Microprocessor and interfacing Solve the question clearly

(1) Write an 8086 assembly language program and algorithm to calculate npr, where n=3 and r=2. Provide description for the mnemonics (5 marks) (ii) Write an algorithm and ALP which will input your last four digits of register number from the keyboard. If the addition of register number is even it should display - The username is valid, else it should display The username is Invalid. Provide description for the mnemonics. (5 marks) to check your submission