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Unformatted text preview: ogram: An operating system program, which controls the operations and
management of resources of a computer system. The control program's major
functions are job scheduling, input/output scheduling, and program monitoring.
Control unit: The unit of a computer system that manages and coordinates the
operations of all the other components of the computer system. It is one of the
components of the central processing unit (CPU) of the computer.
Cost/benefit analysis: A procedure for evaluation and selection of hardware and/or
software in which lists are made of all the costs and benefits of each proposed data
Counter: A device, register or storage location for storing integers that is suitably
incremented or decremented to represent the number of occurrences of an event.
CPU scheduler: The part of the operating system that is concerned with deciding
which of the ready jobs should be allotted the CPU for execution.
CPU-bound jobs: Jobs which heavily utilize the CPU operations during the course
of their processing.
Crash: A hardware or software failure that causes a computer system to stop
Cryptography: A means of protecting private information against unauthorized
access in those situations where it is difficult to ensure access control. The basic
idea behind this security technique is that if it is not possible to ensure access
control, it is better to prevent comprehension of information.
Cursor: A highlight on the screen of a monitor that indicates the location of the
next keyed-in character on the display screen. It can appear as a small rectangular
object, line, arrow, or I-beam pointer, or in a spreadsheet, as a large block
covering an entire cell.
Cybernatics: The use of computers coupled with automatic machinery to carry out
Cyberspace: The world-wide network of computers.
Cycle stealing: A memory cycle taken by the DMA controller from the CPU to
enable it to transfer data directly to memory. Cycle time: The time interval between the instant at which a read/write command
is given to a memory and the instant when the next such instruc...
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This document was uploaded on 04/07/2014.
- Spring '14