Operating Systems MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Which of the following is used to prevent deadlock in a system?
A. Resource allocation graph
B. Banker's algorithm
C. Page replacement algorithm
D. FIFO scheduling
Answer: Banker's algorithm
What is the main purpose of virtual memory?
A. Increase the amount of physical memory available
B. Provide an abstraction of physical memory
C. Reduce the need for RAM
D. Enhance CPU performance
Answer: Provide an abstraction of physical memory
In which scheduling algorithm is the process selected based on the shortest remaining time?
A. Round Robin
B. Shortest Job First
C. Priority Scheduling
D. Shortest Remaining Time First
Answer: Shortest Remaining Time First
Which of the following is a key feature of a real-time operating system?
A. Time-sharing
B. Multi-tasking
C. Priority scheduling
D. Fast context switching
Answer: Priority scheduling
What is ‘data integrity’?
A. The protection of data from unauthorized modification or corruption
B. A method for encrypting data
C. A technique for managing network devices
D. A process for secure data backup
Answer: The protection of data from unauthorized modification or corruption