# Topic 1 - Data Representation (Hexadecimal Numbers)

## Quiz by Mifthah Ahmed

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20 questions

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- Q1What is the binary number 1001 1010 in hexadecimal?8B9AA9B830s
- Q2The hexadecimal EF can be converted to1101 10111110 11111111 01111111 000130s
- Q3How is the number FF represented in binary?1010 10100101 01011111 00001111 111130s
- Q4How is the hexadecimal 66 represented in binary?0001 10001000 00010110 01101001 000130s
- Q5How is the hexadecimal A7 represented in binary?1010 01110111 01110111 10101010 101030s
- Q6What is the base system for Hexadecimal?Base 10Base 8Base 2Base 1630s
- Q7What does the term base 16 refer to?The number of characters that the hex system uses, 0-9 and A - FThe number if items that can be represented using HexThe number of combinations that hex can holdThe number that hex counts up until, 0 - 1630s
- Q8One hex digit is equivalent to a __ bit binary sequence?248430s
- Q9Why is the hexadecimal system used?To complicate binary codesFor computers to read easierTo simplify binary codesSo humans can not de-crypt binary30s
- Q10What is a popular use of the hexadecimal system?Writing programsProgramming networkShorthand for wordsColour codes30s
- Q11Why is hexadecimal used to represent color codes?To make it harder to understandTo take up more spaceIt is easier to and shorter to store hex over binaryBecause colors do not have a binary value30s
- Q12What is the maximum number than can be represented by 1 hex character?1684230s
- Q13Convert 11111 to Hexadecimal1F1EE1F130s
- Q1410110011 to Hex =A3C4B32F30s
- Q150010101 to Hex =1411131530s