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Operating Systems Overview

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Questions and Answers

What is the primary role of an operating system?

To manage computer memory and storage devices
To provide a user-friendly graphical interface
To serve as an interface between user applications and computer hardware (correct)
To compile and execute software programs

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

Memory management
File management
Process scheduling
Compiler optimization (correct)

What is the purpose of the file management component in an operating system?

To manage and coordinate access to files and directories (correct)
To schedule and execute user programs
To control and manage input/output devices
To allocate and deallocate memory for running processes

Which of the following is a key responsibility of the security component in an operating system?

Controlling access to system resources and data (C) Signup and view all the answers

What is the purpose of job accounting in an operating system?

To monitor and record system resource usage by different processes or users (A) Signup and view all the answers

In a batch operating system, what is the role of the operator?

To group similar jobs into batches based on their requirements (A) Signup and view all the answers

What is a key advantage of batch operating systems?

Processors know the expected completion time of jobs in the queue (C) Signup and view all the answers

Which of the following is a disadvantage of batch operating systems?

Computer operators need to be well-trained and knowledgeable (C) Signup and view all the answers

What is the purpose of time-sharing or multitasking operating systems?

To allocate time slices (quanta) to each task for execution (A) Signup and view all the answers

What is a key advantage of time-sharing operating systems?

Each task gets an equal opportunity to execute (A) Signup and view all the answers

Which of the following is NOT an advantage of time-sharing operating systems?

Easy to manage large work repeatedly (B) Signup and view all the answers

What is the primary advantage of time-sharing systems?

Reduced hardware costs and increased efficiency through resource sharing (B) Signup and view all the answers

Which of the following is a disadvantage of time-sharing systems?

Higher overhead due to scheduling and context switching (A) Signup and view all the answers

What is the primary purpose of a multi-programming operating system?

To execute multiple programs concurrently on a single CPU (A) Signup and view all the answers

What is the primary advantage of a multi-processing operating system?

Increased system throughput due to the use of multiple CPUs (D) Signup and view all the answers

What distinguishes a multi-tasking operating system from a multi-programming operating system?

Multi-tasking systems use round-robin scheduling to run multiple programs simultaneously (C) Signup and view all the answers

Which of the following is a disadvantage of multi-processing operating systems?

Higher system complexity due to the use of multiple CPUs (B) Signup and view all the answers

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