## What are the arithmetic operations in microprocessor?

Arithmetic instructions in 8085 microprocessor

Opcode | Operand | Explanation |
---|---|---|

ADD | R | A = A + R |

ADD | M | A = A + Mc |

ADI | 8-bit data | A = A + 8-bit data |

ADC | R | A = A + R + prev. carry |

**What is arithmetic and logic unit in 8085 microprocessor?**

ALU – Arithmetic & Logic Unit. ALU of 8085 performs 8-bit arithmetic & logical operations. The operations are generally performed with Accumulator as one of the operands. The result is saved in accumulator register.

### How many basic arithmetic operations are there in 8085?

The 8085 performs four types of arithmetic instructions, as shown in the table below. Here r -> register; M -> Memory (HL register pair); data -> direct data; rp -> any of the three register pairs.

**What are logical operations in 8085?**

Microprocessor – 8085 Logical Instructions

Opcode | Operand | Meaning |
---|---|---|

ANA | R M | Logical AND register or memory with the accumulator |

ANI | 8-bit data | Logical AND immediate with the accumulator |

XRA | R M | Exclusive OR register or memory with the accumulator |

XRI | 8-bit data | Exclusive OR immediate with the accumulator |

## What is arithmetic and logical instruction?

The arithmetic instructions define the set of operations performed by the processor Arithmetic Logic Unit (ALU). The arithmetic instructions are further classified into binary, decimal, logical, shift/rotate, and bit/byte manipulation instructions.

**How many logical instructions 8085 has listed?**

8085 has 246 instructions. Each instruction is represented by an 8-bit binary value. These 8-bits of binary value is called Op-Code or Instruction Byte.

### What are the internal data operations performed by 8085 and which components are used for these?

8085 Microprocessor – Functional Units

- Accumulator. It is an 8-bit register used to perform arithmetic, logical, I/O & LOAD/STORE operations.
- Arithmetic and logic unit.
- General purpose register.
- Program counter.
- Stack pointer.
- Temporary register.
- Flag register.
- Instruction register and decoder.

**What is the function of following units in 8085 microprocessor I arithmetic logic unit?**

1) The arithmetic and logic unit is 8-bit unit. 2) It performs arithmetic, logic and rotate operations. 5) Accumulator, temporary register and flag register are closely associated with A.L.U. 6) The temporary register is used to hold data during an arithmetic/ logic operation.

## What is arithmetic logic instruction?

**What are arithmetic and logical instructions?**

### What are arithmetic operations performed by?

An arithmetic operation is specified by combining operands with one arithmetic operator. Arithmetic operations can also be specified by the ADD, SUBTRACT, DIVIDE, and MULTIPLY built-in functions….Arithmetic operations.

Operator | Operator name |
---|---|

+ | Addition |

– | Subtraction |

* | Multiplication |

⁄ | Division |

**What are the different operations in arithmetic group instructions?**

6-1 Arithmetic and logical groups: The arithmetic group includes instructions for the addition, subtraction, multiplication, and division operations. The state that results from the execution of an arithmetic instruction is recorded in the flags register.

## How do logical instructions work in 8085 microprocessors?

In Intel’s 8085 microprocessor, the destination operand for the instructions is always the accumulator register. Here, the logical operations work on a bitwise level. The corresponding result is also stored in the accumulator register. Let’s take a look at the summary of all the logical instructions before we take a closer look at each of them.

**What are the arithmetic operations performed by 8085 microprocessor?**

The 8085 microprocessor performs various arithmetic operations, such as addition, subtraction, increment, and decrement. These arithmetic operations have the following mnemonics.

### What is arithmetic instructions in microprocessor?

Arithmetic Instructions are the instructions which perform basic arithmetic operations such as addition, subtraction and a few more. In 8085 microprocessor, the destination operand is generally the accumulator. In 8085 microprocessor, the destination operand is generally the accumulator.

**What is the destination operand of 8085 microprocessor?**

In 8085 microprocessor, the destination operand is generally the accumulator. In 8085 microprocessor, the destination operand is generally the accumulator. Following is the table showing the list of arithmetic instructions: Writing code in comment?