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Ksenya-84 [330]
3 years ago
7

Downloading files is safe for most types of files except Select one: a. documents. b. pictures. c. executable files. d. music fi

les.
Computers and Technology
1 answer:
natka813 [3]3 years ago
3 0

Answer:

C. Executable Files.

Explanation:

Music files and picture or documents are simply and cant execute random things on your computer like a executable file does.

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Write a Python program which asks a user for a word and performs letters manipulation. If the word is empty, the program should
never [62]

Answer:

The program is as follows:

word = input("Enter a word: ")

if word:

   if len(word) <= 4:

       word = word[::-1]

   else:

       word = word[0]+word[1]+word[-2]+word[-1]

   print(word)

else:

   print('empty!')

Explanation:

This gets input for word from the user

word = input("Enter a word: ")

If input is not empty

if word:

This checks if the length is less than or equal to 4 characters

   if len(word) <= 4:

If yes, this reverses the word

       word = word[::-1]

If otherwise,

   else:

This gets the first, second, second to last two characters

       word = word[0]+word[1]+word[-2]+word[-1]

Print the new string

   print(word)

Print empty, if input is empty

<em>else: </em>

<em>    print('empty!')</em>

8 0
3 years ago
1. Explain the difference between a web browser and a search engine. (2 points)
Elan Coil [88]

Answer:

1. A browser is used to access websites and web pages whereas a search engine is used to search for particular information.

2. Indexing is the process by which search engines organise information before a search to enable super-fast responses to queries.

3.Search engines are used to find specialized data rapidly whereas web directory is used to find a list of different sites.

4. The working behind the PageRank algorithm is that a page with a large number of in- links(a link from an important page) to it, then its outgoing links to other pages also become important. It gives more importance to back links of a web page and propagates the ranking through links.

5. Look for Sites from Established Institutions 2. Look for Sites with Expertise 3. Steer Clear of Commercial Sites 4. Beware of Bias 5. Check the Date 6. Consider the Site's Look 7. Avoid Anonymous Authors 8. Check the Links

Explanation:

5 0
3 years ago
What type of maintenance can prevent the computer from breaking?
qwelly [4]
<span>The answer is, "Load anti-virus software".
</span>Anti-virus softwares are used to prevent computer from virus, as it name shows that are anti-virus means they prevent from virus. Anti virus softwares are also known as anti-malware software. These software work in such a way that they <span>prevent, detect and then remove viruses or </span><span>malicious software.</span>
3 0
3 years ago
Read 2 more answers
How long will it take to transfer 1GB data on USB 2.0, on USB 3.0
cupoosta [38]

Answer:

Have a great day, Here is the answer to your question:

It will take around 18 seconds

Explanation:

So in principle 1GB of data to be uploaded running at peak speed is suggested to take around 18 seconds but in fact, DCD test results show USB 2.0 takes 3 minutes 18 seconds to complete a 1GB switch. Whereas USB 3.0 can accommodate up to 5gbps of data transferred-more than 10 times faster than its predecessor.

8 0
3 years ago
How do you view a presentation as your audience would see it?
Nutka1998 [239]
<h3>Answer:</h3>

Option B is the correct answer.

=> By clicking slideshow button.

<h3>Explanation:</h3>

A view in which audience should see the presentation is the SLIDE SHOW VIEW.

Slide show can be started by clicking on the Slide show tab than choose one of the desired option/ways to SET UP SLIDE SHOW.

<h3>I HOPE IT WILL HELP YOU!</h3>
5 0
3 years ago
Read 2 more answers
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