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Home/ Questions/Q 3790
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Sneha Singh
Sneha SinghLevel 40
Asked: October 24, 20212021-10-24T18:23:23+05:30 2021-10-24T18:23:23+05:30

Which Of The Following Statements Is True About Operating Systems?

Which Of The Following Statements Is True About Operating Systems?
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    1. Maryam Khalid Bronze
      2022-01-19T00:43:28+05:30Added an answer on January 19, 2022 at 12:43 am

      Which of the following statements is true about the operating system?

      1. The operating system is responsible for the scheduling of the process or threads access to I/O devices.
      2. The operating system is responsible for the scheduling of the process or threads’ run time to cores of the CPU.
      3. The inner arrival time of the packets is scheduled by the operating system.
      4. The process/threads are restricted by the operating system from entering into the memory.
      1. A and B.
      2. B and d.
      3. A, b, and c.
      4. A b, c, and d. 

      Answer: The correct answer is option 4. process schedule in an operating system is responsible for the schedule of the process as the running state, ready, and the waiting state.

      Operating system 

      The operating system is the system software that is used to store and manage the computer components resources and also give the service for various computer programs.it is the most essential part of the software system in the computer. the operating system handles all the application programs of the system after the boot program. The application program interface is used for service requests. The UI like the command line or graphical user interface helps in the direct connection with the operating system

      Reason to learn the operating system

      Operating act as the interface between the hardware and the user interface and perform many tasks such as file management. input-output device management, memory management manage the devices as the printer disk driver which are peripheral.

      Some of the operating system functions are listed below:

      • Memory management.
      • I/O device management.
      • Device management.
      • Processor management.
      • Security.
      • Job accounting.
      • Detection of the error.
      • Harmony between the user and the software.
      • Manage the performance of the system.
      • File management.

      Types of the operating system

      The types of the OS are described in the following:

      • General-purpose OS: It can install on various desktops platform, laptops and run the application. The main purpose is the management of the hardware and processes.
      • Mobile OS: the operating system is designed to meet the need of mobile devices.it can handle the data easily, be responsive, and be efficient in performance.
      • Embedded OS: It is present in embedded devices such as microwaves, car GPS. Embedded OS is specified to perform the assigned task with greater efficiency.
      • RTOS.
      • Network Operating system.

      Operating system versions:

      OS is available in many versions each with specific abilities as the Linux OS, windows OS, MS-DOS, android mobile OS, z/OS, AIX, OS/400, VMS, etc.

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