CompTIA A+ Complete: Review Guide

C

cache

An area of extremely fast memory, used to store data that is waiting to enter or exit the CPU.

cache memory

A storage area for frequently used data and instructions.

capacitor

An electronic component that stores an electrical charge.

central processing unit (CPU)

A processor chip consisting of an array of millions of integrated circuits. Its purpose is to accept, perform calculations on, and eject numeric data. It's considered the "brain" of the computer because it's the part that performs the mathematical operations required for all other activity.

Challenge Handshake Authentication Protocol (CHAP)

A protocol that challenges a system to verify identity. CHAP is an improvement over Password Authentication Protocol (PAP) that ...