DVD

Digital Versatile disk is a dick that can store large amounts of data. (text, audio, video, and pictures)

Controller

A storage unit that contains necessary instructions

CPU

Central processing unit is the main part of a computer system

CD-ROM

Compact Disk Read Only Memory is a dick with large amounts of memory

Byte

Multiple Bits (8) processed by a computer.

Bit

A basic unit of information

ASCII

A standard code in a computer or to be transmitted between computers.