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The components of a computer - Coggle Diagram
The components of a computer
system bus (bus line)
Address bus
Transfer the source address or the destination address of data.
Control bus
Indicate the direction of the data transfer and coordinate the timing of the event during transfer.
Data bus
Transfer data and instructions.
peripherals
input peripherals
storage peripherals
communication peripherals
output peripherals
CPU
Control Unit
Registers
Status Register
General Purpose Registers
Control Registers
Arithmetic and Logic Unit
Measurement of CPU Speed
Measurement unit: megahertz(MHz) or gigahertsz(GHz)
1 hertz = 1 clock cycle per second
Measure speed of CPU
Machine Cycle
Decode
Identify the operation code and operands in an instruction.
Execute
Interpret the operation code and perform the required operation.
Fetch
Read the next instruction from the main memory into instruction register (IR).
Main Memory
Read-only Memory
Random access memory