IBCm

Question 1

Machine language

Answer 1

instructions represented as patterns of bits

Question 2

Fetch execute cycle

Answer 2

practically this…
ir = instruction register
pc = program counter

while(power is on) {
    IR := memory[PC]
    Increment PC by length of instruction
    execute instruction in IR
}

Question 3

iBCM has a how big accumulator

Answer 3

16 bit

Question 4

How many registers does ibcm have?

Answer 4

IR and PC

• Instructor register stores bits which encode instructor
• Program counter stores an address of an instruction