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ECE · Q167

Microprocessors And Microcontrollers

Engineering and GATE · ECE · question 167

Q167

On receiving an interrupt from an I/O device, the CPU

A.
Halts for a predetermined time
B.
Branches off to the interrupt service routine after completion of the current instruction
Answer
C.
Branches off to the interrupt service routine immediately
D.
Hands over control of address bus and data bus to the interrupting device

Answer: Option B

Solution

Answer: Option B
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