| ALU
- Arithmetic Logic Unit - the
part of the processor which performs =, +, -, < , >, etc. operations
and comparisons.
CRT
- Cathode Ray Tube - an
electrical device found in monitors for displaying images by exciting
phosphor dots with a scanned electron beam. CRT is often used to refer
to the monitor.
CPU
- Central Processing Unit - the
heart (brains) of the computer system. It is comprised of the control
unit, the arithmetic logic unit, and temporary storage (RAM).
DOS
- Disk Operating System - was the first widely-installed
operating system for personal
computers developed for IBM by Microsoft. It is software used in most
computer systems to manage storage devices as well as data of any kind,
including files. It is referred to as a "disk" operating system
because the storage devices are made of rotating platters.
IDE
- Integrated Development Environment - a
system where you can control the editing and compiling of
language code from one program.
LAN
- Local Area Network - a
set of computers connected in order to share programs and storage space.
"Local" implies that the network is contained within a relatively small
space, such as a classroom, an office, one section of the building, or one
building.
OOP
- Object Oriented Programming -
the use of small, reusable components to construct large software systems.
OS
- Operating System
- the program that manages all the other programs in a computer.
Some popular operating systems include MS-DOS, Windows 98/2000/NT/XP, MacOS, Unix,
and Linux.
RAM
- Random Access Memory -
temporary memory lost when the computer is turned off.
ROM
- Read Only Memory - hardwired
memory which cannot be changed. Contains the system directions.
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