running more than one application in memory at the same time
multi-tasking
to call on for support
to invoke
the part of a picture, scene, or design that forms a setting for the main figures or objects, or appears furthest from the viewer.
background
To shut or make secure
to lock
a promise or pledge to do something
commitment
A single level in the stacking order that can hold any number of objects
layer
a visual way of interacting with a computer using items such as windows, icons, and menus, used by most modern operating systems.
graphical user interface
Software that performs a specific task, such as word processing or spreadsheet creation
applications software
too high price
eye-watering price
to think with pleasure about a future event that you expect to enjoy.
to look forward to
image
icon (n)
A program, such as a spell checker or calendar, that remains loaded in memory so that it may be quickly recalled while another program is running, as found in operating systems which do not allow multitasking.
resident program
to take as one's own
to adopt
In a factory, an arrangement where a product is moved from worker to worker, with each person performing a single task in the making of the product.
assembly line
the central or most important part of something.
kernel
to set up (an organization, system, or set of rules) on a firm or permanent basis.
to establish
The way something allows you to connect with it
interface
the action of mathematical calculation
computation
Text prompt for entering commands
command prompt
it is generally used for protection, but sometimes for body support
shell
break into or between; hinder; stop
to interrupt
the surroundings or conditions in which a person, animal, or plant lives or operates.
environment
The technique of keeping multiple programs that compete for access to the CPU in main memory at the same time so that they can execute
multiprogramming
added, extra, or supplementary to what is already present or available
additional
this program is responsible for controlling all other programs in the OS.
supervisor program
Software programs in a system that contain instructions that transfer control to the system software to perform input/output and other routine operations with a user interface.
application program
Hardware that performs graphics processing tasks independently of the computer's
graphic engine
strong and healthy
robust
a collection of things or persons to be handled together
batch
a button on a computer keyboard, distinct from the main alphanumeric keys, to which software can assign a particular function.
key function
A shortened form of a word or phrase
abbreviation
it contains instructions written by a programmer specifying the actions to be performed by computer software
source code
an activity that will produce money
revenue stream
house
accommodation
a fact or condition connected with or relevant to an event or action.
circumstance
Interface between user and computer in which the user enters commands to communicate with the computer system.
command driven
to get into someone's computer system without permission in order to get information or do something illegal
to hack into
to include as a necessary step
to entail
to make easier; to assist
to facilitate
to set apart or designate for a special purpose; to distribute
to allocate
a falling short of what is expected or needed; a weakness or fault
shortcoming
the product of a number and any whole number
multiple
A software program you can use to find Web sites, Web pages, and Internet files.
search engine
the interplay that occurs when the effect of one factor (such as environment) depends on another factor (such as heredity)
interaction
a place, amenity, or piece of equipment provided for a particular purpose.
facility
Exit a login shell
logout
A procedure for protecting memory allocated to one program from unauthorized access by another program; adds overhead to each write operation.
memory-protection
to put into action; execute
to implement
enough; adequate
sufficient
Two or more users have individual accounts that allow them to work with programs and peripheral devices at the same time.
multi-user
to express disapproval
to object to
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