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Computer Science - Binary Test

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Last updated about 4 years ago
20 questions
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Question 1
1.

What does the word ‘bit’ mean in Computing?

Question 2
2.

Which of the following is a binary digit?

Question 3
3.

Which of the following would you characterise as ‘binary’?
(You can select more than one option.)

Question 4
4.

Which of the following is a byte?

Question 5
5.

How many different sequences of 3 binary digits can there be?

Question 6
6.

How many different sequences of 5 binary digits can there be?

Question 7
7.

What is the size or length of this sequence of binary digits: 101?

Question 8
8.

Here is a sequence of binary digits:
011000101110010100110100010001110101001110001010101
What could this sequence represent? What could it mean?

Question 9
9.

Which of the following binary numbers is equivalent to decimal 4?

Question 10
10.

Which of the following binary numbers is equivalent to decimal 9?

Question 11
11.

Which of the following binary numbers is equivalent to decimal 27?

Question 12
12.

Which of the following decimal numbers is equivalent to binary 110?

Question 13
13.

Which of the following decimal numbers is equivalent to binary 10011?

Question 14
14.

Which of the following decimal numbers is equivalent to binary 11100?

Question 15
15.

Which prefix would you use to describe a quantity that is in the billions?

Question 16
16.

What does the prefix ‘mega-’ stand for?

Question 17
17.

Link the prefixes in the left-hand column to their meaning:

Draggable itemarrow_right_altCorresponding Item
Kilo
arrow_right_alt
Billion
Tera
arrow_right_alt
Thousand
Mega
arrow_right_alt
Million
Giga
arrow_right_alt
Trillion
Question 18
18.

Select the sizes that are equivalent to 8,000 bits:
(You can select more than one option.)

Question 19
19.

Select the sizes that are equivalent to 500MB (megabytes):
(You can select more than one option.)

Question 20
20.

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:

Draggable itemarrow_right_altCorresponding Item
Wireless transmitters and receivers
arrow_right_alt
E
Optical drives
arrow_right_alt
Magnetism
Integrated circuits (used in processors, graphics cards, memory chips, etc.)
arrow_right_alt
Light
Hard drives
arrow_right_alt
Light
Network cables
arrow_right_alt
Electricity
Optical fibre cables
arrow_right_alt
Electromagnetic waves