Friday, February 27, 2009

System clock


the clock in the computer system

Scanner


it is a device that copies images handwriting and other written things and converts them to digital images

Read-only memory (ROM)


This is the devince in the system that can only read memory like ram but ram can read and write files aand software

Random access memory (RAM)


the memory that reads and write in the computer and on files the bigger it is the more it can read

pointer


a little icon that enables you to click on things and open files

Thursday, February 26, 2009

Plotter


a machine that replicates the original picture by using replicating the lines and strokes of the image or original paper

Output devices


any machine that can transfer information or is outside the computer like a monitor

Optical storage devices


they are devices that used laser technology to read the data

Network drive


A shared space that is normally shared among many users over the network

Mouse


it is a input device the can make selections on the computer

Motherboard


a temporary device for documents and pictures it can range from megabytes to gigabytes

Memory


Memory is the electronic holding place for instructions and data for computer it varies to many tyoe of memory

Main memory


this is the memory device for temporary devices on the computer

Keyboard


an input devince that when connected tot he computer you can input information to the computer

Instruction cycle (I-cycle)


the time of the fastest instruction in a computer

Input devices


any electronic for the computer to input data on the computer like a mouse or a keyboard

printers


a machine capable of making copies and and printing thing using different methods like ink jet, etc,

Hard disk drive


the main storage of most personal computers it contains all teh software of the computer.

Execution cycle (E-cycle)


te action or the response of what the computer does.

DVD

a optical disk capable of taking movies and capable being watched on a tv or computer

Tuesday, February 24, 2009

controller



Controllers is a device used in computing and especially in computer hardware, often occur when interfacing with peripherals.

Monday, February 23, 2009

Central processing unit (CPU)


the main processor or the brains of the computer this determines the things the computer can produces

CD ROM


a disc that can contain information that can be accessed by computer, the disc can contain files, music, pictures, etc.

byte


a series os bits usuallly 8 processed into a single unit of informations

Bit


a bit is a digit that usually is either 1 or 0 and is used in computers

American Standard Code for Information Interchange (ASCII)


a code to transfer information from one computer to another in a 7 digit code

Friday, February 13, 2009

Mainframe Computer

a supercomputer consist

local area network

a network that connects computer in the same network or area

Internet


an worldwide network that connect most computers which consist of ip/tcp's . it can contain a endless amount of information

Hardware


the physical parts of the computer that make up the computer

Thursday, February 12, 2009

data communication


data communication is the process of data being transferred to other deivces such a a telephone wire or maybe a satelite link of such

data


data is the information that is stored onto the computer it can hold numerous and be related to numerous thing such as statistics recorde,etc and it is all prcessed by a computer

computer system


a Computer system is a full operating computer with all the requirements for the computer such as the hard drive mouse keyboard, etc.

Computer

A computer is a machine that can multitask and do numerous amount of things it can record data and send data and able to get information

channel


a channel is when one reciever can communicate on the same network and get information from each other