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Computer Science -> Solved Exercise -> Class - 10th, Lesson No. 6 (Operating System)

CHAPTER - 6
OPERATING SYSTEM

Exercise


Points To Remember: --
  1. An operating system is a program that acts as an interface between the user and the computer hardware.
  2. Operating systems handle many kinds of activities from user programs to system programs like printer spooler, name servers, file servers etc. Each of these activities are encapsulated as a process.
  3. A file represents a collection of related information. Computers can store files on the disk (secondary storage), for long-term storage purpose.
  4. Time-sharing is a technique which enables many people, located at various terminals, to use a particular computer system at the same time.
  5. Real-time systems are used when there are rigid time requirements on the operation of a processor.
  6. Linux is one of popular version of UNIX operating system. It is open source as its source code is freely available.
  7. Computer security is the process of preventing and detecting unauthorised use of our computer.

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