Previous 10 Questions — JECA MCA 2025
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Which of the following scheduling algorithms can work in both preemptive and non-preemptive modes?
Topic: JECA MCA 2025
In an operating system, a thread is best described as
Topic: JECA MCA 2025
In the process lifecycle, the queue where processes wait for CPU allocation is called the ______ queue.
Topic: JECA MCA 2025
Which one is not a part of Process Control Block (PCB)?
Topic: JECA MCA 2025
How many 2-input multiplexers are required to construct a 2^10-multiplexer?
Topic: JECA MCA 2025
The sequence of events that happen during a typical fetch operation is
Topic: JECA MCA 2025
Which of the following is not a valid characteristic of SRAM?
Topic: JECA MCA 2025
________ 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
Next 10 Questions — JECA MCA 2025
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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
Which Unix command will change the group ownership of the file report.txt to the group staff?
Topic: JECA MCA 2025
In Unix, user wants to change the priority of a running process, which is the suitable command?
Topic: JECA MCA 2025
In the OSI model, which layer is responsible for detecting errors caused during physical transmission?
Topic: JECA MCA 2025
In the TCP/IP model, ______ is responsible for determining the best path for data packets to travel across interconnect…
Topic: JECA MCA 2025
Which type of routing automatically changes its path selection based on current network conditions like congestion or l…
Topic: JECA MCA 2025
Which of the following protocols is connectionless and provides unreliable data delivery?
Topic: JECA MCA 2025
Which field in the IPv4 header helps uniquely identify fragments of a datagram so they can be reassembled correctly?
Topic: JECA MCA 2025
