You have to ask you teacher to show you which ones you got wrong and the answers to them.
Answer:
An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Explanation:
Answer:
Hacker
Explanation:
Hacker -
It refers to the computer software expert , who is responsible to break into the unauthorized networks or computer , is referred to as a hacker .
The hacker is skilled with exceptional computer and computer software knowledge .
Hacking is an illegal practice , as the person is able to access some confidential and personal data and information of any other person or organisation .
Hence , from the given information of the question ,
The correct term is hacker .
