Batch Operating System Quiz and Flashcards: Examples and Overview

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Questions and Answers

What is the main purpose of time-sharing technique in operating systems?

To prevent multiple users from accessing the system simultaneously

To allocate system resources exclusively to the user with the highest priority

To improve CPU utilization by allowing multiple users to share the system resources (correct)

To ensure each user has a dedicated CPU and memory for their tasks

Which of the following operating systems was dominant on personal computers using the Motorola 68000 CPU family?

Unix (correct)

macOS

Windows

MS-DOS

What is the primary advantage of using a multiprocessing operating system?

Enhanced network connectivity

Improved memory management

Better user interface and experience

Increased CPU utilization and throughput (correct)

Which technique is used by operating systems to allow multiple users to interact with the computer simultaneously?

Time-sharing Signup and view all the answers

What is the primary function of a network operating system?

To manage and coordinate network resources and services Signup and view all the answers

Which of the following techniques is commonly used by operating systems for efficient memory management?

Paging Signup and view all the answers

Which of the following is NOT a role of an operating system?

Managing network routing protocols Signup and view all the answers

Which of the following best describes the function of an operating system in creating an extended machine?

It creates a high-level abstraction of the hardware for programmers. Signup and view all the answers

Which of the following is an example of an operating system creating an extended machine abstraction?

Presenting a simplified view of named files that can be read and written. Signup and view all the answers

Which of the following is a key function of a multitasking operating system?

All of the above Signup and view all the answers

What is the primary role of a network operating system?

Handling network communications Signup and view all the answers

Which of the following is NOT a responsibility of an operating system in managing memory?

Performing arithmetic operations on memory addresses Signup and view all the answers

What is the primary purpose of a Batch OS according to the provided text?

To transfer control from one job to another as soon as a job completes Signup and view all the answers

Why does Batch Processing suffer from starvation?

Due to the possibility of high execution time for certain jobs leading to other jobs being starved Signup and view all the answers

Which of the following is an advantage of a resident monitor in a Batch OS?

It increases CPU efficiency by eliminating idle time between jobs Signup and view all the answers

Why is Batch Processing not suitable for jobs requiring user input?

Because the user is not present at the time of execution, leading to input dependencies Signup and view all the answers

In a Batch OS, what happens if a job with very high execution time is present in the batch?

It causes the other jobs to wait for an extended period or potentially be starved Signup and view all the answers

What role does the resident monitor play in a Batch OS's memory management?

Improving efficiency by residing in one part of the main memory Signup and view all the answers

Study Notes

Operating System Overview

The primary purpose of time-sharing technique is to allow multiple users to interact with the computer simultaneously.
The dominant operating system on personal computers using the Motorola 68000 CPU family is Mac OS.

Multiprocessing and Multitasking

The primary advantage of using a multiprocessing operating system is to increase processing power and improve system performance.
The primary function of a multitasking operating system is to switch the CPU between different tasks, creating the illusion that multiple tasks are running simultaneously.

Memory Management

A key technique used by operating systems for efficient memory management is paging.
One responsibility of an operating system in managing memory is to allocate memory to running programs.
However, deciding the optimal memory allocation strategy is NOT a responsibility of an operating system.

Network Operating System

The primary function of a network operating system is to provide shared access to resources such as files, printers, and devices.
The primary role of a network operating system is to manage and control access to network resources.

Batch Operating System

The primary purpose of a Batch OS is to automate the execution of jobs in batches, without user interaction.
Batch Processing suffers from starvation because some jobs may not get executed in a timely manner if there are other jobs with high priority or long execution times in the batch.
A resident monitor in a Batch OS has the advantage of providing a layer of abstraction between the operating system and the hardware.
Batch Processing is not suitable for jobs requiring user input because it is designed for automated execution without user interaction.
If a job with very high execution time is present in the batch, it may cause other jobs to wait for an extended period, leading to poor system performance.
The resident monitor plays a crucial role in a Batch OS's memory management by controlling memory allocation and deallocation for each job in the batch.

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Description

Learn about how batch operating systems work, including the concept of queuing jobs based on 'first come first serve'. Understand the role of resident monitors and how control is transferred between jobs.