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

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What is ‘I/O bound’?

A. A condition where the performance of a system is limited by its input/output operations
B. A method for managing memory usage
C. The process of optimizing disk performance
D. A technique for improving network security

Answer: A condition where the performance of a system is limited by its input/output operations

What is ‘message passing’?

A. The technique of sending messages between processes for inter-process communication
B. A method for managing disk performance
C. The process of optimizing memory usage
D. A technique for improving network security

Answer: The technique of sending messages between processes for inter-process communication

What is ‘system monitoring’?

A. The process of tracking and analyzing system performance and resource usage
B. A method for managing network traffic
C. The process of optimizing memory usage
D. A technique for handling user permissions

Answer: The process of tracking and analyzing system performance and resource usage

What is ‘shared memory’?

A. A memory segment that is accessible by multiple processes for inter-process communication
B. A method for managing disk storage
C. The process of handling network traffic
D. A technique for improving system security

Answer: A memory segment that is accessible by multiple processes for inter-process communication

What is ‘process migration’?

A. The technique of transferring a process from one machine to another
B. A method for managing network traffic
C. The process of optimizing memory usage
D. A technique for improving system security

Answer: The technique of transferring a process from one machine to another

What is ‘kernel thread’?

A. A thread managed by the kernel that has direct access to system resources
B. A method for managing disk storage
C. The process of optimizing network performance
D. A technique for handling user permissions

Answer: A thread managed by the kernel that has direct access to system resources

What is ‘user space’?

A. The memory area where user applications and processes run, isolated from system-level operations
B. A method for managing network traffic
C. The process of optimizing disk performance
D. A technique for improving system security

Answer: The memory area where user applications and processes run, isolated from system-level operations

What is ‘kernel space’?

A. The memory area where the operating system kernel runs with full access to system hardware
B. A method for optimizing disk performance
C. The process of managing network traffic
D. A technique for handling user permissions

Answer: The memory area where the operating system kernel runs with full access to system hardware

What is ‘system call interface’?

A. The interface through which user applications interact with the operating system services
B. A method for managing disk storage
C. The process of optimizing network performance
D. A technique for handling user permissions

Answer: The interface through which user applications interact with the operating system services