Binary Shift

Multiple Choice

What is binary?

• A system using base-10

• A system using base-2

• A system using base-8

• A system using base-16

Multiple Choice

What is denary?

• A system using base-2

• A system using base-16

• A system using base-8

• A system using base-10

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Convert the DENARY number 31 into BINARY

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Convert the BINARY number 00001111 into DENARY

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Convert the BINARY number 10001100 into DENARY

Multiple Choice

What is the result of 1 + 1 in binary?

• 0

• 1

• 0 carry 1

• 2

Multiple Choice

Which of these is NOT a valid binary addition result?

• 0 + 0 = 0

• 0 + 1 = 1

• 1 + 1 = 1 0

• 1 + 0 = 2

Multiple Choice

What happens when you add 1 + 1 + 1?

• 0 carry 1

• 1 carry 1

• 0 carry 0

• 2 carry 1

Multiple Choice

What is the sum of 10101010 + 01010101 in binary?

• 11111111

• 00000000

• 10111010

• 10000001

Multiple Choice

When adding binary digits, where is the carry placed?

• To the right of the column

• Below the result

• To the left of the column

• It is ignored

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1. 11010011 + 11010100

Multiple Choice

Convert the hexadecimal number F to denary

• 10
• 13
• 14
• 15

Multiple Choice

What base is Hexadecimal?

• 2

• 8

• 10

• 16

Multiple Choice

What digit comes after 9 in Hexadecimal?

• 10

• A

• 11

• F

Multiple Choice

Why is hexadecimal preferred over binary for humans?

• Takes up more space

• Easier to read

• Slower to convert

• Only used in maths

Multiple Choice

Which of these is NOT a common use of hexadecimal?

• Web colours

• Memory addresses

• MAC addresses

• Word documents

Multiple Choice

Which statement is true?

• Each nibble = 8 bits

• Each nibble = 4 bits

• Each hex digit = 8 bits

• Hex has 8 unique digits

Multiple Choice

What is the denary value of hex 2A?

• 42

• 32

• 26

• 52

Multiple Choice

Which of these is hex digit A equal to in decimal?

• 9

• 10

• 11

• 15

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What effect does a left shift have on a binary number?

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What effect does a right shift have on a binary number?

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Perform a left shift of 1 on 00000001

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Perform a left shift of 2 on 00001111

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Perform a left shift of 3 on 00011011

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Perform a right shift of 1 on 00001111

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Perform a right shift of 2 on 11110111

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Perform a right shift of 2 on 01110000