Data Representation in Computers

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 that use is:

• a bit
• a byte
• a gigabyte
• a megabyte

The following unit of data can approximately store a page of text:

• a kilobyte
• a byte
• a megabyte
• a gigabyte

The following is true about character sets:

• Each letter has a unique code
• Lower and upper case letters share the same codes
• ASCII is one of the latest character sets to be adopted

The first 31 ASCII characters:

• Are rarely used by today's computers.
• Are the lowercase letters of the English alphabet.
• Are the uppercase letters of the English alphabet.

Unicode can represent:

• 65,536 different characters
• 255 characters
• 127 characters

Which is the smallest storage unit in a computer?

• Bit
• Megabyte
• Nibble
• Terabyte

How many bits are in a nibble?

• 2 bits
• 4 bits
• 6 bits
• 8 bits

How many bytes are in a kilobyte?

• 2
• 124
• 1024
• 102440

How many kilobytes are in megabyte?

• 600
• 1001
• 1008
• 1024