cache
(1) A special-purpose buffer storage,
smaller and faster than main storage, used to hold a copy of instructions
and data obtained from main storage and likely to be needed next by the
processor. (T) (2) A buffer storage that contains frequently accessed instructions
and data; it is used to reduce access time.
calibration
The adjustment of a piece of equipment so that
it meets normal operational standards. For example, calibration could refer
to adjusting the alignment of a pen
call
(1)
The action of bringing a computer program, a routine, or a subroutine into
effect, usually by specifying the entry conditions and jumping to an entry
point. (I) (A) (2) To transfer control to a procedure, program, routine,
or subroutine.
Card Services
A
software management interface in the PCMCIA architecture that allows users
to allocate the system resources (such as memory and interrupts) automatically,
as soon as the Socket Services detects that a PC card has been added. Card
Services also releases these resources when the PC Card has been removed.
cathode ray tube display (CRT display)
(1)
A device that presents data in visual form by means of controlled electron
beams. (A) (2) The data display produced by such a device.
cdll
Circular doubly linked list.
child
class
child
process
A process, started by a parent process,
that shares the resources of the parent process.
child
window
A window that appears within the border
of its parent window (either a primary window or another child window.)
When the parent window is resized, moved, or destroyed, the child window
is also resized, moved or destroyed. However, the child window can be moved
or resized independently from the parent window, within the boundaries of
the parent window. Contrast with parent window.
CID
See Configuration, Installation, and Distributution.
class
The description
of a set of objects and their behavior. New classes can be defined interms
of existing classes through a technigue known as inheritance.
class
method
An action that can be performed on a
class object. Class methods are also called factory methods.
class
object
The run-time implementation of a class.
click
To press and
release a mouse button without moving the pointer off the choice. See double-click.
client
In a
Workplace architecture client/server environment, the consumer of a service.
An example is an application or shared service using a client library to
communicate with the Workplace Naming Services to retrieve information from
the system's name space.
client area
The
part of the window, inside the border, that is below the menu bar. It is
the user's work space, where a user types information and selects choices
from selection fields. In primary windows, it is where an application programmer
presents the objects that a user works on.
client
credentials
The set of data associated with
a client such as user identifier, group identifiers, roles
(such as administrator), and special permissions.
Client
Library
A collection of executable personality
neutral code and data that is bound to an application and provides the API
of a Workplace shared service to clients. The functions of the service API
may be implemented in the library or the library may map them to requests
to a server or microkernel service.
client/server
model
In the Workplace architecture, the Mach-defined
environment in which a small group of services (servers) at the system layer
support a large group of clients (users) at the application layer via interprocess
communication.
client window
The
window in which the application displays output and receives input. This
window is located inside the frame window, under the window title bar and
any menu bar, and within any scroll bars.
clipboard
An area of computer memory or storage that temporarily
holds data. Data in the clipboard is available to other applications.
clustered
multiprocessing
Distribution of tasks across
sets of multiple processors.
coalesce
(1)
To combine two or more sets of items into one set of any form. (I) (2) To
combine two or more files into one file.
composite
window
A window composed of other windows (such
as a frame window, frame-control windows, and a client window) that are
kept together as a unit and that interact with each other.
compound
document
A document that contains linked or
embedded information created by other applications.
configure
To describe to a system the devices, optional
features, and programs installed on the system.
Configuration,
Installation, and Distribution (CID)
An IBM
architecture used to automate installation and customization for Workplace
and other products. CID enables LAN-connected machines to be installed
and maintained remotely.
control ball
In
computer graphics, a ball, rotatable about its center, that is used as an
input device, normally as a locator. (I) (A) Synonymous with track ball.
copy
To place onto
the clipboard a duplicate of what has been selected.
CORBA
Common Object Request Broker Architecture. A
standard for distributed Group (OMG); object management.
core
shared service
A shared service that is included
with OS/2 for PowerPC or Workplace products and can always be counted on
to be present. These include name services, file services, pipe services,
print/spooler services, loader services, internationalization services,
event and windows services, LAN transport services, installation services,
and software serviceability services.
CRT display
Cathode ray tube display.
customize
To make a personal version of something, for
example, a voice model.
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