do now 4.6.11

why is it important to have a header or footers?
Headers and footers are useful for keeping documents intact

Universal Serial Bus (USB)

Is a specification to establish communication between devices and a host controller (usually personal computers), developed and invented by Ajay Bhatt working in Intel.

USB Flash Drive

Its a removable flash memory device that plugs into a computer's USB port.

trackball

Is pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes--like an upside-down mouse with an exposed protruding ball.

table pc

A computer shaped in the form of a notebook except it has the capabilities of being written on through the use of digitizing tablet technology or a touch screen.

Supercomputer

Is a computer that is at the frontline of current processing capacity, particularly speed of calculation.

software

Its a written programs or procedures or rules that's associated into a documentation pertaining to the operation of a computer system and that are stored in read/write memory.

server

A combination of hardware or software designed to provide services to clients.

scanner

Is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image

Read-Only Memory (ROM)

A memory whose contents can be accessed and read but cannot be changed.

Random Access Memory (RAM)

Its a memory that stores program and data values during operation and in which each byte of memory may be directly accessed.

Printer

Is a output device that process for reproducing text and image, typically with ink on paper using a printing press.

pointing device

An input device that allows for the free planar movement of an on-screen icon, usually an arrow.

Plug-and-Play

Is a term used to describe the characteristic of a computer bus, or device specification, which facilitates the discovery of a hardware component in a system, without the need for physical device configuration, or user intervention in resolving resource conflicts.

Output

Is the term denoting either an exit or changes which exit a system and which activate/modify a process.

notebook computer

Also known as laptop computer, is a small mobile personal computer.

Monitor

Its a electronic visual display for computers and also comprises the display device, circuitry, and an enclosures.

Mouse

Is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface.

Motherboard

Is the primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices.

Modem

A device that carries signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information.

Mobile Devices

A pocket-sized computing device, typically having a display screen with touch input or a miniature keyboard.

Memory

Is a device for recording (storing) information (data).

Laser Printer

Is a type of printer that rapidly produces high quality text and graphics on plain paper.

Keyboard

Its an input device, partially modeled after the typewriter.

Input

Its a device which is inserted into a system and which activate/modify a process.

Inkjet Printer

 A device used for printing documents which that operates by propelling tiny droplets of liquid ink onto paper.

Information

A collection of facts from which conclusions may be drawn.

Hardware

Is a computer system on which a GIS operates.

hard disk

It stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces.

FireWire

Is one implementation of the IEEE 1394,Interface and also the original technology used for syncing iPods, as well as allowing them to serve as external hard drives.

Expansion Slot

Is a printed circuit board that can be inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system.

Digital Camera

Its a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.

Data

Is one of the sections of a program in an object file or in memory, which contains the global variables and static variables that are initialized by the programmer.

Control Unit

Is a central part of a machinery that controls its operation, provided that a piece of machinery is complex and organized enough to contain any such unit.

Computer

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

Circuit board

Its a board on which electronic components and their interconnecting circuits are mounted or etched.

Centrl Procesing Unit (CPU)

Its part of a computer that fetches, decodes and executes instructions; attached directly to the memory.

Audio Input

Is a connection jack on an electronic component that receives electronic signals from a wire, or cable, sent by another component.

Arithmetic /Logic Unit (ALU)

It is a digital circuit that shows arithmetic and logical operation in the computer instruction words.

IC3 Certification Exam

Is a certification program in the United States that is designed to teach individuals the digital literacy skills associated with basic computer and Internet use.

Transport Layer Security (TLS)

It provide security for communications over networks such as the Internet.

Strong Password

Consists of at least six characters including a combination of upper and lower case letters, numbers and symbols and its hard for a computer and a human to figure it out.

Sniffer

Software that monitor activities over the network.

spyware

A computer software that obtains information from a user's computer without the user's knowledge or consent.

Secure Sockets Layer (SSL)

Is a security technology that is commonly used to secure server to browser transactions.

Repetitive strain Injury (RSI)

Is an injury caused by repeating the same action over and over again.

public key

Is a key that people other than the certificate subject can use.

Private Key

A signature key pair used to create a digital signature

Keylogger

Is a device or program that captures activities from an input device.

Hardware Firewall

It gives your computer a line of defense that is difficult to bypass.

hacking

Is a person who breaks into computers, usually by gaining access to administrative controls.