COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
True
|
|
|
False
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -The program counter holds the memory address of the next instruction to be executed, whereas, the address of the instruction in execution is stored in Memory Address Register (MAR).
Detailed explanation-2: -The program counter (PC) is a register that manages the memory address of the instruction to be executed next.
Detailed explanation-3: -What is true about the Program counter? It is an 8-bit register, which holds the temporary data of arithmetic and logical operations. It is a 16-bit register used to store the memory address location of the next instruction to be executed.
Detailed explanation-4: -A program counter is a register in a computer processor that contains the address (location) of the instruction being executed at the current time.
Detailed explanation-5: -The program counter contains the address of the next instruction. The program counter is usually the same width (number of bits) as the address bus. It is quite common in computer systems to have more memory space than actual memory. If 13 only bits were used, the memory could contain 8K instructions.