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Luden [163]
4 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]4 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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You wish to enter your exam scores in a spreadsheet. Which function will help you find how each subject’s score relates to the o
tester [92]

Answer:

Its the VLookup and the HLOOKUP.

Explanation:

And it depends upon the manner in which the marks are mentioned. If they are mentioned in row then we use Hlookup, and if in columns then we use vlookup.

And the syntax for vlookup is :

vlookup(lookup value, range containing the lookup value, column number in range containing the return value, approximate 0 or exact value 1)

8 0
3 years ago
Which of the following sentences is accurate? a. PDF stands for "Proofreading Direct Files." b. PDF files cannot be edited. c. B
olga_2 [115]

Answer: Option (c) is correct

Explanation:

PDF is portable document format that come in form of file format .It is used for sharing and transmitting between computing and operating systems for viewing and printing in actual page layout. They can be used fro eBooks ,scanned document and text etc.

  • Other options are incorrect because not all business organization use PDF, PDF has the capability of being edited and it stands for "portable document format".
  • Thus, the correct option is option(c)
8 0
3 years ago
Why is network security important? Check all of the boxes that apply. A. Network security allows organizations to continue to fu
serious [3.7K]

Answer:

A. Network security allows organizations to continue to function.

C. Network security keeps intruders out of the network.

D. Network security prevents personal information from getting into the wrong hands.

Explanation:

Network security is a very important concept in networking. Mitigating cyber attacks like key logging, malicious software attacks, reconnaissance attacks, DOS attacks etc, have saved so many companies from bankruptcy and death.

Security in networks helps to prevent attackers from obtaining user personal information like Bank detail, health history etc.

5 0
3 years ago
NEED HELP FAST timed
Andrej [43]

ton

Answer:

piston - engine book

values- crackshaft rod

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3 0
3 years ago
To lose weight, you must _______.
sweet [91]

Answer:

B

Explanation:

because you need to exercise and eat or drink less calories

8 0
3 years ago
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