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Luden [163]
3 years ago
14

What is meant by polling mode in communication between software andUART and what is its disadvantage as compared to interrupt mo

de.[
Computers and Technology
1 answer:
g100num [7]3 years ago
3 0

Answer and Explanation:

POLLING MODE: In polling mode in communication process the processor     continually check UART port for data instead of UART port signaling the process through an interrupt when data is ready as is done in interrupt mode.

 THE DISADVANTAGES AS COMPARED TO THE INTERRUPT MODE :

the disadvantages in polling mode is that the processor wastes time in checking the UART continually while in interrupt mode it is  doing useful task

until the UART interrupt this  

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What is the output of the following function call? //function body int factorial(int n) { int product=0; while(n > 0) { produ
maks197457 [2]

Answer:

zero

Explanation:

Because of the define the product variable is zero.

when the function call with pass by value 4.

The program control moves to that function, after that product

store the value zero. Then, product is multiply with n which become zero

because 0 * n is zero and store in the product again.

after that, n'' is wrong it must be 'n--' for performing the factorial function.

after that, the value of n is 3, again loop execute because condition n > 0

is true.

again zero multiply with n and become zero.

this process repeated until condition false and finally the output is zero.

Correction:

To make the code working:

change product = 1 instead of zero.

and change n-- in place of n''.  

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Which of the following is something that all computer models use in their calculations?
Rzqust [24]
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Answer:

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