22-03-2012, 03:13 PM
Types of Computers and Computer Hardware
Presentation - Day 01.ppt (Size: 370 KB / Downloads: 255)
Basic Terminology
Input
Whatever is put into a computer system.
Data
Refers to the symbols that represent facts, objects, or ideas.
Information
The results of the computer storing data as bits and bytes; the words, numbers, sounds, and graphics.
Output
Consists of the processing results produced by a computer.
Processing
Manipulation of the data in many ways.
Memory
Area of the computer that temporarily holds data waiting to be processed, stored, or output.
Storage
Area of the computer that holds data on a permanent basis when it is not immediately needed for processing.
Microcomputer
A personal computer; designed to meet the computer needs of an individual.
Provides access to a wide variety of computing applications, such as word processing, photo editing, e-mail, and internet.
Desktop Microcomputer
A microcomputer that fits on a desk and runs on power from an electrical wall outlet.
The CPU can be housed in either a vertical or a horizontal case.
Has separate components (keyboard, mouse, etc.) that are each plugged into the computer.
Laptop Computer
A portable, compact computer that can run on an electrical wall outlet or a battery unit.
All components (keyboard, mouse, etc.) are in one compact unit.
Usually more expensive than a comparable desktop.
Sometimes called a Notebook.