Which of the following is true?
1998
Which of the following is true?
Answer: A. Unless enabled, a CPU will not be able to process interrupts. — The correct statement is Option A because interrupts must be globally enabled in the CPU's control registers for the processor to acknowledge and process…
- A.
Unless enabled, a CPU will not be able to process interrupts.
- B.
Loop instructions cannot be interrupted till they complete.
- C.
A processor checks for interrupts before executing a new instruction.
- D.
Only level triggered interrupts are possible in microprocessors.
Attempted by 30 students.
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Correct answer: A
The correct statement is Option A because interrupts must be globally enabled in the CPU's control registers for the processor to acknowledge and process them. When interrupts are disabled, the CPU continues its standard execution and ignores all maskable interrupt requests.
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