CIS 105 -- Survey of Computer Information Systems

Essential Concepts and Terminology -- Study Unit Five.

A multi-user, multi-tasking server operating system designed to work in a secure, centrally administered computer network.
Client/Server Architecture.
A network architecture in which processing is split between workstations (clients) and the server.
DOS (disk operating system) was the operating system software developed for 16-bit Intel processors and shipped with the first IBM PCs, and until the introduction of Microsoft Windows. DOS uses a command-line user interface.
Macintosh Computer (Mac).
A microcomputer platform manufactured primarily by Apple Computer Inc. and based on a proprietary architecture. Mac OS introduced the graphical user interface in 1984.
Protected Mode.
The processing mode introduced with Windows 3.0 that allows users to access virtually unlimited amounts of memory.
Windows 3.x.
MS-DOS applications that switch Intel processors into protected mode. The work with only 16 bits and use cooperative multitasking.
Windows 95.
A true operating system supporting 32-bit processing and featuring preemptive multitasking.
Windows 98.
An improved version of Windows 95 offering better stability, improved Internet connectivity and updated drivers for improved peripherals, including DVD-ROM and USB connections.
An operating system for Intel-based and other PCs that is a derivative of Unix and available as freeware.
File Manager.
Utility software, such as Windows Explorer, that helps users locate, rename, move, copy, and delete files.
A named collection of data (such as a computer program, document, or graphic) that exists on a storage medium.
The part of a filename indicating the type of data in a file. The extension follows the file-name and is separated from the filename by a period.
File Finder.
An operating system utility that enables searching a computer for files using a variety of criteria.
Backup Utility.
Programming that copies data from the hard disk to backup media, often incrementally at specified intervals.
Antivirus Software.
A computer program used to scan a computer's memory and disks to identify, isolate, and eliminate viruses.
File Compression.
A type of data compression that shrinks one or more files into a single file that occupies less storage space than the files did separately.


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