Operating Systems MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation

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What is ‘process deadlock’?

A. A situation where two or more processes are unable to proceed because each is waiting for resources held by the other
B. The condition when a process cannot find enough memory to continue execution
C. A state where processes are not able to access the CPU due to high contention
D. A scenario where processes fail to communicate properly

Answer: A situation where two or more processes are unable to proceed because each is waiting for resources held by the other

What is ‘system security’?

A. The measures and processes implemented to protect the system from unauthorized access and threats
B. A method for managing disk storage
C. The process of upgrading system software
D. A technique for handling user permissions

Answer: The measures and processes implemented to protect the system from unauthorized access and threats

What is ‘memory management unit’?

A. A hardware component responsible for managing memory access and allocation
B. A method for optimizing disk performance
C. The process of handling network traffic
D. A technique for securing system resources

Answer: A hardware component responsible for managing memory access and allocation

What is ‘multi-user operating system’?

A. An operating system that allows multiple users to access and use the system simultaneously
B. A method for optimizing disk performance
C. The process of managing network traffic
D. A technique for handling user permissions

Answer: An operating system that allows multiple users to access and use the system simultaneously

What is ‘process scheduling algorithm’?

A. The method or strategy used to decide the order in which processes are executed by the CPU
B. A technique for optimizing disk performance
C. The process of managing user accounts
D. A method for handling network traffic

Answer: The method or strategy used to decide the order in which processes are executed by the CPU

What is ‘system reboot’?

A. The process of restarting the computer to refresh system resources and apply updates
B. A method for managing network traffic
C. The process of upgrading system hardware
D. A technique for handling user permissions

Answer: The process of restarting the computer to refresh system resources and apply updates

What is ‘file system fragmentation’?

A. The condition where files are stored in non-contiguous blocks on the disk, leading to decreased performance
B. A method for managing disk storage
C. The process of handling user permissions
D. A technique for securing network connections

Answer: The condition where files are stored in non-contiguous blocks on the disk, leading to decreased performance

What is ‘system integrity’?

A. The state of maintaining the accuracy and consistency of the system's data and processes
B. A method for managing memory usage
C. The process of upgrading system software
D. A technique for optimizing network performance

Answer: The state of maintaining the accuracy and consistency of the system's data and processes

What is ‘system resource contention’?

A. The situation where multiple processes compete for limited system resources
B. A method for managing disk storage
C. The process of upgrading system firmware
D. A technique for handling user accounts

Answer: The situation where multiple processes compete for limited system resources