Answer:
An operating system is a software that helps the any computers basic needs or functions. For example, the windows on a computer is a operating system.
Explanation:
U go in to the bar with i b u the is italics and u press it again and it will turn it off but u have to have the text selected
Answer:
This is the case of redundancy or the repeated data. It means that the same data is being repeated again and again. And its the wastage of time and memory both. The redundancy must be removed in all circumstances. However, we cannot as without it proper normalization of data is not possible.
Explanation:
The answer is self explanatory.