Exam Study Computer Concepts Essays

Exam Study Computer Concepts Essays Exam Study Computer Concepts Essay Exam Study Computer Concepts Essay 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