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Unformatted text preview: hitecture of CPUs with a small instruction set, fixed-length instructions, and
reduced references to memory to retrieve operands.
Redundant Array of Inexpensive Disks (RAID): See disk array.
Refresh rate: The number of times the electron beam of a display monitor scans
the entire screen per second.
Registers: Small, high-speed storage units, which are used to hold the information
on a temporary basis when there is an interpretation and execution of instructions
by the CPU. Data stored in a specific register have a special meaning to the CPU.
Relational database: A database model in which the data elements are organized in
the form of multiple tables and the data in one table is related to data in another
table through the use of a common field.
Reliability: Refers to the degree of tolerance of a system against errors and
component failures in the system.
Remote access: Accessing a computer from a distant station using communication
Remote dial-up connection: A method of connecting a computer to the Internet via
a gateway computer of an Internet service provider.
Report file: A file that holds a copy of a report generated by a data processing
application in computer-accessible form until it is convenient to print it.
Report generator: A software that enables the users of a database to design the
layout of a report so that it can be presented in the desired format.
Report Program Generator (RPG): A business oriented, general purpose
programming language designed to generate the output reports resulting from the
processing of common business applications.
Response time: The elapsed time between submission of a job to the system for
processing and the first response produced by the system for the job.
Ring network: A computer network in which there is no host computer for
controlling other computers and each computer in the network has communicating
subordinates. Rolling up: The process of viewing information from the detailed level (in the
hierarchy) to a higher level view of information.
Router: An internetworking t...
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- Spring '14