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Category Archives: Computer Organization & Architecture

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 –Attention reader! Don’t stop learning now. Get… 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 –Attention… 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 –Attention reader! Don’t stop learning now. Get… Read More
Problem – Write an assembly level program in 8085 microprocessor to exchange a block of 4 bytes staring 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 – Attention reader!… Read More
Time required to execute and fetch an entire instruction is called instruction cycle. It consists: Fetch cycle – The next instruction is fetched by the… Read More
Prerequisite – Registers of 8085 microprocessor The Flag register is a Special Purpose Register. Depending upon the value of result after any arithmetic and logical… Read More
A microprocessor is a multipurpose, programmable, clock-driven, register-based electronic device that reads binary instructions from a storage device called memory, accepts binary data as input… Read More
Problem – Multiply two 8 bit numbers stored at address 2050 and 2051. Result is stored at address 3050 and 3051. Starting address of program… Read More