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

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What is ‘multilevel queue scheduling’?

A. A CPU scheduling algorithm that partitions processes into multiple queues based on their priority and characteristics
B. A method for managing network traffic
C. The process of optimizing disk performance
D. A technique for improving system security

Answer: A CPU scheduling algorithm that partitions processes into multiple queues based on their priority and characteristics

What is ’round-robin scheduling’?

A. A CPU scheduling algorithm that assigns each process a fixed time slot in a cyclic order
B. A method for managing network traffic
C. The process of optimizing disk performance
D. A technique for improving system security

Answer: A CPU scheduling algorithm that assigns each process a fixed time slot in a cyclic order

What is ‘process state’?

A. The current status of a process, including whether it is running, waiting, or terminated
B. A method for managing network traffic
C. The process of optimizing disk performance
D. A technique for improving system security

Answer: The current status of a process, including whether it is running, waiting, or terminated

What is ‘priority scheduling’?

A. A CPU scheduling algorithm where processes are executed based on their priority levels
B. A method for managing disk storage
C. The process of optimizing network performance
D. A technique for handling user permissions

Answer: A CPU scheduling algorithm where processes are executed based on their priority levels

What is ‘process control block’?

A. A data structure used by the operating system to store information about a process, including its state and resources
B. A method for managing network traffic
C. The process of optimizing disk performance
D. A technique for handling user permissions

Answer: A data structure used by the operating system to store information about a process, including its state and resources

What is ‘resource allocation graph’?

A. A graphical representation of the resources allocated to processes and their dependencies
B. A method for managing disk storage
C. The process of optimizing network performance
D. A technique for improving system security

Answer: A graphical representation of the resources allocated to processes and their dependencies

What is ‘kernel space vs user space’?

A. Kernel space is where the operating system runs with full hardware access, while user space is where applications run with restricted access
B. Kernel space is for managing network traffic, while user space is for handling user permissions
C. Kernel space handles disk storage, while user space manages memory usage
D. Kernel space is for system security, while user space is for optimizing CPU performance

Answer: Kernel space is where the operating system runs with full hardware access, while user space is where applications run with restricted access

What is ‘CPU bound’?

A. A condition where the performance of a system is limited by its CPU processing power
B. A method for managing disk storage
C. The process of optimizing network performance
D. A technique for handling user permissions

Answer: A condition where the performance of a system is limited by its CPU processing power

What is ‘deadlock prevention’?

A. A strategy that ensures the system never enters a deadlock state by enforcing certain constraints
B. A method for optimizing disk storage
C. The process of managing user accounts
D. A technique for handling network traffic

Answer: A strategy that ensures the system never enters a deadlock state by enforcing certain constraints