Data representation

A kilobyte is usually rounded to 1000 bytes. But actually it is _____ bytes:

• 1024
• 512
• 1048
• 9600

A gigabyte consists of 1024:

• megabytes
• terabytes
• kilobytes
• nibbles

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

Which is the smallest form of data?

• Bit

• Byte

• Nibble

• 8 Binary Digits

Convert 129 to binary

• 10000001

• 01111110

• 01000000

• 11001100

What is 126 in hexadecimal

• 7E
• 111110
• 76
• 7F

What is 27 in hexadecimal

• 1B
• 17
• 11011
• 1C

What is 19 in hexadecimal

• 13
• 10011
• 19
• 1A

Colour depth refers to:

• How many bits are used in a file to store colour information in every pixel
• Resolution divided by the number of colours in an image.
• Degree of file compression applied to an image file.
• Repeated resampling of an image.

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

• Pixels
• Resolution
• Alpha
• Bitmap.