Previous 10 Questions — JECA MCA 2025
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________ contains firmware that boots the system.
Topic: JECA MCA 2025
Which of the following is the correct sequence of stages in a basic instruction pipeline?
Topic: JECA MCA 2025
What is the best case time complexity of deleting a node in a Singly Linked List?
Topic: JECA MCA 2025
What is a dequeue?
Topic: JECA MCA 2025
Which of the following points is/are not true about Linked List data structure when it is compared with an array?
Topic: JECA MCA 2025
What is the value of the postfix expression 6 3 2 4 + - *?
Topic: JECA MCA 2025
In a graph of n nodes and n edges, how many cycles will be present?
Topic: JECA MCA 2025
Which of the following represents postorder traversal of a binary tree?
Topic: JECA MCA 2025
Packet switching means:
Topic: JECA MCA 2025
What is the worst case time complexity to access an element in a binary search tree?
Topic: JECA MCA 2025
Next 10 Questions — JECA MCA 2025
Ascending by ID
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The sequence of events that happen during a typical fetch operation is
Topic: JECA MCA 2025
How many 2-input multiplexers are required to construct a 2^10-multiplexer?
Topic: JECA MCA 2025
Which one is not a part of Process Control Block (PCB)?
Topic: JECA MCA 2025
In the process lifecycle, the queue where processes wait for CPU allocation is called the ______ queue.
Topic: JECA MCA 2025
In an operating system, a thread is best described as
Topic: JECA MCA 2025
Which of the following scheduling algorithms can work in both preemptive and non-preemptive modes?
Topic: JECA MCA 2025
Which of the following is a deadlock avoidance algorithm?
Topic: JECA MCA 2025
Which type of fragmentation occurs inside allocated memory blocks?
Topic: JECA MCA 2025
Which of the following statements is true about paging and fragmentation?
Topic: JECA MCA 2025
Which command is used to find the number of lines, words and characters in a file in Unix?
Topic: JECA MCA 2025
