Which one of the following registers is used to keep track of the next instruction to be executed ........

Science and technology and computer Computers

Which one of the following registers is used to keep track of the next instruction to be executed ?

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EPFO AO EO 2021

Memory address register

Memory buffer register

Program counter

Memory data register

- Program Counter (Option 3) keeps track of the address of the next instruction to be executed by the CPU.

- Memory Address Register (Option 1) holds the memory location of data that needs to be accessed or stored.

- Memory Buffer Register (Option 2) temporarily stores data being transferred to or from memory.

- Memory Data Register (Option 4) also holds data being transferred to or from memory, acting as a buffer.

- So, the correct answer is Program Counter (Option 3) as it points to the next instruction.

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