iGCSE - data representation

Which of these is the smallest?

• 21 Nibbles
• 40 bits
• 8 bytes
• 1 Kilobyte

Which of these is the largest?

• 9 Megabytes
• 100 Kilobytes
• 0.01 Gigabyte
• 40000 Bytes

Which of these would hold 1 hexadecimal value?

• Bit
• Nibble
• Byte
• Petabyte

How many bits would you need to store this number: 1010101

• 7
• 14
• 1
• 2

How many unique values can you represent with 6 bits

• 32
• 16
• 64
• 128

What is 100101 in denary?

• 37
• 74
• 44
• 20

What is 10001001 in denary?

• 137
• 274
• 192
• 44

What is 5B in denary?

• 91
• 90
• 181
• 182

What is E in denary?

• 11
• 13
• 14
• 16

What is 18 in binary?

• 10010
• 1001
• 10101
• 11001