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For computers based on three-address instruction formats, each address field can be used to specify which of the following:
(S1) A memory operand
(S2) A processor register
(S3) An implied accumulator register
- a)Either S1 or S2
- b)Either S2 or S3
- c)Only S2 and S3
- d)All of S1, S2 and S3
Correct answer is option 'A'. Can you explain this answer?
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For computers based on three-address instruction formats, each address...
Understanding Three-Address Instruction Formats
In three-address instruction formats, each instruction typically consists of three operands, allowing for greater flexibility in specifying sources and destinations for operations. The question addresses the types of address fields that can be specified in such instructions.
Address Field Options
- S1: A memory operand
Memory operands refer to locations in the computer's main memory where data can be stored or retrieved. In most three-address instruction formats, directly specifying a memory operand in an address field is often limited due to efficiency and complexity.
- S2: A processor register
Processor registers are small storage locations within the CPU that hold data temporarily during execution. Three-address formats can use address fields to specify registers, making it easier to execute operations without accessing slower memory.
- S3: An implied accumulator register
An accumulator is a specific register used in many architectures to store intermediate results of arithmetic and logic operations. In three-address formats, the accumulator is often implied, meaning it may not be explicitly specified as one of the address fields.
Conclusion: Why Option A is Correct
The correct answer is option 'A' (Either S1 or S2) because:
- Flexibility in Addressing: Three-address instructions predominantly allow the use of processor registers (S2) for efficient operations, while occasionally allowing memory operands (S1) to be specified.
- Efficiency Considerations: Using registers is generally preferred over memory operands because accessing registers is faster than accessing memory.
In summary, while S1 (memory operands) can sometimes be used, the primary focus in three-address instruction formats typically leans towards S2 (processor registers). Thus, option A accurately reflects the capabilities of three-address instruction formats.
In three-address instruction formats, each instruction typically consists of three operands, allowing for greater flexibility in specifying sources and destinations for operations. The question addresses the types of address fields that can be specified in such instructions.
Address Field Options
- S1: A memory operand
Memory operands refer to locations in the computer's main memory where data can be stored or retrieved. In most three-address instruction formats, directly specifying a memory operand in an address field is often limited due to efficiency and complexity.
- S2: A processor register
Processor registers are small storage locations within the CPU that hold data temporarily during execution. Three-address formats can use address fields to specify registers, making it easier to execute operations without accessing slower memory.
- S3: An implied accumulator register
An accumulator is a specific register used in many architectures to store intermediate results of arithmetic and logic operations. In three-address formats, the accumulator is often implied, meaning it may not be explicitly specified as one of the address fields.
Conclusion: Why Option A is Correct
The correct answer is option 'A' (Either S1 or S2) because:
- Flexibility in Addressing: Three-address instructions predominantly allow the use of processor registers (S2) for efficient operations, while occasionally allowing memory operands (S1) to be specified.
- Efficiency Considerations: Using registers is generally preferred over memory operands because accessing registers is faster than accessing memory.
In summary, while S1 (memory operands) can sometimes be used, the primary focus in three-address instruction formats typically leans towards S2 (processor registers). Thus, option A accurately reflects the capabilities of three-address instruction formats.
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For computers based on three-address instruction formats, each address field can be used to specify which of the following: (S1) A memory operand (S2) A processor register (S3) An implied accumulator registera)Either S1 or S2b)Either S2 or S3c)Only S2 and S3d)All of S1, S2 and S3Correct answer is option 'A'. Can you explain this answer?
Question Description
For computers based on three-address instruction formats, each address field can be used to specify which of the following: (S1) A memory operand (S2) A processor register (S3) An implied accumulator registera)Either S1 or S2b)Either S2 or S3c)Only S2 and S3d)All of S1, S2 and S3Correct answer is option 'A'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about For computers based on three-address instruction formats, each address field can be used to specify which of the following: (S1) A memory operand (S2) A processor register (S3) An implied accumulator registera)Either S1 or S2b)Either S2 or S3c)Only S2 and S3d)All of S1, S2 and S3Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For computers based on three-address instruction formats, each address field can be used to specify which of the following: (S1) A memory operand (S2) A processor register (S3) An implied accumulator registera)Either S1 or S2b)Either S2 or S3c)Only S2 and S3d)All of S1, S2 and S3Correct answer is option 'A'. Can you explain this answer?.
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