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Category Archives: Computer Organization & Architecture

General-purpose registers are used to store temporary data within the microprocessor. There are 8 general-purpose registers in the 8086 microprocessor.   1. AX: This is… Read More
Problem – Assembly level program in 8085 which converts a binary number into ASCII number. Example – Assumptions – Binary number which have to convert… Read More
Branching instructions refer to the act of switching execution to a different instruction sequence as a result of executing a branch instruction.  The three types… Read More
Problem – Write an assembly language program in 8085 to search a given number in an array of n numbers. If number is found, then… Read More
Problem – Write an assembly language program in 8085 microprocessor to find square of 8 bit number. Example – Assumption – Addresses of input data… Read More
Problem – Write an assembly language program in 8085 microprocessor to check whether the 8 bit number which is stored at memory location 2050 is… Read More
Problem: Write an assembly language program to swap two 8-bit numbers stored in an 8085 microprocessor.  Assumption: Suppose there are two 8-bit numbers. One 8-bit… Read More
Problem – Write an assembly language program to add three 16 bit numbers stored in register HL, DE, BC and store the result in DE… Read More
Problem – Write an assembly language program in 8085 microprocessor to access Flag register and exchange the content of flag register F with register B. … Read More
Problem – Write a program in 8086 microprocessor to sort numbers in ascending order in an array of n numbers, where size “n” is stored… Read More
Problem: Write an assembly language program in 8085 microprocessor to find the sum of digits of an 8-bit number.  Example:    Assumptions: Addresses of input… Read More
Problem – Write an assembly language code for calculating the nth power of a number using 8085 microprocessor. Example – Input : Base=>02H Exponent=>03H Output… Read More
A computer performs a task based on the instruction provided. Instruction in computers comprises groups called fields. These fields contain different information as for computers… Read More
Problem – Write an assembly level language program to convert 8 bit BCD number to its respective ASCII Code.  Assumptions – Starting address of program: 2000 Input… Read More
Problem – Write a program in 8086 microprocessor to find out the largest among 8-bit n numbers, where size “n” is stored at memory address… Read More

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