Answer:
The Python code with the function is given below. Testing and output gives the results of certain chosen parameters for the program
Explanation:
def first_last(seq):
if(len(seq) == 0):
return ()
elif(len(seq) == 1):
return (seq[0],)
else:
return (seq[0], seq[len(seq)-1])
#Testing
print(first_last([]))
print(first_last([1]))
print(first_last([1,2,3,4,5]))
# Output
( )
( 1 , )
( 1 , 5 )
Answer:
The correct answer to the following question will be Option A (Open source software).
Explanation:
It's a type of software which is open to all we can download that software by the free of cost. Wamp, Apache server is one of the example of the open source software.
Any software accessible for alteration which is circulated because of its source code is known as Open source software. Open source permissions influence the way technology is used, researched, updated, and circulated by individuals. In fact, it give permission to code users for using this software for whatever use might desire.
Which ensures it includes a developer authorization to modify the script in any manner they want to:
- Developers will patch glitches.
- Change features.
- Modify the app to suit their needs.
No other software available for the alteration is available in the option. So, the proper answer is Option A.
Answer: star
Explanation: A star network topology is an implementation of a spoke–hub distribution paradigm in computer networks. In a star network, every host is connected to a central hub. In its simplest form, one central hub acts as a conduit to transmit messages. The star network is one of the most common computer network topologies.
I think Academic is like books about subjects so educational and school library are like fun books enjoyable
Answer:
Malware is a type of software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system. Malware can be spread through email attachments, online advertisements, websites, and other methods.
Some signs that malware may be impacting the performance of your computer include:
- Your computer is running more slowly than usual
- Your computer crashes frequently
- Your computer has pop-up ads or other unwanted behavior
- Your default homepage or search engine has changed without your permission
- You see new icons or programs on your desktop that you didn't install
To avoid malware, you should be cautious when browsing the internet and avoid visiting suspicious websites. You should also avoid opening email attachments from unknown senders, and be wary of online advertisements. You can also protect your computer by using antivirus software and keeping it up to date.