Certification Examination Questions and
Answers
CPU - Central Processing Unit
➫ The _______________ is an integrated circuit chip (IC) that controls and directs the activities of
the computer. Considered the 'brain' of your computer, it is identified by manufacturer, model, and
processing speed in megahertz (MHz). Major manufacturers include Intel, Motorola, Cyrix,
AMD(Advanced Micro Devices), and IBM. Intel is considered to be the #1 manufacturer and sets the
standards for processors.
Client-Server Networks
➫ A type of network in which a server directs the clients' requests for resources.
Communication
➫ Information transferred between user agents and servers on a network.
Dial-Up
,➫ A type of network connection in which data is passed through phone lines.
Embedded System
➫ An operating system that combines processors and software in a device.
Excel
➫ The spreadsheet application used in the Microsoft Office suite.
Extranet
➫ A private network that an organization uses to communicate and share data with customers or
partners.
FTP (File Transfer Protocol)
➫ A protocol used to move files and folders over a network or the Internet.
Firewall
➫ Hardware or software used to protect data by determining what can get in and out of a network
, Hard Drive
➫ The primary storage component of a computer which holds all software and data.
IP Address
➫ A numerical address that identifies computers and devices on a network.
ISP (Internet Service Provider)
➫ A company that provides customers access to the Internet.
Input
➫ The first stage of the computing process, in which a user initiates an action by giving the
computer information or a request.
Internet
➫ The worldwide network of connected computers and servers.
Intranet