6) Computer

A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format.

5) Circut board

A board, on which electronic components and their interconnecting circuits are mounted or etched.

4) Central Procesing Unit (CPU)

The portion of a computer that directs the sequences of operations and initiates the proper commands to the computer for execution.

3) Biometrics

A security technique for checking and verifying identities that employs digitally created 'maps' of an individual's physical characteristics (eg. thumb prints, voice recordings or iris scans). These are stored by a security system and are later compared when accessed by the individual.

2) Audio Input

The audio input is a connection jack (or plug) on an electronic component that receives electronic signals (with audio information) from a wire, or cable, sent by another component.

1) Arithmetic /Logic Unit (ALU

A arithmetic logic unit, also known as ALU is a digital circuit that performs arithmetic and logical operations.

Do now: 4-6-11

Do Now: Why is it important to have a header and a footer?

It is important to have a header and a footer because they show and provide useful information such as the title of the document, the date, and the author.

Headers and footers are also useful because it can keep files in order and intact.