The following is an 8051 instruction: CJNE A,#'Q',AHEAD a. What is the opcode for this instruction? b. How many bytes long is this instruction? c. Explain the purpose of each byte of this instruction. d. How many machine cycles are required to execute this instruction? e. If an 8051 is operating from a 10 MHz crystal, how long does this instruction take to execute?

Systems Architecture
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ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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The following is an 8051 instruction:
CJNE A,#'Q',AHEAD
a. What is the opcode for this instruction?
b. How many bytes long is this instruction?
c. Explain the purpose of each byte of this instruction.
d. How many machine cycles are required to execute this instruction?
e. If an 8051 is operating from a 10 MHz crystal, how long does this instruction
take to execute?

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