Number systems: Binary - the language of computers

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Number systems: Binary - the language of computers

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Lesson details

Key learning points

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

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5 Questions

Q1.

Write 101(base 2) in base 10.

Correct answer: 5

Q2.

Write 111(base 2) in base 10.

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

Lesson appears in

UnitMaths / Different number systems

Maths

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