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COMPUTER SYSTEM : HARDWARE (PROCESSOR (COMPONENTS (CONTOL UNI T,…
COMPUTER SYSTEM : HARDWARE
MEMORY
DEFINITION
:
Consists of electronic components that store instructions waiting to be executed by the processor
FUNCTIONS
Store Instructions waiting to be executed by the processor
Store data needed by those instructions
Store the results of processing the data
VOLATILE & NON VOLATILE
volatile
eg : RAM
non volatile
store data permanently
eg : ROM
MOTHERBOARD
DEFINITION
:
Main circuit board of the system
BASIC COMPONENT
1) Processor slot
2)Memory slot
3)Adapter card slot
PROCESSOR
DEFINITION
An electronic component on a computer's motherboard that interprets and carriesout the basic instructions that operate the computer
FUNCTIONS
Interprets and carriesout the basic instructions that operate the computer
COMPONENTS
CONTOL UNI T
ARITHMETIC LOGIC UNIT
MACHINE CYCLE DIAGRAM
INPUT & OUTPUT DEVICE
OUTPUT DEVICE
any types of hardware components that conveys informations to one or more people
eg : display device,printer,audio ooutput device,data projectors,
INPUT DEVICE
any hardware components that allows users to enter data and instructions into a computer
eg ; keyboard,pointing device,touch screen,pen input,game controllers
STORAGE
DEFINITION
storage holds data ,istructions,informations, for future use
TYPES OF STORAGE MEDIA
Magnetic storage
Optical disk
Flash memory
ADAPTER CARD
ADAPTER CARD
Fire wire , moderm , MIDI card , network card , sound card , usb , video , pc to tv converter , tv turner
FUNCTIONS
A circuit board that enhances functions of the computer of a system unit
Provides connections to other peripherals(external device)
