Prerequisite – Base conversions, 1’s and 2’s complement of a binary number, 2’s complement of a binary string Suppose the following fragment of code, int… Read More
Category Archives: Computer Organization & Architecture
Problem – Write an assembly language program in 8085 microprocessor to divide two 16 bit numbers. Assumption – Starting address of program: 2000 Input memory… Read More
Problem – Write an assembly language program in 8085 microprocessor to subtract two 16 bit numbers. Assumption – Starting address of program: 2000 Input memory… Read More
Problem: Write an assembly language program in 8085 microprocessor to multiply two 16 bit numbers. Assumption: The starting address of program: 2000 Input memory location:… Read More
Transistor was invented in 1948 (23 December 1947 in Bell lab). IC was invented in 1958 (Fair Child Semiconductors) By Texas Instruments J Kilby. The… Read More
The parallel processing approach diverges from traditional Von Neumann architecture. One such approach is the concept of Systolic processing using systolic arrays. A systolic array… Read More
Intel x86 architecture has evolved over the years. From a 29, 000 transistors microprocessor 8086 that was the first introduced to a quad-core Intel core… Read More
Problem – Write an assembly language program in 8085 microprocessor to convert an 8 bit BCD number into hexadecimal number. Assumptions – Assume that starting… Read More
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 interrupt input-output.… Read More
Computer performance is the amount of work accomplished by a computer system. The word performance in computer performance means “How well is the computer doing… Read More
Prerequisite – 8259 PIC Microprocessor 8251 universal synchronous asynchronous receiver transmitter (USART) acts as a mediator between microprocessor and peripheral to transmit serial data into… Read More
Intel 8259 is a Programmable Interrupt Controller (PIC). There are 5 hardware interrupts and 2 hardware interrupts in Intel 8085 and Intel 8086 microprocessors respectively.… Read More
Problem – Interface 8255 with 8085 microprocessor and write an assembly language program to display 99 in Port A, 1’s complement of 99 in Port… Read More
Problem – Write a program in 8086 microprocessor to determine modulus of corresponding 8 bit n elements of first array with 8-bit n numbers of… Read More
Reduced Instruction Set Architecture (RISC) – The main idea behind this is to make hardware simpler by using an instruction set composed of a few basic… Read More
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