Question Detail

An exception condition in a computer system caused by an event external to the CPU is known as ?

Halt
Process
Interrupt
None of above

Answer: Option C

Explanation:

In my own experience I found very few questions with answer "None of above", if you do not know the answer then its always better to guess among other (If there is no negative marking) ;)

1. What is meaning of DMAC ?

Dual memory access controller
Direct memory access controller
Direct memory access computer
Direct memory accumulator controller

Answer: Option B

2. Which refers the execution of various software process concurrently ?

IOP
DCP
Multiprocessor
Serial Communication

Answer: Option C

3. I/O processor has direct access to ?

Main Memory
Secondary Memory
Flash Memory
ROM

Answer: Option A

4. User programs interact with I/O devices through ?

Operating System
Hardware
Buses
Processor

Answer: Option A

5. Instruction that are used for reading from memory by an IOP called ?

Commands
Pulses
Blocks
Interrupt

Answer: Option A