Question

Which of the following is always there in a computer ?
A. Batch system
B. Operating system
C. Time sharing system
D. Controlling system

Answer 1

Answer:

Option B. Operating System is the correct answer.

Explanation:

Every computer system consists of an operating system.

The operating system is a system software that acts as an interface between the system and the users.

Operating system is responsible for many important tasks:

• memory management
• process management
• disk management
• security management

Thus, the correct answer here is option D. Operating System.