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Everything the computer does is overseen by the CPU- a single chip
gets software instruction from memory telling it what to do with the data Fetch
determines what the instruction means Decode
performs the instruction Execute
-Short term. Accepts new information for temporary storage Random access memory (ram)
-Long term. Information the computer uses again and again. Doesn’t accept new information cannot be changed Read only memory (rom)
-A type of rom that is used by the computer to establish when the computer first powers on Basic input/ output system (bios)
-Storing of frequently used data in extremely fast RAM that connects directly to the CPU Caching
-Space on a hard disc used to temporarily store data and swap it in and out of RAM as needed Virtual memory
-Solid state storage device. Retains data even after computer is turned off Flash memory
1024 bytes Kilobyte
1048576 bytes Megabytes
1073741824 bytes Gigabyte
1099511627776 bytes Terabyte
Absolutely vital to the operation of the computer power supply
This is a large capacity storage used to hold information such as programs and documents hard disk
The first thing loaded into the computer- without it a computer is useless operating system
The primary interface for the hard drives Integrated drive electronics controller
Very high speed connection used by the graphics card to interface with the computer Accelerated graphics port
Used to record and play audio by converting analog sounds to digital Sound card
translates image data from the computer into a format that can be displayed on the monitor Graphics card
graphics processing unit this can handle operations that normally would require the CPU too GPU
an interface that allows a computer to communicate with peripheral equipment Ports
every pc has a clock containing a vibrating crystal that al components synchronized properly Real time clock
allows a user to enter data into the computer to be processed Input devices
Created by: brendancb502