QUESTION 17 Understand the program and answer: cx, 80 .MODEL SMALL STACK 200h .CODE MAIN PROC mov mov ah, 2 mov TOP: int 21h loop TOP movah, 4ch int 21h MAIN ENDP END MAIN In the above given program the loop with be iterated to 0-79 1-80 both a and b are correct Only dl counter is valid Question Completion Status: QUESTION 15 The programs variables should be defined under which directive? .stack -model .data .code QUESTION 16 The processor memory buses are often because the device communicating is close. asynchronous synchronous interrupted none of these QUESTION 13 Which of the following has an unidirectional transport system? Control bus Data bus Address bus Memory management cannot be done QUESTION 14 Which of the following for the purpose of a buffer being used? that a set amount of data is going to be stored in order to preload that a set amount of data is going to be stored in order to display that a set amount of data is going to be stored in order to delete none of the above Click Save and Submit to save and submit. Click Save All Answers to save all our QUESTION 18 Dynamic RAM needs more space when compared to static RAM True False 2 points Save A QUESTION 19 an Esc or Walt instruction executes and no coprocessor is found, then which type of exception occurs? Type 3 3 Type 4 Type 5 Type 7 1 points Save An QUESTION 20 Which of the following determines whether or not the CPU is halted after each instruction? interrupt Trap direction flow QUESTION 21 Understand the following program and answer: .model small .stack 100h data msg1 db 'number is equal $' msg2 db 'number is not equal $' .code main proc mov ax, a data mov ds, ax mov dl,'3' mov ah, 1 int 21h cmp al,dl je 11 mov dx, offset msg2 mov ah.9 int 21h mov ah, 4ch int 21h 11: mov dx, offset msg1 mov ah, 9 int 21h mov ah, 4ch int 21h in the above program the data can be moved as mov ah, 9 int 21h mov ah, 4ch int 21h in the above program the @data can be moved as i. Only it can be moved to EX IL Only it can be moved to ds indirectly iii. Only it can be moved to ds directly iv. Only can be moved to ax and then to ds Statements i and ii are correct Statements ii and iii are correct Statement iii only correct Statement iv only correct