Scanner

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

System clock

A time-of-day clock in a computer system

Read-only memory (ROM)

Memory whose contents can be accessed and read but cannot be changed

Pointer

Indicator consisting of a movable spot of light (an icon) on a visual display

Plotter

A plotter is a vector graphics printing device that connects to a computer.

Random access memory (RAM)

The most common computer memory which can be used by programs to perform necessary tasks while the computer is on

Optical storage devices

Is a term from engineering referring to the storage of data on an optically readable medium.

Output devices

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system

Network drive

A connection to the hard drive of a remote computer, allowing you to access shared files and directories

Mouse

A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad

Motherboard

A motherboard is the central or primary printed circuit board (PCB) making up a complex electronic system, such as a modern computer

Memory

An electronic memory device; "a memory and the CPU form the central part of a computer to which peripherals are attached"

Main memory

Computer data storage, often called storage or memory, refers to computer components, devices, and recording media that retain digital data used

Keyboard

Device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like

Instruction cycle (I-cycle)

Is the time period during which a computer reads

Input devices

An Input device is any piece of computer hardware equipment used to provide data and control signals to an information processing system

Printers

An output device that prints the results of data processing

Hard disk drive

Commonly referred to as a hard drive, hard disk, or fixed disk drive, is a non-volatile storage device which stores.

Execution cycle (E-cycle)

When a computer obeys the instructions in a computer program

DVD

A digital recording (as of a movie) on an optical disk that can be played on a computer or a television set

Controller

Used for interfacing with peripherals

Central processing unit (CPU)

Its the "brain" of the computer and that's where most calculations and processing takes place.

CD-ROM

A round portable disk that can store data

Byte

A unit of information made up of 8 bits

Bit

It means binary digit which is the smallest unit of information

American Standard Code for Information Interchange (ASCII)

The standard code used for exchanging data over American processors

Wide area networks (WANs)

A system consisting of a set of nodes that are interconnected by a set of links, and generally covers a large geographic area, usually on the order of hundreds of miles. Abbreviated WAN."

Supercomputers

The ultimate form of computation and can process information faster than anything in the world

Software

The program that controls and operates a hardware device

Sender

A machine that sends data in code for a receiver to decode.

Receiver

A device that receives signals and decodes it into text, documents and etc.

Protocol

The rules for sending and receiving over the internet, LAN and wan also can be called tcp/ip

People

Humans or people that have the capabilities of thought and the ability to communicate

Notebook computer

Smaller and more personal computers that are portable but still has the same capability of a PC

Network

An interconnected system of things

Minicomputers

Bigger than a micro but smaller than a mainframe its used mostly in small businesses and is made for a bit larger processing

Microprocessors

The heart of the computer, here is where most of the processing and thinking is done

Microcomputer

A small computer designed for a personal use and for one person.

Mainframe computers

A high performance computer that does large scale processing.

Local area network (LAN)

A small area of connected computers usually a school or office, in which printers,documents and games can be share and documents can be sent. usually using actual cables and wires.

Internet

A world wide system of connected networks using tcp/ip

Hardware

Physical machinery that makes up a computer

Data communications

the transmission of data that is encoded

Data

information sent by computers

Computer system

all the software and peripherals necessary to make the computer work

Computer

A machine that can perform high speed processing and mathematical operations

Channel

a line used to carry data through various networks