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Computer systems - Coggle Diagram
Computer systems
CPU cycle:Central Processing Unit
input
output
process
storage
FDE cycle
fetch
fetch instructions
decode
to decode instructions
execute
carry out instructions
Components of CPU
control unit
directs data around the computer
immediate access store
where the computer holds data
arithmetic logic unit
performs all calculations
clock speed
tracks how many times the FDE cycle has been completed every second
Hardware
any part of a computer the user can touch
software
can not be physically touched but can be displayed
operating system
manages the hardware and the rest of the software. Without it the computer cannot function
Application software
software the user wants to use.based on interest
utility software
used to clean organise and protect your computer to make sure its running somoothly
embedded system
a specific function in a larger system
cores
tiny CPUs which do different tasks
cache memory
stores frequently used instructions