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Following are some statements associated with microprocessors. Identify the false statement.
- a)The control unit is the component of the CPU that implements the microprocessors instruction set.
- b)The instruction received by the CPU is decoded by the arithmetic logic unit.
- c)A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/ or for simple calculations.
- d)The control units are programmed and not hardwired.
Correct answer is option 'B'. Can you explain this answer?
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Following are some statements associated with microprocessors. Identif...
Instruction received by the CPU is decoded by control unit not by arithmetic unit.
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Following are some statements associated with microprocessors. Identif...
False Statement: The instruction received by the CPU is decoded by the arithmetic logic unit.
Explanation:
The arithmetic logic unit (ALU) is responsible for performing arithmetic and logical operations on the data stored in the CPU registers. It is a component of the CPU, but it does not decode instructions.
Let's break down the given statements and explain each one in detail:
a) The control unit is the component of the CPU that implements the microprocessor's instruction set.
- The control unit is responsible for managing and coordinating the activities of the CPU. It fetches instructions from memory, decodes them, and controls the operations of other components, such as ALU and registers, to execute the instructions.
b) The instruction received by the CPU is decoded by the arithmetic logic unit.
- This statement is false. The ALU does not decode instructions. It performs arithmetic and logical operations on the data, but the instruction decoding is the responsibility of the control unit.
c) A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/or for simple calculations.
- CPU registers are small, fast storage locations within the CPU. They are used to store data temporarily during processing. Registers are used for various purposes, including holding operands, intermediate results, and memory addresses.
d) The control units are programmed and not hardwired.
- This statement is true. The control unit is typically implemented using logic circuits, which can be programmed using microcode or firmware. The control unit interprets instructions and generates the appropriate control signals to manage the flow of data and control the operations of other CPU components.
In summary, the false statement is option 'b' because the instruction decoding is not performed by the arithmetic logic unit (ALU).
Explanation:
The arithmetic logic unit (ALU) is responsible for performing arithmetic and logical operations on the data stored in the CPU registers. It is a component of the CPU, but it does not decode instructions.
Let's break down the given statements and explain each one in detail:
a) The control unit is the component of the CPU that implements the microprocessor's instruction set.
- The control unit is responsible for managing and coordinating the activities of the CPU. It fetches instructions from memory, decodes them, and controls the operations of other components, such as ALU and registers, to execute the instructions.
b) The instruction received by the CPU is decoded by the arithmetic logic unit.
- This statement is false. The ALU does not decode instructions. It performs arithmetic and logical operations on the data, but the instruction decoding is the responsibility of the control unit.
c) A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/or for simple calculations.
- CPU registers are small, fast storage locations within the CPU. They are used to store data temporarily during processing. Registers are used for various purposes, including holding operands, intermediate results, and memory addresses.
d) The control units are programmed and not hardwired.
- This statement is true. The control unit is typically implemented using logic circuits, which can be programmed using microcode or firmware. The control unit interprets instructions and generates the appropriate control signals to manage the flow of data and control the operations of other CPU components.
In summary, the false statement is option 'b' because the instruction decoding is not performed by the arithmetic logic unit (ALU).
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Following are some statements associated with microprocessors. Identify the false statement.a)The control unit is the component of the CPU that implements the microprocessors instruction set.b)The instruction received by the CPU is decoded by the arithmetic logic unit.c)A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/ or for simple calculations.d)The control units are programmed and not hardwired.Correct answer is option 'B'. Can you explain this answer?
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Following are some statements associated with microprocessors. Identify the false statement.a)The control unit is the component of the CPU that implements the microprocessors instruction set.b)The instruction received by the CPU is decoded by the arithmetic logic unit.c)A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/ or for simple calculations.d)The control units are programmed and not hardwired.Correct answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Following are some statements associated with microprocessors. Identify the false statement.a)The control unit is the component of the CPU that implements the microprocessors instruction set.b)The instruction received by the CPU is decoded by the arithmetic logic unit.c)A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/ or for simple calculations.d)The control units are programmed and not hardwired.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Following are some statements associated with microprocessors. Identify the false statement.a)The control unit is the component of the CPU that implements the microprocessors instruction set.b)The instruction received by the CPU is decoded by the arithmetic logic unit.c)A CPU register is used to hold a binary value temporarily for storage, for manipulation, and/ or for simple calculations.d)The control units are programmed and not hardwired.Correct answer is option 'B'. Can you explain this answer?.
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