Computer Concepts Exam Study for University of LA

Pages: 2 (272 words) Published: October 14, 2012
Computer Concepts Exam Study for University of LA

VoIP (Voice over Internet Protocol): Hardware, software, and protocols used to make call over the internet.

Convergence: Basically combining devices into one device, Ex) mp3 and cameras on cell phones. That’s convergence.

File: A named collection of data.

Digital: Discrete Data

Super Computer: The fastest and expensive computer

Analog Data: Continuous data

EBSDIC (Extended Binary Coded Decimal Interchange Code): A method by which computers represent character data.

Machine Code: Program instructions written in binary code that the computer can execute directly.

Registers: Area in microprocessors where data or instructions are moved so they can be processed.

Word Size: The number of bits a CPU can manipulate at one time.

Volatile: A term that describes data that can exist only with a power source.

Shareware: They have a trial but once its over, they need to pay for it.

Open source software: Software that includes the source data so programmers can modify and edit it.

Executable file: File containing instructions that tell a computer how to perform a specific task.

Multiuser Operating System: Allows a computer to deal with multiple processing requests.

Bootstrap Program: Loads and initializes operating system

Incremental Backup: A backup that contains files that changed since the last backup

Differential Backup: A copy of all the files that changed since the last full backup

HomePNA and HomePLC: HomePNA uses cables and HomePLC uses electricity wires.

WIMAX: Fixed wireless internet and range is 30 miles.

TCP: Responsible for establishing a data connection between two host and breaking data into packets.

Asymmetric internet connection: Downstream differs from upstream.

Symmetric Internet connection: both the same
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