Arithmetic Instructions are the instructions which perform basic arithmetic operations such as addition, subtraction and a few more. Unlike in 8085 microprocess
Pin diagram of 8086 microprocessor is as given below: Intel 8086 is a 16-bit HMOS microprocessor. It is available in 40 pin DIP chip. It uses a 5V DC supply for
Logical instructions are the instructions which perform basic logical operations such as AND, OR, etc. In 8086 microprocessor, the destination operand need not
Prerequisite – Addressing modes, Addressing modes in 8085 microprocessor The way of specifying data to be operated by an instruction is known as addressing mo
Prerequisite – Flag register in 8085 microprocessor The Flag register is a Special Purpose Register. Depending upon the value of result after any arithmetic a
An interrupt is a condition that halts the microprocessor temporarily to work on a different task and then return to its previous task. Interrupt is an event or
There are 2 modes in 8255 microprocessor: 1. Bit set reset (BSR) mode – This mode is used to set or reset the bits of port C only, and selected when the most
1. Problem – Write the 8085 instructions which reset the accumulator. Solution – There are 4 instructions to reset the accumulator in 8085. These instructio
A microprocessor is a multipurpose, programmable, clock-driven, register-based electronic device that reads binary instructions from a storage device called mem
Prerequisite – Registers of 8085 microprocessor The Flag register is a Special Purpose Register. Depending upon the value of result after any arithmetic and l
Pin diagram of 8085 microprocessor is as given below: 1. Address Bus and Data Bus: The address bus is a group of sixteen lines i.e A0-A15. The address bus is un
Arithmetic Instructions are the instructions which perform basic arithmetic operations such as addition, subtraction and a few more. In 8085 microprocessor, the
Prerequiste – Addressing modes The way of specifying data to be operated by an instruction is called addressing mode. Types of addressing modes – In 8085 mi
Logical instructions are the instructions which perform basic logical operations such as AND, OR, etc. In 8085 microprocessor, the destination operand is always
Branching instructions refer to the act of switching execution to a different instruction sequence as a result of executing a branch instruction. The three type
8085 microprocessor support some Externally initiated operations, which are also known as Peripheral operations. Different external input/output devices or sign
Prerequisite – 8259 PIC Microprocessor 8251 universal synchronous asynchronous receiver transmitter (USART) acts as a mediator between microprocessor and peri
8259 microprocessor can be programmed according to given interrupts condition and it can be provided either with level or edge triggered interrupt level. It can
8259 microprocessor is defined as Programmable Interrupt Controller (PIC) microprocessor. There are 5 hardware interrupts and 2 hardware interrupts in 8085 and
Prerequisite – 8254 Control Register and Operating modes Problem – Write an assembly language program in 8085 microprocessor which generates 1 KHz square wa
8255 is a popularly used parallel, programmable input-output device. It can be used to transfer data under various condition from simple input-output to interru
A Microprocessor is an important part of a computer architecture without which you be able to perform any thing on your computer system. It is a programmable de
Bus is a group of conducting wires which carries information, all the peripherals are connected to microprocessor through Bus. Diagram to represent bus organiza
Prerequisite – Segmentation Segmentation is the process in which the main memory of the computer is divided into different segments and each segment has its o
A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC). The microprocessor is
