Answer:
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:
i hope it helps:)
It sounds like you are looking for a network. If a node can not find a network to connect to, then it cannot connect.
1. To track inventory on excel you should have thorough knowledge on how it is used and different techniques and buttons behave on it. Tracking inventory may use formulas for example the total amount of items sold for the specific day. So where to right formulas and how to use them should be learned.
2.Track personal loan will take a little knowledge about the tool and again here also a little amount of formulas can be used and thus will need a little knowledge that where to write them but will need less knowledge than first one.
3.Evaluation of commitments will need a very low knowledge about tool and can be used easily.
4. Track a project It also need a little knowledge about the tool and will need least knowledge if compared with other options.
