System clock

In a computer it synchronizing tasks done on it.

Scanner

A machine that changes images into digital data that translates it to a computer.

Read-only memory (ROM)

The memory that is on the motherboard, it contains instructions on how to do certain things.

Random access memory (RAM)

The main memory that has short-termed memory that data is processed while the program is running.

Pointer

A symbol that appears on a screen that lets the user to move it on the screen and do certain commands.

Plotter

A printer that uses pens to print lines, it can creates maps, charts, and blue-prints.

Output devices

Devices that get information from outside a computer.

Optical storage devices

An optical disk that is a data storage medium. It writes and reads using a laser beam.

Network drive

A tape or disk drive that connects to a server that is shared by multiple users.

Mouse

A device that directs an indicator that moves correspondingly on a computer screen.

Motherboard

The main board of a computer. It contains the circuitry for many parts of the computer.

Memory

A part of the computer that holds data for retrieval.

Main memory

Also known Random Access Memory (RAM) it is the physical memory that is inside the computer. It is the only the data that the computer can manipulate.

Keyboard

A input device that uses keys or buttons that acts as electronic switches.

Instruction cycle (I-cycle)

The first two steps in the machine cycle that obtain instructions and translates them.

Input devices

It is any computer hardware that is used control signals and provide data to an information processing system.

Printers

A device that applies inked images of text and/or graphic on paper.

Hard disk drive

Also known as a hard drive it is a non-volatile device it stores digital encoded data that shows its data by using magnetic surfaces with rapidly rotating platters.

Execution cycle (E-cycle)

The last two steps of the machine cycle that produces processing results.

DVD

A digital versatile disk or digital video disk is a read-only memory disk that stores large amounts of data. It usually contains high-resolution audio-visual material.

Controller

A device that has buttons that allow you to control another device.

Central Processing Unit (CPU)

A part of the computer that interprets and executes computer programs.

CD-ROM

A disk that is meant for read-only memory.

Byte

Binary data that consists of eight bits that is operated on as a unit on the computer.

Bit

A binary digit that uses the value of 1or 0. It represents an information capacity's measurement. Its is the smallest unit of data transfer.

American Standard Code for Information Interchange (ASCII)

The coding standard that is used to interchange information. It uses the English alphabet to represent the text in devices that uses text to be transmitted through it.

List 5 hardware

1. Printer
2. Scanner
3. Camera
4. Mouse
5. Keyboard

List 5 software

1. Adobe Photoshop CS3
2. Microsoft Office word
3. Mozilla Firefox
4. Windows Media Player
5. Windows Movie Maker

Wide Area Networks (WAN)

A computer network that covers a huge area.

Supercomputers

Very powerful and technologically advanced computers.

Software

The programs that direct the operation of hardware and control its functions.

Sender

A device that sends data transmissions.

Reciever

A device that receives a data transmission.

Protocol

A procedure used to regulate the data transmission between computers.

People

A group of humans. They are the ones that use the computers.

Notebook Computer

A lightweight computer that has all the functions a regular computer has and is portable.

Network

A system of computers that are interconnected by wires or other means to share information.

Minicomputers

A medium sized computer that is a multiprocessing system. It has less memory than a mainframe.

Microprocessors

A single integrated circuit that hold the central processing unit of a computer on a chip.

Microcomputer

A computer that has a small to medium size capacity that uses microchip technology. It preforms some of the functions of a larger computer.

Mainframe Computers

A high performance computer that is specifically used large-scale purposes that require high security and greater availability.

Local Area Network (LAN)

A computer network that stretches a small area.

Internet

The largest interconnected system of networks that connect computers as a communication device.

Hardware

The physical electronic and mechanical parts that make up a computer system.

Data Communication

A computer network that has a set of devices and/or computers that can exchange data.

Data

The information that is put into a computer.

Computer System

The computer, software, and hardware that is necessary to operate a computer.

Computer

An electronic device in which it receives, processes, stores data, and produces some kind of result.

Channel

A frequency in which data travels through it.