Year 7

Number systems: Binary - the language of computers

Year 7

Number systems: Binary - the language of computers

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Lesson details

Key learning points

  1. In this lesson, we will be exploring the binary code and its use in computing.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
Write 101(base 2) in base 10.
2
3
4
Correct answer: 5
Q2.
Write 111(base 2) in base 10.
3
4
6
Correct answer: 7
Q3.
What is 101(base 2) x 101(base 2) in base 2?
10201 (base 2)
110001 (base 2)
Correct answer: 11001 (base 2)
Q4.
write 23(base 10) in base 2.
10101
Correct answer: 10111
11000
Q5.
Why is base 2 called binary?
because it has 3 symbols
Correct answer: Because it only has 2 symbols
Because it use one symbol