UGC NET CSE | June 2019 | Part 1 | Question: 37

Question

Select the true statement about an Operating System (OS)?

• A. An OS controls peripherals, allocates memory and organises data into fields and records
• B. An OS provides protection against viruses and controls peripherals
• C. An OS controls peripheral, and allocates memory and processor time
• D. An OS controls the procesor and peripherals and allows user to connect to the Internet

Answer 1

I most appropriate answer is C

But a,b also be true

Function of os

• Memory Management
• Processor Management
• Device Management
• File Management
• Security
• Control over system performance
• Job accounting
• Error detecting aids
• Coordination between other software and users.        https://www.geeksforgeeks.org/functions-of-operating-system/

  https://study.com/academy/lesson/the-role-of-operating-systems-in-security.html