Basic Computer Terminology Flashcards
access time
The performance of a hard drive or other storage device - how long it takes to locate a file.
active program or window
The application or window at the front (foreground) on the monitor.
alert (alert box)
A message that appears on screen, usually to tell you something went wrong.
alias
An icon that points to a file, folder or application (System 7)
apple menu
On the left side of the screen header. System 6 = desk accessories; System 7 = up to 50 items.
application
A program in which you do your work.
application menu
On the right side of the screen header. Lists running applications.
ASCII (pronounced ask-key)
American Standard Code for Information Interchange. A commonly used data format for exchanging information between computers or programs.
background
Part of the multitasking capability. A program can run and perform tasks in the background while another program is being used in the foreground.
bit
The smallest piece of information used by the computer. Derived from “binary digit”. In computer language, either a one (1) or a zero (0). There are 8 bits in one byte.
backup
A copy of a file or disk you made for archiving purposes.
boot
To start up a computer.
bug
A programming error that causes a program to behave in an unexpected way.
bus
An electronic pathway through which data is transmitted between components in a computer.
byte
A piece of computer information made up of eight bits.
card
a printed circuit board that adds some feature to a computer.
cartridge drive
A storage device, like a hard drive, in which the medium is a cartridge that can be removed.
CD-ROM
An acronym for Compact Disc Read-Only Memory.
Chooser
A desk accessory used to select a printer, or other external device, or to log onto a network.
Clipboard
A portion of memory where the Mac temporarily stores information. Called a Copy Buffer in many PC applications because it is used to hold information which is to be moved, as in word processing where text is “cut” and then “pasted”.
Clcok Rate (MHz)
The instruction processing speed of a computer measured in millions of cycles per second (i.e., 200 MHz).
command
The act of giving an instruction to your Mac either by menu choice or keystroke.
command (apple) key
A modifier key, the Command key used in conjunction with another keystroke to active some function on the Mac.
compiler
A program the converts programming code into a form that can be used by a computer.
compression
A technique that reduces the size of a saved file by elimination or encoding redundancies (i.e., JPEG, MPEG, LZW, etc.)
control key
seldom used modifier key on the Mac.
control panel
a program that allows you to change settings in a program or change the way a Mac looks and/or behaves.
CPU
the Central Processing Unit. The processing chip that is the “brains” of a computer.
crash
a system malfunction in which the computer stops working and has to be restarted.
cursor
The pointer, usually arrow or cross shaped, which is controlled by the mouse.
daisy chaining
the act of stringing devices together in a series (such as SCSI).
database
an electronic list of information that can be sorted and/or searched.
data
(the plural of datum) information processed by a computer.
defragment
(also - optimize) to concatenate fragments of data into contiguous blocks in memory or on a hard drive.
desktop
- the finder. 2. the shaded or colored backdrop of the screen.
desktop file
an invisible file in which the Finder stores a database of information about files and icons.
dialog box
an on-screen message box that appears when the Mac requires additional information before completing a command.
digitize
to convert linear, or analog, data into digital data which can be used by the computer.
disk
a spinning platter made of magnetic or optically etched material on which data can be stored.
disk drive
the machinery that writes the data from a disk and/or writes data to a disk.
disk window
the window that displays the contents or directory of a disk.
document
a file you create, as opposed to the application which created it.
DOS
acronym for Disk Operating System - used in IBM PCs.
DPI
acronym for Dots Per Inch - a gauge of visual clarity on the printed page or on the computer screen.
download
to transfer data from one computer to another. (If you are on the receiving end, you are downloading. If you are on the sending end, you are uploading ).
drag
to move the mouse while its button is being depressed.
drag and drop
a feature on the Mac which allows one to drag the icon for a document on top of the icon for an application, thereby launching the application and opening the document.
driver
a file on a computer which tells it how to communicate with an add-on piece of equipment (like a printer).
Ethernet
a protocol for fast communication and file transfer across a network.
expansion slot
a connector inside the computer which allows one to plug in a printed circuit board that provides new or enhanced features.
extension
a startup program that runs when you start the Mac and then enhances its function.
fibre channel
as applied to data storage and network topology - link to FC Glossary.
file
the generic word for an application, document, control panel or other computer data.