GCSE - Binary Conversions and Units

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 254 to binary

• 11110000
• 11111100
• 11111111
• 11111110

Convert 5 to binary

• 00000101

• 00000011

• 00100111

• 01000101

Convert 00010001 to denary

• 17

• 27

• 37

• 47

Convert 11001100 to denary

• 224

• 134

• 104

• 204

Convert 11111111 to denary

• 255

• 245

• 235

• 225

Convert 00100100 to denary

• 26

• 36

• 46

• 56

How many bits are there in a nibble?

• 2

• 4

• 8

• 16

A modern office containing a backup system would most likely need it to have capacity in order of which size?

• Kilobytes

• Terabytes

• Nibbles

How many bytes are in 4 megabytes?

• 4000

• 40,000

• 400,000

• 4,000,000