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32 Cards in this Set

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