Year 9 Michaelmas Revision

Convert denary 35 to binary

• 00110101

• 100011

• 100010

• 11100

Convert binary 11001 to denary

• 19

• 25

• 49

• 48

Convert hexadecimal 0xA5 to binary

• 10100101

• 10110101

• 01011010

• 11000011

Convert binary 11001001 to hexadecimal

• 0xB9

• 0xA9

• 0xC9

• 0xCA

Multiply the binary number 101 by 4

• 1010000

• 10100

• 1010

• 101100

Divide the binary number 11010 by 2

• 110100

• 11010

• 1101

• 110

How much green is there in the HTML colour #AFB40A

• AF

• B4

• 0A

• 40

Can you double the hex value 0x55, leaving your answer in hex?

• 0x110

• 0x1010

• 0xAA

• 0x120

What is it called when there is not enough memory reserved for the result of a calculation?

• Crash

• Memory Dump

• Overflow

• Error

What is an expert system an example of?

• Selection

• Top-test iteration

• Bottom-test iteration

• Input