Year 8 Revision quiz

Each digit in binary is called a...

• byte

• nibble

• bit

• kilobyte

A group of 8 binary bits is called a...

• byte

• bit

• nibble

What is the decimal representation of this binary number?

00111011

• 58

• 102

• 59

• 220

What denary number does the hexadecimal number E represent?

• 8

• 11

• 12

• 15

CPU stands for...

• core processor unit

• central processing unit

• central processor unit

The following is a correct order of units of storage from lowest to highest:

• a bit, a nibble, a byte, a kilobyte, a megabyte, a gigabyte, a terabyte
• a bit, a byte, a nibble, a kilobyte, a megabyte, a gigabyte, a terabyte
• a bit, a nibble, a byte, a megabyte, a kilobyte, a gigabyte, a terabyte
• a byte, a bit, a nibble, a megabyte, a kilobyte, a gigabyte, a terabyte

The smallest unit of data stored in an image file is called:

• Pixels
• Resolution
• Alpha
• Bitmap.

Convert 64 to binary

• 10000000

• 01111110

• 01000000

• 11001100

A byte is

• 8 bits
• 4 bits

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100