1. A keyboard has which type of asynchronous transfer mode ?
Serial
Parralel
Optimal
Joint
Answer: Option A
Explanation:
In serial transfer each bit is sent one after the another in a sequence of event and requires just one line.
2. Which register is memory pointer ?
Source index
Instruction register
Stack pointer
Program counter
Answer: Option D
3. 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) ;)
4. The unit which decodes and translates each instruction and generates the necessary enable signals for ALU and other units is called
ALU
Control Unit
CPU
Logical Unit
Answer: Option B
5. Which technique helps processor to run a program concurrently with input output operations ?