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Which of the following register of 8085 microprocessor is not a part of programming model ?
- a)Instruction register
- b)Memory address resister
- c)Status register
- d)Temporary data register
Correct answer is option 'C'. Can you explain this answer?
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Which of the following register of 8085 microprocessor is not a part o...
Explanation:
The programming model of 8085 microprocessor consists of various registers and their functions. These registers are used for various purposes during the execution of instructions. The given options are the registers of 8085 microprocessor, but one of them is not a part of the programming model. Let's discuss each option one by one:
a) Instruction register: It is a 8-bit register that stores the opcode of the instruction being executed. It is a part of the programming model as it is used to fetch the instruction from the memory.
b) Memory address register: It is a 16-bit register that stores the memory address of the data or instruction to be accessed. It is a part of the programming model as it is used to access the memory location.
c) Status register: It is an 8-bit register that stores the flags which are used to indicate the status of the arithmetic and logic operations. It is not a part of the programming model as it is not used directly in the execution of instructions.
d) Temporary data register: It is an 8-bit register that stores the temporary data during the execution of instructions. It is a part of the programming model as it is used to store the intermediate results of the operations.
Therefore, the correct answer is option 'C' i.e. Status register.
The programming model of 8085 microprocessor consists of various registers and their functions. These registers are used for various purposes during the execution of instructions. The given options are the registers of 8085 microprocessor, but one of them is not a part of the programming model. Let's discuss each option one by one:
a) Instruction register: It is a 8-bit register that stores the opcode of the instruction being executed. It is a part of the programming model as it is used to fetch the instruction from the memory.
b) Memory address register: It is a 16-bit register that stores the memory address of the data or instruction to be accessed. It is a part of the programming model as it is used to access the memory location.
c) Status register: It is an 8-bit register that stores the flags which are used to indicate the status of the arithmetic and logic operations. It is not a part of the programming model as it is not used directly in the execution of instructions.
d) Temporary data register: It is an 8-bit register that stores the temporary data during the execution of instructions. It is a part of the programming model as it is used to store the intermediate results of the operations.
Therefore, the correct answer is option 'C' i.e. Status register.
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Which of the following register of 8085 microprocessor is not a part of programming model ?a)Instruction registerb)Memory address resisterc)Status registerd)Temporary data registerCorrect answer is option 'C'. Can you explain this answer?
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