CPU3- Little Man Computer Flashcards
1
Q
What is Little Man Computer
A
It is an instructional model of the von Neumann CPU (teach how computer operation works)
2
Q
Explain Fetch-Execute Cycle in Little Man Computer model.
A
Fetch : Little man receives value from program counter and fetch the instruction it needs to process
Decode: Little man decodes instruction and head over to memory to get necessary data to complete instructions
Execute: Little man follows instruction and perform task, program counter +1 for the next instruction
3
Q
What is opcode?
A
Opcode is an instruction code.
1 digit
In front
4
Q
What is operand?
A
Operand is an address code
2 digit
behind
