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Which one of the following addressing technique is not used in 8085 microprocessor ?
- a)Register
- b)Immediate
- c)Register indirect
- d)Relative
Correct answer is option 'D'. Can you explain this answer?
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Which one of the following addressing technique is not used in 8085 mi...
Addressing Techniques in 8085 Microprocessor
The 8085 microprocessor uses various addressing techniques to access the memory and input/output devices. The different addressing modes used in 8085 are:
1. Register Addressing Mode:
In this mode, the operand is specified in one of the registers of the 8085 microprocessor. The register addressing mode is used to access data stored in the registers or to store data in the registers.
2. Immediate Addressing Mode:
In this mode, the operand is specified directly in the instruction itself. The immediate addressing mode is used to perform operations on immediate data.
3. Direct Addressing Mode:
In this mode, the address of the operand is specified directly in the instruction. The direct addressing mode is used to access data stored in the memory.
4. Indirect Addressing Mode:
In this mode, the address of the operand is stored in a register. The register contains the address of the memory location where the operand is located. The indirect addressing mode is used to access data stored in the memory.
Not Used Addressing Technique
5. Relative Addressing Mode:
This addressing mode is not used in the 8085 microprocessor. The relative addressing mode is used to access data that is located at a fixed distance from the current memory location. It is used in some other microprocessors like 8086.
Conclusion
Thus, the correct option is (D) Relative addressing mode is not used in the 8085 microprocessor. The 8085 microprocessor uses other addressing modes like register, immediate, direct, and indirect addressing modes to access the memory and input/output devices.
The 8085 microprocessor uses various addressing techniques to access the memory and input/output devices. The different addressing modes used in 8085 are:
1. Register Addressing Mode:
In this mode, the operand is specified in one of the registers of the 8085 microprocessor. The register addressing mode is used to access data stored in the registers or to store data in the registers.
2. Immediate Addressing Mode:
In this mode, the operand is specified directly in the instruction itself. The immediate addressing mode is used to perform operations on immediate data.
3. Direct Addressing Mode:
In this mode, the address of the operand is specified directly in the instruction. The direct addressing mode is used to access data stored in the memory.
4. Indirect Addressing Mode:
In this mode, the address of the operand is stored in a register. The register contains the address of the memory location where the operand is located. The indirect addressing mode is used to access data stored in the memory.
Not Used Addressing Technique
5. Relative Addressing Mode:
This addressing mode is not used in the 8085 microprocessor. The relative addressing mode is used to access data that is located at a fixed distance from the current memory location. It is used in some other microprocessors like 8086.
Conclusion
Thus, the correct option is (D) Relative addressing mode is not used in the 8085 microprocessor. The 8085 microprocessor uses other addressing modes like register, immediate, direct, and indirect addressing modes to access the memory and input/output devices.
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Which one of the following addressing technique is not used in 8085 microprocessor ?a)Registerb)Immediatec)Register indirectd)RelativeCorrect answer is option 'D'. Can you explain this answer?
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