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Lesson details
Key learning points
- In this lesson, we will recap our previous learning on data representation within this unit to see how much we can remember. We will review number bases, binary maths and hexadecimal.
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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3 Questions
Q1.Convert this HEXADECIMAL number to DECIMAL: FF
Convert this HEXADECIMAL number to DECIMAL: FF
225
256
Q2.Convert this DECIMAL number to HEXADECIMAL: 128
Convert this DECIMAL number to HEXADECIMAL: 128
1
8
Q3.Convert this HEXADECIMAL number to BINARY: A3
Convert this HEXADECIMAL number to BINARY: A3
10110011
163
3 Questions
Q1.Perform the binary addition: 1111 + 100 + 1010
Perform the binary addition: 1111 + 100 + 1010
011101
11001
Q2.Perform the binary addition: 11111 + 100 + 10
Perform the binary addition: 11111 + 100 + 10
10101
11111
Q3.Perform the binary addition: 10 + 1010 + 100
Perform the binary addition: 10 + 1010 + 100
10100
1120