MY COMPUTER DICTIONARY
- algorithm- A formula or set of steps for solving a particular problem.
- alphanumeric-Using alphabetic letters, numbers, and special characters.
- ALU-1.Arithmetic & Logic Unit.The part of a computer's central processing unit
which performs arithmetic operations on integers, and Booleanoperations
- binary-A system of numbers having 2 as its base and using 0s and 1s for its
notation.Binary code is used by computers because it works well with digital
electronics and Boolean algebra.
- boot-1.To load a computer�s operating system. 2.The process of loading a
computer�s operating system.
- browser-A client program that allows users to read hypertext documents on the
World Wide Web, and navigate between them.
- buffer-A reserved area of memory for temporarily holding data.A buffer can hold
data being sent from a high-speed device to a low-speed device until the
slower device can accept the input
- bug-An error in a computer program or in the computer's hardware that causes
repeated malfunctions.
- byte-The amount of memory space used to store one character, which is usually
8 bits.A computer that has 8-bit bytes (most large and small computers
today) can distinguish 28 = 256 different characters.See bits, kilobytes and
megabytes.
- character-ol that represents information, or the representation of that symbol
by a computer.
- chip-Also called microelectronic or integrated circuit.
- clock-1.A circuit in a computer that uses a quartz crystal to generate a
series of regular pulses which are sent to the CPU.
- command-An instruction given to the computer, by means of a keyboard, punch card,
mouse, voice command, or other method.
- compatible- Able to work together.Two hardware devices, such as a computer and
printer, can be compatible.
- CPU-Central Processing Unit.
- cursor-The movable symbol on a computer screen that shows where the user is
working, whether typing in text, drawing lines, or moving design elements
around.
- data-Information; raw facts.Data can be input into a computer and processed in
various ways.
- debug-To fix problems in hardware or software.
- directory-to help you find something.
- disk drive-The disk drive where a floppy disk is inserted.
- documentation-Instructions that come with a software program, which may include paper.
- DOS-Disk Operating System.
- edit-To make changes in a file.
- e-mail-Electronic mail-.A service that sends messages on computers via local or
global networks.
- field-ems in a database record: for example, Name, City, Zip Code,
etc.
- file-1.A block of information in the form of bytes, stored together on a computer
or external digital storage medium, and given a name.
- floppy disk-.A removable, portable magnetic disk on which data and programs can
be stored.
- FTPFile Transfer Protocol- .A client/server protocol for exchanging files with a
host computer.Examples are Xmodem, Ymodem, Zmodem and Kermit.
- function key-A set of special keys on a computer keyboard that are numbered F1, F2,
etc.
- graphics-The creation, editing, and printing of pictures.
- hard copy-The paper version of a document, as opposed to the version on disk or
tape.
- hard disk-The main device that a computer uses to store information.
- hardware-The hardware is the physical part of a computer system; the machinery and
equipment.Software means the programs that tell the computer what to do.
- hexadecimal-The base 16 numbering system, sometimes used as a short way of
representing binary numbers.
- HTML-HyperText Markup Language.
- HTTP-HyperText Transfer Protocol.
- integrated-(IC).Also called microelectronic or chip.
- internet-A network of networks; a group of networks interconnected via routers.The
Internet (with a capital I) is the world's largest internet.
- interface-A shared boundary where two or more systems meet;
- 1 Gig-billion bytes
- 1K-thousand bytes
- 1Meg-million bytes
- memory-Also called main memory.
- menu-A onscreen list from which the user may choose an operation to be
performed.
- microprocessor-A computer with its entire CPU contained on one integrated circuit. The firstmicroprocessor wascreated by Intel.
- mnemonic-A memory aid; a word or expression which isdesigned to be easier to
remember than what it represents.
- modem-A peripheral device that connects computers to each other for sending
communications via the telephone lines.
- monitor-Also called a display.A device that displays text and graphics generated by a
computer.
- operating system-(OS).The main control program of a computer that schedules tasks,
manages storage, and handles communication with peripherals.
- output-Information that comes out of the computer;
- port-1.A socket at the back of a computer used to plug in external devices such
as a modem, mouse, scanner, or printer.
- b-prints paper
- primary storage-The internal memory of a computer; Random Access Memory.
- program-PL).A high-level mathematical programming language developed by
Kenneth Iverson in the 1960s.
- prompt-A message from the computer that asks the operator to do something, such
as enter a command, enter a password, or enter data.
- RAM-Random Access Memory.The working memory of the computer.RAM is the
memory used for storing data temporarily while working on it, running
application programs, etc.
- ROM-Read-Only Memory-Memory that can be read but not changed.Read-only
- memory is non-volatile storage;
- secondary storage-Storage other than the computer's internal memory (RAM); externalstorage, such as disk or magnetic tape.
- silicon-Si).An element found in rocks and sand, which is used as the base, or
substrate, for computer chips.
- sofrware-Software is the programs that tell a computer what to do.Hardware is the
physical part of a computer system; the machinery and equipment.
- syntax error-i could not find it.
- text file-A file containing only text characters, usually ASCII characters; contrast with graphics file and binary file.
- URL-iform Resource Locator (formerly Universal Resource Locator).
user friendly-cant find it
- Windows-User interface software with windows released by Microsoft in 1985 to run
with MS-DOS.
- WWW-World Wide Web-A hypermedia-based system for browsing Internet sites.