Computer Science - Binary Test

Last updated almost 4 years ago
20 questions
1

What does the word ‘bit’ mean in Computing?

1

Which of the following is a binary digit?

1

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

1

Which of the following is a byte?

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

What does the prefix ‘mega-’ stand for?

1

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

Draggable itemCorresponding Item
Mega
Billion
Kilo
Thousand
Tera
Million
Giga
Trillion
1

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

1

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

1

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