would you use to describe a quantity that is in the billions?
Kilo
Mega
Giga
Tera
What does the prefix ‘mega-’ stand for?
Thousand
Million
Billion
Trillion
Link the prefixes in the left-hand column to their meaning:
Tera
Billion
Mega
Thousand
Giga
Million
Kilo
Trillion
Select the sizes that are equivalent to 8,000 bits:
(You can select more than one option.)
1000 bytes
8000 bytes
64000 bytes
8 kilobits
8 megabits
Select the sizes that are equivalent to 500MB (megabytes):
(You can select more than one option.)
500Mb (megabits)
0.5kB (kilobytes)
500,000kB (kilobytes)
0.5GB (gigabytes)
5000GB (gigabytes)
In the left-hand column, there is a list of components and equipment used in digital devices for storing, processing, and transmitting information. Link them to the physical phenomena that they mainly rely upon to function:
Optical drives
E
Optical fibre cables
Magnetism
Network cables
Light
Wireless transmitters and receivers
Light
Hard drives
Electricity
Integrated circuits (used in processors, graphics cards, memory chips, etc.)
Electromagnetic waves