Operating System Questions & Answers – Basics. … Explanation: An Operating System acts as an intermediary between user/user applications/application programs and hardware. It is a program that manages hardware resources.
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What is an operating system simple definition?
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. … Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.
What is operating system software examples?
- Mac OS.
- Microsoft Windows.
- Computer program.
- Palm OS.
- IBM OS/2.
- IBM OS/360.
What is Inter Process Communication Sanfoundry?
Explanation: Interprocess Communication (IPC) is a communication mechanism that allows processes to communicate with each other and synchronise their actions without using the same address space. IPC can be achieved using shared memory and message passing.
How many MCQs are there in Sanfoundry website?
We, at Sanfoundry have created 1 million+ multiple choice questions and answers (MCQs) which focuses on Science, Technology, Engineering and Mathematics (STEM) subjects.
What is the qualification of the founder of Sanfoundry?
Manish Kumar Bhojasia, a Technology Professional for 17+years, is Founder and CTO at Sanfoundry, a high end Technology Training company.
How does an OS work?
An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language.
What is OS and its types?
An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
What is the main function of OS?
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.
What are the five examples of operating system?
Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple’s iOS.
How many types of OS are there?
There are five main types of operating systems. These five OS types are likely what run your phone or computer.
What are the 4 types of operating system?
Following are the popular types of Operating System:
- Batch Operating System.
- Multitasking/Time Sharing OS.
- Multiprocessing OS.
- Real Time OS.
- Distributed OS.
- Network OS.
- Mobile OS.
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Which is fastest IPC?
The IPC shared semaphore facility provides process synchronization. Shared memory is the fastest form of interprocess communication. The main advantage of shared memory is that the copying of message data is eliminated.
What else is a command interpreter called?
Command interpreter is an important part of any operating system. It provides an interface between the user and the computer. A command interpreter is often also called a command shell or simply a shell.
What are two complementary deadlock prevention?
|Que.||Which are the two complementary deadlock-prevention schemes using time stamps ?|
|b.||The wait-n-watch scheme|
|c.||The wound-wait scheme|
|d.||The wait-wound & wound-wait scheme|
|Answer:The wait-die & wound-wait scheme|