Assume you have a project with seven activities labeled A-G (following). Derive the earliest completion time (or early finish-EF
), latest completion time (or late finish -LF), and slack for each of the following tasks (begin at time = 0). Which tasks are on the critical path? Please answer fast please
Computing source- Through the operating system, users can communicate with computers to perform various functions such as arithmetic calculations and other significant tasks.
Safeguard Of Data- There’s a lot of user data stored on the computer. Windows Defender in Microsoft Windows detects malicious and harmful files and removes them. Also, it secures your data by storing them with a bit to bit encryption.
Resource Sharing- Operating systems allow the sharing of data and useful information with other users via Printers, Modems, Players, and Fax Machines. Besides, a single user can share the same data with multiple users at the corresponding time via mails. Also, various apps, images, and media files can be transferred from PC to other devices with the help of an operating system.
Disadvantages-
Expensive- It is costly.
System Failure- System failures may occur. If the central operating system fails, it will affect the whole system, and the computer will not work. If the central system crashes, the whole communication will be halted, and there will be no further processing of data.
Virus Threats- Threats to the operating systems are higher as they are open to such virus attacks. Many users download malicious software packages on their system which halts the functioning of OS and slow it down.
