Q2: CPU Organization Consider the following Accumulator-based CPU instructions: LOAD D ; Acc  D (Load ACC with D) MUL E ; Acc   Acc * E ADD C ; Acc   Acc + C STORE R1 ; R1  Acc (Store Acc to R1) LOAD A ; Acc   A SUB B ; Acc   Acc-B DIV R1 ; Acc  Acc / R1   What is the equation that the above instructions evaluate? Write the equation.       Write Stack-based CPU instructions to evaluate that equation.             Write General Register-based CPU instructions (two-address instructions) to evaluate the equation.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Q2: CPU Organization

  • Consider the following Accumulator-based CPU instructions:
  1. LOAD D ; Acc  D (Load ACC with D)
  2. MUL E ; Acc   Acc * E
  3. ADD C ; Acc   Acc + C
  4. STORE R1 ; R1  Acc (Store Acc to R1)
  5. LOAD A ; Acc   A
  6. SUB B ; Acc   Acc-B
  7. DIV R1 ; Acc  Acc / R1

 

  • What is the equation that the above instructions evaluate? Write the equation.

 

 

 

  • Write Stack-based CPU instructions to evaluate that equation.

 

 

 

 

 

 

  • Write General Register-based CPU instructions (two-address instructions) to evaluate the equation.
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