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Resource Sharing and Protection Mechanisms Quiz

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Questions and Answers

What mechanism must a protection mechanism in an operating system provide?

Distinguish between authorized and unauthorized usage (correct)
Load device drivers dynamically into the kernel
Increase system overhead for better performance
Implement all functionalities within the kernel

Which feature distinguishes the microkernel approach from the monolithic approach?

Removing unnecessary parts of the kernel and implementing them as user-level programs (correct)
Utilizing message passing for communication between components
Offering minimal process and memory management
Aggregating all functionalities within the kernel

What does the term 'protection' refer to in the context of operating systems?

Controlling access by programs, processes, or users to both system and user resources (correct)
The aggregation of device drivers into the kernel
The speed-up of computations in the OS
Enhanced data availability in the system

What is a disadvantage of the monolithic approach to structuring an operating system?

Poor performance due to increased system overhead of message passing (D) Signup and view all the answers

In the context of operating systems, what is a characteristic of a monolithic kernel?

Device drivers are loaded into the running kernel and become part of the kernel (C) Signup and view all the answers

What program reads and interprets control statements in an operating system?

Command-line interpreter (B) Signup and view all the answers

What is the primary purpose of the error detection service in an operating system?

To ensure correct and consistent computing by taking appropriate actions in case of errors (D) Signup and view all the answers

Why is resource allocation important in an operating system when multiple users are running concurrently?

To ensure fair distribution of resources among different users or jobs (C) Signup and view all the answers

What is the purpose of accounting as an additional service provided by an operating system?

To keep track of user resource usage for accounting purposes (B) Signup and view all the answers

Why is protection and security essential in a multiuser or networked computer system?

To control access to system resources and prevent interference between concurrent processes (C) Signup and view all the answers

What is the main purpose of memory management in a multitasking system?

To allow multiple jobs to be accommodated in memory efficiently (A) Signup and view all the answers

What is the primary purpose of a system call in an operating system?

To request a service from the operating system (B) Signup and view all the answers

How does debugging facilities provided by an operating system benefit users and programmers?

By improving their ability to efficiently use the system (C) Signup and view all the answers

In a Time Sharing System (TSS), how is the CPU utilized among several jobs?

Jobs are given an equal amount of CPU time one by one in sequence (C) Signup and view all the answers

What is a major disadvantage of a Multitasking/Time Sharing System (TSS)?

Security and integrity risks for user programs and data (B) Signup and view all the answers

How do multiprocessor systems differ from multitasking systems?

Multiprocessor systems involve more than one CPU working closely together (D) Signup and view all the answers

What does Multiprogramming lack compared to a Time Sharing System (TSS)?

Support for interaction with users (A) Signup and view all the answers

What is a key advantage of a Time Sharing System (TSS) over other systems?

Provides quick response to user interactions (A) Signup and view all the answers

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