Question

All the interrupts are enabled using a special function register called

(a) interrupt priority register

(b) interrupt register

(c) interrupt function register

(d) interrupt enable register

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Origin of the question is Interrupt and Stack of 8051 topic in section Microcontroller 8051 of Microprocessor

Answer 1

Right choice is (d) interrupt enable register

The explanation is: All the interrupts are enabled using a special function register called interrupt enable register (IE) and their priorities are programmed using another special function register called interrupt priority register(IP).