Which of the following items is responsible for loading the operating system from the disk into the RAM?

What is responsible for loading the OS into RAM?

Explanation: The program that is responsible for loading the operating system into RAM is the bootstrap Loader program.

Which program is used to load operating system?

The operating system is loaded through a bootstrapping process, more succinctly known as booting. A boot loader is a program whose task is to load a bigger program, such as the operating system. When you turn on a computer, its memory is usually uninitialized.

What does the process of loading an operating system from disk to RAM called?

▶The process of loading the operating system into memory is called Booting.

Does OS load into RAM?

RAM doesn’t load the OS. RAM simply holds what is loaded. What loads the OS is the bootloader, and that is loaded by the system firmware, which will usually have its start address plopped at a location the CPU is hardcoded to look first to determine what to start out executing.

Which OS is also known as multitasking OS?

2) Co-operative Multitasking OS: It is also known as Non-Preemptive OS. In this OS, processes are preemptive after a fixed interval of time.

Two Types of Multitasking OS.

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Multitasking OS Multi-programming OS
• The concept used in modern computing. • The concept used in an old computer system.

What is an operating system and give examples?

What Are Some Examples of Operating Systems? Some examples of operating systems include Apple macOS, Microsoft Windows, Google’s Android OS, Linux Operating System, and Apple iOS. Apple macOS is found on Apple personal computers such as the Apple Macbook, Apple Macbook Pro and Apple Macbook Air.

How does an operating system start?

Startup sequence

  1. The CPU starts and fetches instructions into RAM from the BIOS, which is stored in the ROM.
  2. The BIOS starts the monitor and keyboard, and does some basic checks to make sure the computer is working properly. …
  3. The BIOS then starts the boot sequence.

What two tasks do operating systems carry out?

Figure 2: System Software

An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

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