Interrupts
1.

The interrupt-request line is a part of the ___________

A.  

Data line

B.  

Control line

C.  

Address line

D.  

None of the mentioned

2.

The return address from the interrupt-service routine is stored on the ___________

A.  

System heap

B.  

Processor register

C.  

Processor stack

D.  

Memory

3.

The signal sent to the device from the processor to the device after receiving an interrupt is ___________

A.  

Interrupt-acknowledge

B.  

Return signal

C.  

Service signal

D.  

Permission signal

4.

When the process is returned after an interrupt service ______ should be loaded again.

i) Register contents
ii) Condition codes
iii) Stack contents
iv) Return addresses

A.  

i, iv

B.  

ii, iii and iv

C.  

iii, iv

D.  

i, ii

5.

The time between the receiver of an interrupt and its service is ______

A.  

Interrupt delay

B.  

Interrupt latency

C.  

Cycle time

D.  

Switching time

6.

Interrupts form an important part of _____ systems.

A.  

Batch processing

B.  

Multitasking

C.  

Real-time processing

D.  

Multi-user

7.

A single Interrupt line can be used to service n different devices.

A.  

True

B.  

False

8.

______ type circuits are generally used for interrupt service lines.

i) open-collector
ii) open-drain
iii) XOR
iv) XNOR

A.  

i, ii

B.  

ii

C.  

ii, iii

D.  

ii, iv

9.

The resistor which is attached to the service line is called _____

A.  

Push-down resistor

B.  

Pull-up resistor

C.  

Break down resistor

D.  

Line resistor

10.

An interrupt that can be temporarily ignored is ___________

A.  

Vectored interrupt

B.  

Non-maskable interrupt

C.  

Maskable interrupt

D.  

High priority interrupt