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Computer organization mcqs basic operational concept
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Question 1 |
The decoded instruction is stored in .....
IR | |
PC | |
Registers | |
MDR |
Question 1 Explanation:
The instruction after obtained from the PC, is decoded and operands are fetched and stored in the IR.
Question 2 |
The instruction -> Add LOCA, R0 does .....
Adds the value of LOCA to R0 and stores in the temp register | |
Adds the value of R0 to the address of LOCA | |
Adds the values of both LOCA and R0 and stores it in R0 | |
Adds the value of LOCA with a value in accumulator and stores it in R0 |
Question 3 |
Which registers can interact with the secondary storage?
MAR | |
PC | |
IR | |
R0 |
Question 3 Explanation:
MAR can interact with secondary storage in order to fetch data from it.
Question 4 |
During the execution of a program which gets initialized first?
MDR | |
IR | |
PC | |
MAR |
Question 4 Explanation:
For the execution of a process first the instruction is placed in the PC.
Question 5 |
Which of the register/s of the processor is/are connected to Memory Bus?
PC | |
MAR | |
IR | |
Both PC and MAR |
Question 5 Explanation:
MAR is connected to the memory BUS in order to access the memory.
There are 5 questions to complete.