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In a 8085 microprocessor, the register which holds address of the next instruction to be fetched is
  • a)
    Accumulator
  • b)
    Program counter
  • c)
    Stack pointer
  • d)
    Instructor Register
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In a 8085 microprocessor, the register which holds address of the nex...
A program counter is a register in a computer processor that contains the address (location) of the instruction being executed at the current time. As each instruction gets fetched, the program counter increases its stored value by 1.
After each instruction is fetched, the program counter points to the next instruction in the sequence. When the computer restarts or is reset, the program counter normally reverts to 0.
In computing, a program is a specific set of ordered operations for a computer to perform. An instruction is an order given to a computer processor by a program. Within a computer, an address is a specific location in memory or storage.
A register is one of a small set of data holding places that the processor uses. Thus, option B is the correct answer.
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Most Upvoted Answer
In a 8085 microprocessor, the register which holds address of the nex...
Explanation:

  • The program counter (PC) is a 16-bit register in the 8085 microprocessor that holds the memory address of the next instruction to be executed.

  • After fetching an instruction, the PC is automatically incremented by one to point to the next instruction.

  • It always points to the next instruction to be executed in the memory.

  • The PC register is a critical component of the microprocessor that enables the processor to execute instructions in a sequential manner.

  • It plays a vital role in the execution of programs and ensures the correct flow of instructions in the program.

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In a 8085 microprocessor, the register which holds address of the next instruction to be fetched isa)Accumulatorb)Program counterc)Stack pointerd)Instructor RegisterCorrect answer is option 'B'. Can you explain this answer?
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