Consider a CPU having 33 registers and uses 14 addressing modes. RAM is 32K × 48. The instruction has the operation code (op-code), register operand and a memory address operand fields. Which of the following is/are true?
1
Length data lines is 48 bits
2
maximum size of the register field is 5 bits
3
Memory Address field requires 15 bits
4
maximum size of the op-code is 23 bits