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32 Cards in this Set
- Front
- Back
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Hardware
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physical part of computer
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software
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prgrams and data
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program
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series of instructions
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input/output devices
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lets user interact wit computer
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CPU
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hardware controls main activity of computer
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main memory
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hardware where programs and data are stored when they are needed by CPU
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secondary memory
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hardware storage devices which store info more or less permenantle
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OS
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collection of programms that includes user interface.
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user interface
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way the user interacts wit software system.
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GUI
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graphical user interface. software lets user interact wit a program thru images and point and click mechanism
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memory location
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where data is stored in main memory
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KB
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2^10 or 1024 bytes
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MB
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2^20 or 1 million byts
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GB
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2^30 or 1 billion bytes
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TB
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terabyte. 2^40 1 trillion byts
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Nonvolatile Memory
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memory thats not damaged or lost even after a pwer failure. ex. 2ndory memory
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Analog
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measurement that is in direct proportion to the source of the info
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application
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general term for any program
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Buttons
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GUI that lets user initiate an action
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Digital
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representation that breaks info down into piecies
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digitalized
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act of changing analog into digital
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Decimal
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the base-10 number system
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Binary
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base-2 number system-used by comps
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Bit
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a binary digit- either 0 or 1
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Bus
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group of wires in computer that carry date between components. ex: CPU & main memory
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peripherals
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any hardware device other than the CPU or Main Memory
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registers
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small storage area in the CPU
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LAN
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comp. network that spans short distances and connects a small number of computers
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Internet Address
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name that identifies a particular computer or device on the internet
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TCP/IP
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transmission control protocol / Internet protocol- software that controls messages crossing the internet
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WWW
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Software that makes the exchange of info across a network easier
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Browser
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Software that gets HTML documents across teh internet
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