Q$1-$ What are the two architectures on which computers are based? $2$ Q$2-$ What is the difference between operating system and kernel? $2$ Q$-3$ Name the three on$-$chip resources and three on$-$board resources? $6$ Q$-4$ How many registers are there in CPU of S$12$ microcontrollers, what are their functions? $7$ Q$-5$ How many addressing modes are there? Explain each of them giving an example? $8$ Q$-6$ Write down instructions in assembly language which will perform the following operations: $8$ a$)-$ Compare two hex number $$5$F and $$52.$ How will you know the result of comparison? b$)-$ Subtract two hex number $$2$A and $$78.$ Where will be the result of subtraction? c$)-$ Multiply two hex number. Where will be the result of multiplication? d$)-$ Divide $CD by $A$.$ Where will be the quotient and where will be remainder? Q$7-$ Write any three directives. $3$ Q$8-$ How many files are created when an assembly language file is assembled? $2$ Q$9-$ Write a program in assembly language which will make a delay of $600$ microseconds? $5$ Q$10-$ Which ports of S$12$ are connected to dip switches, bar light emitting diode, and seven$-$segment displays? $6$ Q$11-$ Write down instructions in assembly language which will make Port H input port and Port B output port. $4$ Q$12-$ Write down instructions in assembly language which will display $7$ on extreme right seven$-$segment display of our board. $4$ Q$13-$ What is a vector address? Write down the vector addresses of PRINTF, GETCHAR, and PUTCHAR built$-$in subroutines or functions. $3$ Q$14-$ Read this assembly language program and write down what this program will do when it is run. $10$ ORG $$1000$ LDAA $$1025$ ROB CMPA #$AA BEQ SAM BCC CARL INCA BRA ROB CARL DECA BRA ROB SAM STAA $$1025$ SWI ORG $$1025$ FCB $CD END