Processes Flashcards
Define
Algorithm
A series of unambiguous instructions or procedural steps that will result in the solution to a specific problem within a finite time.
Define
Input
The process of transferring data or program instructions from the environment into the computer’s memory using some peripheral device. Sometimes used to denote the data itself sometimes to denote the signal applied to a circuit or device.
Define
Output
The process of transferring data or information from the computer’s memory to the environment using some peripheral device.
Define
Process
The function that transforms inputs into outputs.
Define
Storage
A function that reads, writes and retains data.
Define
Control
The function of one of the logical elements of the computer system. Control of the system may be carried out by any or all of the hardware, software, procedures and personal of the system.
Define
Code cache
Hardware or software that is used to store something, usually data, temporarily in a computing environment.
Define
Call
Causing the execution of a subroutine (process) from within another subroutine
Define
Scope
The extent or range of an operation or identifier. Where in a program a given identifier may be accessed.
Define
Operating System
The software that supervises and controls system resources such as the CPU, memory, storage devices and I/O deices, as well as executing other user-controlled programs. The operating system also manages the flow of data.
Define
File Association
Defines the application that is executed when a data file is opened.
Define
Shared File
A file that’s code is used by more than one program.
Define
Hardware
The physical units that make up a computer or any device working with the computer.
Define
Software
The instructions used to direct the operation of a computer. Generally categorised as either application or system (which includes utility).
