INTRODUCTION TO MICROPEOCESSOR
MICRO PROCESSOR AND MICRO CONTROLLER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The program counter in 8085 microprocessor is a 16 bit register, because
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It counts 16 bits at a time
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There are 16 address times
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It facilitates user storing 16-bit data temporarily
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It has to fetch two 8 bit data at a time
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Explanation:
Detailed explanation-1: -The program counter acts as a pointer to the next instruction to be executed and always contains the 16-bit address of the memory location of next instruction. It is a 16 bit register as 8085 has 16 address lines.
Detailed explanation-2: -The function of the program counter is to point to the memory address of the next instruction to be executed. When an opcode is being fetched, the program counter is incremented by one to point to the next memory location.
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