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IMA Chapter 1
IMA Chapter 1
33
Other
Undergraduate 1
09/26/2006

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Term
AGP
Definition
(AGP) Accelerated Graphics Port
Term
Application
Definition
An environment or program supported by a computers opperating system
Term
ASCII
Definition
American Standard Code for Informational Interchange- This code enables the transfer of data across various machines and environments, nearly all computers support it
Term
Binary Number
Definition
"0" or "1"- Since a computer simply interprets voltage, binary numbers represent either an on state (1) or an off state (0)
Term
Bit (b)
Definition
One or a single binary number
Term
Bus
Definition
The collection of wires in which data is transmitted from one location to another within a computer.
Term
Byte
Definition
Eight binarys numbers together ie:

in binary the # 152= 10011000
Term
Byte
Definition
Eight binarys numbers together ie:

in binary the # 152= 10011000
Term
Chipset
Definition
Controls the motherboard functions!!!!

A group of integrated circuits on the motherboard that performs one or more functions.
Term
Clock Speed
Definition
the speed in which a computer can execute instructios it recieves. The clock speed regulates precessing to harmonize component functioning. Clock speed is expressed in hertz (Hz).
A 3 GHz CPU is capable of exectuing 3 billion instructions per sond.
Term
Computer
Definition
A device that can make calculations faster and more accurately than humans
Term
CPU
Definition
Central Processing Unit- The brain of the computer, interprets and executes instructions from a command or program.
Term
Expansion Card
Definition
A printed circuit board that can be inserted into a computer to contribute additional utility.
Term
File
Definition
A collection of data created in a certain program and saved under a filename
Term
Filename
Definition
the name in which you save a file under in a computers memory
Term
Input Device
Definition
A device used to recieve the transmission of data from external sources
Term
ISA
Definition
(Industry Standard Achitecture) Older standard that occupied the black slot on the motherboard, tied to 16-bit structures, became obsolete on the rise of 32-bit computing systems.
Term
Mainframe
Definition
Large computer capable of supporting hundreds to thousands of users at the same time.
Term
Microcomputer
Definition
originally served as "dummy" terminal for mainframe comps. You could observe and access the system in play but it had no discrete funtioning.
Term
Minicomputer
Definition
Capable of supporting hundreds of users at the same time. Smaller version of the mainframe. got its name from the integration of transistors
Term
Motherboard
Definition
The main circuitboard of a PC. Contains circuitry to sychronize componets such as the CPU, keyboard and monitor. Auxilary slots may be present for the incorpoation of additional cicuitry or expansion cards.
Term
Nibble
Definition
Four binary digits together

ie: 0110
Term
OS
Definition
Operating System- Officiate fundamental tasks such as recognizing keyboard input, transmittig images for display, keeping record of files on hard disk. PC/Windows-Apple/Mac-Linux
Term
Output Device
Definition
Utilized for the display of the info the computer prcesses ie: Monitors and Printers
Term
Parallel Connection
Definition
Multiple wires, enabling transmission of more than one bit at a time
Term
PCI
Definition
Peripheral Component Interconnect- White slot on the motherboard, support 32-bit organizations and interface.
Term
Personal Computer
Definition
PC- a self contained computing device offering all necessary input, output, and display device utilities to a single end user.
Term
RAM
Definition
Random Access Memory- Holds Data when power is on- Volatile to power, if power goes out you lose file if its not saved.
Term
ROM
Definition
Read Only Memory- Holds data when power is off- Non Volatile to power
Term
Serial Connection
Definition
uses a single wire to transmit data individually by bit. one bit at a time.

USB cable IEEE*1394-Firewire
Term
Supercomputer
Definition
Can perform an extremely high number of instructions per second. Built to do one thing extremely well.
Term
Width
Definition
the size of a bus-indicator of the maximum quatity of data a bus can communicate at one time. 16-bit bus can accomdate 16 bits of data- 32-bit bus can accomodate 32 bits of data
Term
Word
Definition
word is used to describe loger strips of bits. ie: 2 bytes constitutes a 16-bit word; 4 bytes, a 32 bit word.
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