Answer:
The correct answer for the given question is "Computer virus"
Explanation:
A computer virus is a software program that is installed automatically without user's knowledge and designed to duplicate itself .The main purpose of computer virus is to harm the computer system.
Some of the points regarding computer virus
1.The computer virus contain malicious software Which harm the computer system.
2.It damage the computer computer system in such away that sometimes users will unable to access some certain functionality of computer system.
Answer:
boot the computer from the windows installation disk and run startup repair
Explanation:
Based on the scenario being described within the question it can be said that the best option in this situation would be to boot the computer from the windows installation disk and run startup repair. This will analyze all windows files and clean up any files or malicious software that does not belong in order for the system to be able to correctly boot into the operating system. Then from inside the operating system you can run a full diagnostic of the system.
Answer:
See explaination
Explanation:
Kleene's Theorem states that, in fact, these classes are the same: every regular language may be recognized by some FA, and every FA language may be represented using a regular expression.
Kindly check attachment for the step by step solution of the given problem.
Answer:
A merchant is a person who buys or sells goods in large quantities, especially one who imports and exports them.