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Ashiyas Flash Cards

Operating Systems and Network Flash Cards

TermDefinition
Computer machine which can be programmed to control symbols
Personal Computer small, single-user computer; used in homes and businesses; based on a microprocessor
Work Station powerful, single-user computer; more powerful microprocessor than PCs
Microprocessor chip which is the master control circuit of a computer
Minicomputer multi-user computer designed to handle hundreds of users at the same time
Mainframe powerful, multi-user computer; can support hundreds or thousands of users simultaneously
Supercomputer extremely fast computer; can perform hundreds of millions of instructions every second
Operating System program which acts as a boundary between a computer user and the computer itself
Hardware physical and mechanical components of a computer such as the monitor, mouse, chips, keyboard, etc.
Software programs which direct the operation of computers; instructions for a computer
Real-time Operating System used for real-time applications such as thermostats, mobile phones, spacecrafts, etc
Single-user Single-task Operating System allows users to do only one thing at any given time
Single-user Multi-tasking Operating System allows the user to run several computer applications at the same time
Graphical User Interface allows users to operate computers without knowing the language used to communicate with an operating system
Multi-user Operating System allows multiple users to simultaneously use the programs on a single computer
Unix designed to be a small, flexible system for use by computer programmers
Computer Programmer a person who designs, writes and installs computer programs and applications
Linux variation of the Unix operating system
Source Code tags and instructions developed by the creator which tell the foundation of the system and how it was created
Network system for communication between two or more computers
Wireless Connection connects computers without the use of cables or wires
Electromagnetic Waves method of travel for information from computer-to-computer; consists of light waves, radio waves, microwaves, etc.
Local Area Network local, privately owned networks
Wide Area Network network which provides connections between computers in multiple locations
Metropolitan Area Network high-speed network designed to link together metropolitan size areas, campuses or school districts
Controlled Area Network used for real-time control operations
Personal Area Network covers the small area around a user’s workspace
Internet worldwide, publicly accessed network
Network Messaging allows users to send messages from one computer to another through the Internet
Server allows equipment such as fax machines, printers and files to be “served” to multiple computers
Firewall serves as a security device between a computer and Internet sites or between multiple computer networks
Transmission Control Protocol/Internet Protocol helps distinguish individual computers since there are millions on the Internet
Network Router hardware device connected to multiple channels for different networks through an interface
Network Interface Card device provides the physical connection between the network and the computer workstation
Network Switch device providing a central connection point for cable from workstations
Network Bridge device dividing traffic on a local area network
Transaction Processing System record and document all of a business’s recurring and routine transactions
Operating Information System plan and schedule production and assembly functions
Decision Support System make use of computing tools, mathematical and scientific modes of its analysis
Information System Security protecting a business or organization’s data assets
Created by: user-1883602
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