1. A signal sent to the processor that disturbs the current process is called;
(A) Interrupt
(B) Test
(C) Acknowledge
(D) Ready
2. An interrupt that can be disabled by the programmer is called;
(A) None of these
(B) Non maskable
(C) Both a & b
(D) Maskable
3. An interrupt type which has lowest priority is;
(A) Divide Error
(B) Single Step
(C) NMI
(D) INTR
4. 8259A programmable interrupt controller can control hardware interrupts.
(A) 12
(B) 10
(C) 8
(D) 14
5. In 8086 microprocessor the following has the highest priority among all type interrupts.
(A) Type 255
(B) NMI
(C) DIV 0
(D) Overflow
6. Which interrupt represents division by zero situation.
(A) Type 2
(B) Type 1
(C) Type 0
(D) Type 3
7. INTR is a …………… interrupt.
(A) Maskable
(B) Non-Maskable
(C) Software
(D) None of these
8. Which IC is programmable interrupt controller?
(A) 8031
(B) 8259
(C) 8086
(D) 8051
9. An interrupt signal which is applied to pin of microprocessor is called;
(A) Software Interrupt
(B) Both a & b
(C) Hardware Interrupt
(D) None of these
10. INT 00 is a type of interrupt;
(A) Hardware
(B) Software
(C) NMI
(D) All of these
11. An interrupt signal which is applied in the form of an instruction is called;
(A) Hardware Interrupt
(B) Software Interrupt
(C) Both a & b
(D) None of these
12. NMI is a/an interrupt;
(A) Edge triggered
(B) Level triggered
(C) Both a & b
(D) None