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ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :
- a)Accumulator, temporary register, arithmetic and logic circuits.
- b)Accumulator, arithmetic, logic circuits and five flags.
- c)Accumulator, arithmetic and logic circuits.
- d)Accumulator, temporary resister, arithmetic, logic circuits & five flags
Correct answer is option 'D'. Can you explain this answer?
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ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)A...
It is one of the general purpose register of microprocessor also called as A register. The accumulator is an 8-bit register that is a part of arithmetic/logic unit (ALU). This register is used to store 8-bit data and to perform arithmetic and logical operations. The result of an operation is stored in the accumulator.
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ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)A...
The ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of:
The ALU (Arithmetic Logic Unit) is a crucial component of a microprocessor that performs arithmetic and logic operations. In the case of the 8085 microprocessor, the ALU consists of the following components:
1. Accumulator:
The accumulator is a special register that holds the intermediate results of arithmetic and logical operations. It is an 8-bit register and is the primary working register of the microprocessor.
2. Temporary Register:
The temporary register, also known as the Temporary Data Register (TDR), is an 8-bit register used to store data temporarily during arithmetic and logic operations. It assists in the execution of instructions that involve multiple steps.
3. Arithmetic Circuits:
The ALU includes various arithmetic circuits that perform mathematical operations such as addition, subtraction, multiplication, and division. These circuits are responsible for manipulating the data stored in the accumulator and temporary register to perform the desired arithmetic operation.
4. Logic Circuits:
The logic circuits in the ALU handle logical operations such as AND, OR, XOR, and NOT. These circuits manipulate the bits stored in the accumulator and temporary register according to the logical operation specified by the instruction being executed.
5. Flags:
The ALU also includes five flags that represent the status of the result of the previous arithmetic or logical operation. These flags are:
- Zero Flag (Z): Set when the result of an operation is zero.
- Sign Flag (S): Set when the result of an operation is negative.
- Carry Flag (CY): Set when there is a carry or borrow in an arithmetic operation.
- Parity Flag (P): Set when the result has an even number of 1s.
- Auxiliary Carry Flag (AC): Set when there is a carry or borrow between the lower and higher nibbles (4 bits) during an arithmetic operation.
These flags are used for decision-making and conditional branching in the program execution flow.
In conclusion, the ALU of an 8085 microprocessor consists of the accumulator, temporary register, arithmetic circuits, logic circuits, and five flags. These components work together to perform arithmetic and logical operations and provide status information through the flags.
The ALU (Arithmetic Logic Unit) is a crucial component of a microprocessor that performs arithmetic and logic operations. In the case of the 8085 microprocessor, the ALU consists of the following components:
1. Accumulator:
The accumulator is a special register that holds the intermediate results of arithmetic and logical operations. It is an 8-bit register and is the primary working register of the microprocessor.
2. Temporary Register:
The temporary register, also known as the Temporary Data Register (TDR), is an 8-bit register used to store data temporarily during arithmetic and logic operations. It assists in the execution of instructions that involve multiple steps.
3. Arithmetic Circuits:
The ALU includes various arithmetic circuits that perform mathematical operations such as addition, subtraction, multiplication, and division. These circuits are responsible for manipulating the data stored in the accumulator and temporary register to perform the desired arithmetic operation.
4. Logic Circuits:
The logic circuits in the ALU handle logical operations such as AND, OR, XOR, and NOT. These circuits manipulate the bits stored in the accumulator and temporary register according to the logical operation specified by the instruction being executed.
5. Flags:
The ALU also includes five flags that represent the status of the result of the previous arithmetic or logical operation. These flags are:
- Zero Flag (Z): Set when the result of an operation is zero.
- Sign Flag (S): Set when the result of an operation is negative.
- Carry Flag (CY): Set when there is a carry or borrow in an arithmetic operation.
- Parity Flag (P): Set when the result has an even number of 1s.
- Auxiliary Carry Flag (AC): Set when there is a carry or borrow between the lower and higher nibbles (4 bits) during an arithmetic operation.
These flags are used for decision-making and conditional branching in the program execution flow.
In conclusion, the ALU of an 8085 microprocessor consists of the accumulator, temporary register, arithmetic circuits, logic circuits, and five flags. These components work together to perform arithmetic and logical operations and provide status information through the flags.
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ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer?
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ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer?.
ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ALU (Arithmetic Logic Unit) of an 8085 microprocessor consists of :a)Accumulator, temporary register, arithmetic and logic circuits.b)Accumulator, arithmetic, logic circuits and five flags.c)Accumulator, arithmetic and logic circuits.d)Accumulator, temporary resister, arithmetic, logic circuits & five flagsCorrect answer is option 'D'. Can you explain this answer?.
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