INTRODUCTION TO COMPUTERS
COMPUTER ARCHITECTURE AND ORGANIZATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
During the execution of a program which gets initialized first?
|
|
MDR
|
|
|
IR
|
|
|
PC
|
|
|
MAR
|
Explanation:
Detailed explanation-1: -4. During the execution of a program which gets initialized first? Explanation: For the execution of a process first the instruction is placed in the PC.
Detailed explanation-2: -A control register is a processor register which changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control, and coprocessor control.
Detailed explanation-3: -26. Which of the following register is not used in opcode fetch operations? Explanation: Flag register is not used in opcode fetch operations. It is used to represent the status of ALU operation which is performed after decoding of the opcode.
There is 1 question to complete.