Operating System Overview

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Questions and Answers

What is the primary goal of an operating system?

To manage external storage devices

To provide convenience for users (correct)

To allocate resources for network connections

To enhance graphics performance

Which of the following is NOT a function of the operating system?

Access to I/O devices

Program execution

Memory management

User interface design (correct)

How does an operating system provide controlled access to files?

Using a virtual reality interface for interactions

By restricting internet access to files only

By allowing users to change memory allocation settings

Through a directory hierarchy and file handling commands (correct)

What does the operating system do when an error is detected?

It constantly checks for possible errors and takes appropriate actions Signup and view all the answers

Which of the following tasks is NOT managed by the operating system?

Directly controlling I/O devices Signup and view all the answers

In a multitasking environment, how does the operating system facilitate communication between processes?

Through shared memory assignments Signup and view all the answers

What is an essential part of memory management in an operating system?

Tracking memory usage and deallocating it post-execution Signup and view all the answers

Which example does NOT represent a type of operating system?

MySQL Signup and view all the answers

Which of the following services is NOT typically provided by an operating system?

Web browsing Signup and view all the answers

How does an operating system manage resources effectively?

By multiplexing resources in time and space Signup and view all the answers

What is a primary advantage of a multiuser operating system?

It allows multiple users to share data and information. Signup and view all the answers

In the context of operating systems, what is a system call?

A mechanism for program interaction with the OS Signup and view all the answers

What function does an OS provide for file manipulation?

Create, read, write, and delete files Signup and view all the answers

Which hardware component is managed by the operating system?

Physical devices like printers and memory Signup and view all the answers

From the user's perspective, how can the operating system be viewed?

As an Extended Machine that simplifies programming. Signup and view all the answers

Which of the following describes inter-process communication in multitasking operating systems?

Operating systems provide mechanisms for information exchange among processes Signup and view all the answers

What service does an operating system provide for ensuring fair resource allocation?

Fair allocation of resources among multiple users or jobs Signup and view all the answers

What is a disadvantage of multiuser operating systems?

They can lead to privacy loss through information sharing. Signup and view all the answers

What does the OS do in terms of security?

It controls access to system resources and protects from external threats Signup and view all the answers

Which of the following roles does the user play in the context of an operating system?

Interacting with application programs to perform tasks. Signup and view all the answers

What does the operating system provide in terms of functionality for application programs?

Functionalities that applications can utilize to perform tasks. Signup and view all the answers

What is one of the key roles of the operating system in relation to hardware?

It hides the complexities of hardware from the users. Signup and view all the answers

Which statement is true regarding components of an operating system?

Users are at the top level and interact with applications via the OS. Signup and view all the answers

Study Notes

Operating System Overview

Course name: Operating System (2302CS401)
Course material: English
Diploma level: 4th Semester
Subject: Computer
Professor: Asha A. Gondaliya
Department: Computer Engineering
University: Darshan University

1.1 Operating Systems - Definitions (page 1)
1.2 Functions of OS (page 1)
1.3 Features of Operating System (page 1)
1.4 Types of Operating Systems
- 1.4.1 Batch Operating System (page 3, 4)
- 1.4.2 Multiprogramming Operating System (page 4, 5)
- 1.4.3 Time Sharing Operating System (page 6)
- 1.4.4 Single User OS (page 7)
- 1.4.5 Multiuser Operating System (page 7)
1.5 Components of Operating System (page 8)
1.6 Operating System Services
- 1.6.1 OS From User View (page 9)
- 1.6.2 OS: From System View (page 9)
1.7 System Calls (page 10, 11)
- 1.7.1 Types of System Calls (page 11)
1.8 System Programs (page 11, 12)
1.9 System Structure
- 1.9.1 Types of System Structure
  - 1.9.1.1 Monolithic Systems (page 12, 13)
  - 1.9.1.2 Layered Systems (page 13, 14)
  - 1.9.1.3 Virtual Machine (page 14)

List of Figures

Figure 1.1 Batch Operating System (page 4)
Figure 1.2 Multiprogramming Operating System (page 5)
Figure 1.3 Multiprogramming with three programs (page 6)
Figure 1.4 Components (page 8)
Figure 1.5 System Call (page 11)
Figure 1.6 Monolithic Kernel (page 13)
Figure 1.7 Layered System (page 14)

Unit-1, Introduction of Operating System

1.1 Definitions (page 4)
Goal of OS (page 4)
Examples of OS (page 4)
Functions of the operating system (page 4, 5)
- Program Development
- Program Execution
- Access to I/O devices
- Memory management
1.2 Features of Operating Systems (page 5)
- Interface between user and the computer
- Managing the Input / Output Device (I/O)
- Multitasking (page 6)
- Managing Memory (page 6)
- Managing System Files (page 6)
- Security (page 6)
- Booting
1.3 Operating System Features (page 5)
1.4 Types of Operating Systems
- Batch (page 6)
  - Advantages
  - Disadvantages
- Multiprogramming (page 7)
  - Advantages
  - Disadvantages
- Time-sharing (page 9)
  - Advantages
  - Disadvantages
- Single-user (page 10)
  - Advantages
  - Disadvantages
- Multiuser (page 10)
  - Advantages
  - Disadvantages
1.6 Operating System Services (page 12)
- User view
- System view
1.7 System Calls (page 13)
1.8 System Programs (page 14)
- File management
- Hardware operations
1.9 System Structures
- Monolithic
- Layered
- Client-server
Disadvantage of virtual machines (page 15)

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Description

This quiz covers fundamental concepts of operating systems as outlined in the course material for 4th semester Computer Engineering. Topics include definitions, functions, features, types, components, and services of operating systems. Test your knowledge on system calls and structure.