The most important reason we should make a backup of our files on a USB or other device is in case our computer suddenly dies. If something in it goes bad and it stops working, you will have then lost everything on your computer. But, if you make a save, you can buy another computer and upload everything onto the new one.
Answer:
D. Identify the problem.
Explanation:
There are six steps or stages in computer system troubleshooting. They are,
1. Identify the problem: In the stage of troubleshooting, the user is interviewed to get a description of the problem. Reproducing the problem is essential to confirm the described problem of the system before moving to the next stage.
2. Establish a theory of probable cause: when the problem is identified, a list of the possible cause of the problem is made.
3. Test the theory to determine a cause: each items on the list of possible cause of the problem is tested to confirm its actual cause.
4. Resolve the problem.
5. Verify full system functionality
6. Document the findings, actions and outcomes.
According to my opinion,
NO, I'd not feel comfortable.
Substitution ciphers in the world of encryption can be
cracked very easily. By looking for patterns like one letter words, double
letter patterns, and knowing rules such as all words must contain at least an
a, e, i, o, u or y, you are probably able to decipher this with so much ease. While
this information and the frequency of letters used in the encrypted message might
be helpful, it might not be a perfect process.
Answer:
all of them
Explanation:
but Virus can infect them if u plug them in infected computer .
.PPT is the extention for the files downloaded from Powerpoint.