Operating Systems MCQs

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141. What is virtual memory?
A) A memory management technique that allows a process to use more memory than is physically available
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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142. What is thrashing?
A) A phenomenon that occurs when a system spends too much time swapping pages in and out of memory
B) A type of synchronization tool used in Operating Systems
C) A type of virus that attacks the kernel of an Operating System

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143. What is a preemptive scheduler?
A) A scheduler that can interrupt a running process and allocate resources to another process
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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144. What is a non-preemptive scheduler?
A) A scheduler that does not interrupt a running process until it completes or voluntarily relinquishes the CPU
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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145. What is a real-time operating system?
A) An operating system designed for applications that require a predictable response time
B) A type of synchronization tool used in Operating Systems
C) A type of virus that attacks the kernel of an Operating System

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146. What is a multi-user operating system?
A) An operating system that allows multiple users to access the system simultaneously
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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147. What is a multi-tasking operating system?
A) An operating system that allows multiple processes to run simultaneously
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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148. What is a distributed operating system?
A) An operating system that manages resources across multiple networked computers
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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149. What is a file system?
A) A method of organizing and storing files on a storage device
B) A type of synchronization tool used in Operating Systems
C) A type of device driver

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150. What is a device driver?
A) A software component that allows the Operating System to communicate with hardware devices
B) A type of synchronization tool used in Operating Systems
C) A type of memory used by the Operating System

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