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Graves Comp Types

Graves Types of Computers

Any part of the computer that you can see or touch. Hardware
A set of electronic instructions that tell the computer what to do. Software
This is a computer system that is smaller and less expensive than a mainframe but still can be used by many users, used by larger companies. Minicomputer
Computers smaller in size and cost much less then mainframes and minicomputers, used in schools, libraries and homes. Microcomputer
A portable computer that usually accepts input through an attached keyboard and trackpad. Laptop
A portable computer that lets the user enter input through a touchscreen, usually with a finger. Tablet
Temporary computer memory that can be accessed randomly; used by programs. RAM
Permanent memory that can only be read and cannot be erased; programmed at the factory to help start the computer. ROM
The smallest unit of information that a computer can process. Bit
A binary digit: 0 or 1. Eight of these is a byte. Bit
Eight bits; equals one character on the screen, like “a” or “A”. A byte
1024 bytes; equals one half page of text. A kilobyte
Over one million bytes (1024 kilobytes); equals text of 500 pages or one thick book. A megabyte
Over one billion bytes(1024 megabytes); equals text of 500,000 pages or 1,000 thick books. A gigabyte
Over one trillion bytes (1024 gigabytes); equals text of 1,000,000 thick books. A terabyte
A device like a media player or smartphone that may include functions like games, contact lists and cameras. Handheld computer
A computing device that is part of clothing or accessories, like watches or glasses. Wearable computer
A very powerful, expensive computer used by possibly thousands of users at the same time. Used by governments, universities and major industry. Mainframe
A group of connected computers that allow people to share information and equipment. Network
A network where the computers are all located in small area. LAN
A large network that has smaller computer networks located inside itself, often in a large area. WAN
A computer or device on a network that manages the network or its resources. Server
A computer that manages network traffic and access. Network Server
A computer and storage device dedicated to storing files – any user on the network can store files. File Server
A computer that manages one or more printers. Printer Server
Any device which a user uses to get access to computer networks and their resources. Client
A person who uses a server to control access to computer networks and their resources. Administrator
A person who uses a client device to access computer networks and their resources. User
Created by: EdwardgRM