Data storage and compression

The binary digits 0 and 1 are each called a bit.

• True
• False

A group of 8 bits is known as a gigabyte.

• True
• False

A bit generally consists of eight bytes.

• True
• False

A bit is smaller than a byte.

• True
• False

Bit

• short for binary digit
• 8 bits as well (less used)
• 8 bits
• Four bits (Half a byte)

1 terabyte is equal to...

• 1024 bits

• 1024 kilobytes

• 1024 megabytes

• 1024 gigabytes

The typical size of a mp3 file is...

• 3 MB

• 300 MB

• 3 KB

• 3 bytes

Byte

• short for binary digit
• 8 bits as well (less used)
• 8 bits
• Four bits (Half a byte)

How many bytes there are in three kilobytes of disc storage.

• 3072

• 1024

• 3000

• 3070

How many bytes are in a kilobyte?

• 1000

• 100

• 1024

• 1058