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Category Archives: Computer Organization & Architecture

Problem – Write a program to find 1’s and 2’s complement of 8-bit number where starting address is 2000 and the number is stored at… Read More
Problem – Write a program to subtract two 16-bit numbers where starting address is 2000 and the numbers are at 3000 and 3002 memory address… Read More
Problem – Write a program to add two 16-bit numbers where starting address is 2000 and the numbers are at 3000 and 3002 memory address… Read More
Logical instructions are the instructions which perform basic logical operations such as AND, OR, etc. In 8085 microprocessor, the destination operand is always the accumulator.… Read More
Problem – Write a program to multiply two 16-bit numbers where starting address is 2000 and the numbers are at 3000 and 3002 memory address… Read More
Problem – Write an assembly language program in 8085 microprocessor to find square root of a number. Example – Assumptions – Number, whose square root… Read More
Prerequisite – Flag register in 8085 microprocessor The Flag register is a Special Purpose Register. Depending upon the value of result after any arithmetic and… Read More
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… Read More
Memory is the most essential element of a computing system because without it computer can’t perform simple tasks. Computer memory is of two basic types… Read More
Problem – Write an assembly language program to add two 16 bit numbers by using: (a) 8 bit operation (b) 16 bit operation Example –… Read More
Problem – Write an assembly language program to count the number of ones in contents of register B and store the result at memory location… Read More
Problem – Write an assembly language program for calculating the factorial of a number using 8085 microprocessor. Example – Input : 04H Output : 18H… Read More
Problem – Write an assembly level program in 8085 microprocessor to exchange a block of 4 bytes starting from address 2001 with data starting from… Read More
Prerequisite – Binary to/from Gray Code Problem – Write an assembly language program in 8085 which convert an 8 bit number into grey number Example… Read More
Problem – Write an assembly language program in 8086 microprocessor to divide a 16 bit number by an 8 bit number. Example – Algorithm –… Read More

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