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CPSC 457 Operating System Concepts Quiz

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Questions and Answers

What is the purpose of an operating system?

To perform mathematical calculations

To maintain data storage devices

To manage only the CPU

To provide an interface between the user and the hardware (correct)

Which component of the computer stores frequently accessed data to improve performance?

Kernel

Memoization (correct)

Direct Memory Access (DMA)

CPU

What is the main function of interrupts in computer systems?

To allocate resources to processes

To execute input/output operations (correct)

To handle errors during program execution

To manage process scheduling

What is the purpose of a Process Control Block (PCB) in an operating system?

To manage process states and scheduling information Signup and view all the answers

Which term refers to the proportion of time the CPU is busy executing a process?

CPU Utilization Signup and view all the answers

What is the primary reason for using threads in concurrent programming?

To enable parallelism and improve performance Signup and view all the answers

What term is used to describe a section of code that must not be executed by more than one thread at a time?

Critical Sections Signup and view all the answers

What term describes a situation where multiple threads try to access shared resources and the outcome depends on the timing of their execution?

Race Conditions Signup and view all the answers