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Digital Electronics - The 8051 Microcontroller

Exercise : The 8051 Microcontroller - General Questions
26.
This program code will be executed once:
STAT: MOV A, #01H
 JNZ STAT
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which of the following instructions will move the contents of register 3 to the accumulator?
MOV 3R, A
MOV R3, A
MOV A, R3
MOV A, 3R
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following statements will add the accumulator and register 3?
ADD @R3, @A
ADD @A, R3
ADD R3, A
ADD A, R3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Data transfer from I/O to external data memory can only be done with the MOV command.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following commands will move the number 27H into the accumulator?
MOV A, P27
MOV A, #27H
MOV A, 27H
MOV A, @27
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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