1. What is the width of the address bus? (answer in terms of bits) 2. What is the size of MUX that should be used in the ALU? (format of answer : ?x?, no space in between symbols) 3. How many select lines does the MUX mentioned in problem 2 have?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Given the ISA of a very simple CPU
Instruction
Instruction Code
Operation
ACEAC + M[AAAAAAAA]
AC<AC ^ M[AAAAAAAA]
AC€AC v MAААААААА]
AC€ACÐ M[AAAAAAAA]
ADDM
00AAAAAAAA
ANDM
01 АAAAAAAА
ORM
10 АAAAAAAА
XORM
11AAAAAAAА
Note : AAAAAAAA – represent the memory address of the operand and A is a binary bit
Answer the following:
Note: Answers should be numeric symbols only (except number 4).
1. What is the width of the address bus? (answer in terms of bits)
2. What is the size of MUX that should be used in the ALU? (format of answer : ?x?, no space in between symbols)
3. How many select lines does the MUX mentioned in problem 2 have?
4. Is it possible to add another instruction to the ISA without changing the width/size of the components? (write yes or no)
5. How many programmer-accessable register does this CPU have?
Transcribed Image Text:Given the ISA of a very simple CPU Instruction Instruction Code Operation ACEAC + M[AAAAAAAA] AC<AC ^ M[AAAAAAAA] AC€AC v MAААААААА] AC€ACÐ M[AAAAAAAA] ADDM 00AAAAAAAA ANDM 01 АAAAAAAА ORM 10 АAAAAAAА XORM 11AAAAAAAА Note : AAAAAAAA – represent the memory address of the operand and A is a binary bit Answer the following: Note: Answers should be numeric symbols only (except number 4). 1. What is the width of the address bus? (answer in terms of bits) 2. What is the size of MUX that should be used in the ALU? (format of answer : ?x?, no space in between symbols) 3. How many select lines does the MUX mentioned in problem 2 have? 4. Is it possible to add another instruction to the ISA without changing the width/size of the components? (write yes or no) 5. How many programmer-accessable register does this CPU have?
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