Start Copy the PC to the MAR Copy the contents of memory at address MAR to IR; Increment PC by 1 Decode the instruction and place bits IR[11-0] in MAR Yes No Instruction requires operand? Copy the contents of memory at address MAR to MBR Execute the instruction FIGURE 4.11 The Fetch-Decode-Execute Cycle Has an Yes No interrupt been issued? Process the interrupt Perform fetch- decode-execute cycle FIGURE 4.12 Fetch-Decode-Execute Cycle with Interrupt Checking
Start Copy the PC to the MAR Copy the contents of memory at address MAR to IR; Increment PC by 1 Decode the instruction and place bits IR[11-0] in MAR Yes No Instruction requires operand? Copy the contents of memory at address MAR to MBR Execute the instruction FIGURE 4.11 The Fetch-Decode-Execute Cycle Has an Yes No interrupt been issued? Process the interrupt Perform fetch- decode-execute cycle FIGURE 4.12 Fetch-Decode-Execute Cycle with Interrupt Checking
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...
Related questions
Question
Combine the flowcharts that appear in Figures 4.11 and 4.12 so that the interrupt checking appears at a suitable place.
![Start
Copy the PC to
the MAR
Copy the contents of
memory at address
MAR to IR;
Increment PC by 1
Decode the instruction and
place bits IR[11-0] in
MAR
Yes
No
Instruction
requires
operand?
Copy the contents of
memory at address
MAR to MBR
Execute the
instruction
FIGURE 4.11 The Fetch-Decode-Execute Cycle](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc71590e-ac89-4919-8241-33245756139d%2Fdb52072f-5077-4307-a03e-d12e85a263dc%2Fflrh9wl.jpeg&w=3840&q=75)
Transcribed Image Text:Start
Copy the PC to
the MAR
Copy the contents of
memory at address
MAR to IR;
Increment PC by 1
Decode the instruction and
place bits IR[11-0] in
MAR
Yes
No
Instruction
requires
operand?
Copy the contents of
memory at address
MAR to MBR
Execute the
instruction
FIGURE 4.11 The Fetch-Decode-Execute Cycle
Transcribed Image Text:Has an
Yes
No
interrupt been
issued?
Process the
interrupt
Perform fetch-
decode-execute
cycle
FIGURE 4.12 Fetch-Decode-Execute Cycle with
Interrupt Checking
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