My computer dictionary
My Ordered List:
- algorithm: A detailed, ordered set of instructions for solving a problem
- alphanumeric: Using alphabetic letters, numbers, and special characters.
- ALU: .Arithmetic & Logic Unit.The part of a computer's central processing unit
which performs arithmetic operations on integers
- binary: A system of numbers having 2 as its base and using 0s and 1s for its notation.
- boot: 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
- 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
- character: A symbol that represents information, or the representation of that symbol by a computer
- chip: Also called microelectronic or integrated circuit.A microelectronic device comprising many miniature transistors and other electronic components
- clock: A circuit in a computer that uses a quartz crystal to generate a series of regular pulses which are sent to the CPU.The clock is the heartbeat of the computer.
- 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; or two kinds of software with each other.Software must also be compatible with the hardware it is used with.
- CPU: Central Processing Unit.The CPU controls the operation of a computer
- 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:nformation; raw facts.Data can be input into a computer and processed in various ways
- debug:To fix problems in hardware or software.
- directory: a collection of similiar data
- disk drive: (floppy)The disk drive where a floppy disk is inserted. (hard disk)A disk drive that reads from and writes to a hard disk.
- documentation: nstructions that come with a software program, which may include paper or electronic manuals, README files, and online help.
- DOS:Disk Operating System.More computers worldwide have DOS than any other 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:One of the items in a database record. A field may have a specific number of characters or may vary.A group offields make up a record.
- file: 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.
- flow chart: graphical representation of an algorithm.
- FTP:File 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.that perform special functions depending on the application program in use.Also called F keys.
- 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.The language used to create World Wide Web pages, with hyperlinks and markup for text formatting
- HTTP: HyperText Transfer Protocol.The protocol most often used to transfer information from World Wide Web servers to browsers, which is why Web addresses begin with http://
- integrated circuit:Also called microelectronic or chip.A microelectronic device comprising many miniature transistors and other electronic components
- 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; or the means by which communication is achieved at this boundary
- 1 Gig: One billion bytes; gigabytes
- 1K:1000 bytes.
- 1 Meg: Mega, or million megabyte
- LAN:Local Area Network.A network that connects computers that are close to each other, usually in the same building, linked by a cable.
- memory:Also called main memory.The working space used by the computer to hold
the program that is currently running, along with the data it needs, and to
run programs and process data.
- 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
- 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: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; for example, a picture on the screen, a printed page, sound coming from the speakers, files printed to
disk or sent over a communications line.
- port:A socket at the back of a computer used to plug in external devices such
as a modem, mouse, scanner, or printer. 2.In a communications network, a
logical channel identified by its unique port number. 3.To translate software
from one computer system to another.
- printer:A high-speed, non-impact printer that uses a laser beam to form images on a page.Laser printers work like photocopiers to produce high-resolution,
high-quality printouts.
- primary storage: The internal memory of a computer; Random Access Memory.
- program:A program that helps the user accomplish a specific task
- 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
- ROM: Read-Only Memory.Memory that can be read but not changed.Read-only memory is non-volatile storag
- secondary storage:Storage other than the computer's internal memory (RAM); external storage, such as disk or magnetic tape
- silicon:An element found in rocks and sand, which is used as the base, or
substrate, for computer chips.
- software: 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: when you break the rules of a programming language.
- text file: A file containing only text characters, usually ASCII characters; contrast with graphics file and binary file.
- URL: Uniform Resource Locator (formerly Universal Resource Locator).An
Internet address which tells a browser where to find an Internet
resource
- user friendly: a program that has a really well designed interface.
- 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.It is named the Web because it is made of many sites linked together; users
can travel from one site to another by clicking on hyperlinks
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