Architecture

Question 1

What do these components make up?

• Input
• CPU {control unit, alu, registers (PC, IR, GR) }
• Memory
• Output

Answer 1

Von-Neuman Architecture

Question 2

Give an example of the flow of data and instructions on a von-neuman architecture

Answer 2

• Computer is turned on
• OS loaded into memory
• Instruction fetched & decoded
• Data fetched, alu used and the compute stored in register or memory
• CPU check for new input, process input or send to output devices depending on current PC instruction
• PC update, point to next instruction