SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1 ⋆ CSE Study247

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1

Questions 111-115 of 200

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Question 111

MCQ · Single Correct 1 mark

[Q.11] Which CPU scheduling algorithm suffers from the 'Convoy Effect'?

A First-Come, First-Served (FCFS) B Round Robin (RR) C Priority Scheduling D Shortest Job First (SJF)

Question 112

MCQ · Single Correct 1 mark

[Q.12] Belady's Anomaly occurs in which page replacement algorithm?

A First-In, First-Out (FIFO) B Optimal (OPT) C Least Recently Used (LRU) D Clock Algorithm

Question 113

MCQ · Single Correct 1 mark

[Q.13] What is the function of a 'Dirty Bit' (Modified Bit) in a page table entry?

A Indicates if a page is read-only B Indicates hardware bus errors C Indicates illegal memory access permissions D Indicates if a page has been modified since being loaded into main memory

Question 114

MCQ · Single Correct 1 mark

[Q.14] In operating systems, 'Thrashing' occurs when:

A The CPU frequency drops significantly B A deadlock occurs between two processes C Disk storage becomes completely full D The system spends more time paging than executing processes

Question 115

MCQ · Single Correct 1 mark

[Q.15] Which system call is used in Unix/Linux to create a new child process?

A fork() B exec() C wait() D exit()

SSC IMD Scientific Assistant 2026 Full-Length Master Mock Test-1

Question 111

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Question 112

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Question 113

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Question 114

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Question 115

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