15.船舶互見時，若採取倒俾後退行動，可鳴放下述何者之音響信號以表示之？
(A)五短聲
(B)二長聲
(C)三短聲
(D)一短一長聲

5. 船舶互見時，若採取倒俥後退行動，可鳴放下述何者之音響信號以表示之？ (A)五短聲 (B)二長聲 (C)三短聲 (D)一短一長聲

8. 船舶互見時，若採取倒俥後退行動，可鳴放下述何者之音響信號以表示之？(A)五短聲(B)二長聲(C)三短聲(D)一短一長聲

1. What type of memory is volatile and loses data when power is off?(A)Random-access Memory (B)Read-only Memory(C)Solid-state Disk (D)Hard Disk

2. For the operation system, which of the following statement is NOT True?(A) The device manager is responsible for access to I/O devices.(B) To prevent deadlock, an operating system can put resource restrictions on processes.(C) Partitioning is multi-programming with swapping.(D) Starvation can occur if a process has too many resource restrictions.

3. What Boolean operation does the circuit compute? (A) X = A NAND B (B) X = A NOR B(C) X = A AND B (D) X = A OR B

4. Which the following is an application software?(A) Windows (B) Ubuntu(C) Photoshop (D) BIOS

5. The goals of information security are _____.(A) confidentiality, encryption, and decryption(B) confidentiality, integrity, and availability(C) confidentiality, denial of service, and masquerading(D) confidentiality, cryptography, and nonrepudiation

6. When using Breadth-First Search (BFS), which data structure is typically used to keep track of thecurrent search nodes?(A) Queue (B) Hash Table(C) Heap (D) Stack

7. Which of the following statements about time complexity is correct?(A) When analyzing the time complexity of an algorithm, we count the number of executions of its keysteps. Using different key steps may lead to different results.(B) In time complexity analysis, the best case is always smaller than the worst case.(C) If Algorithm A has a higher time complexity than Algorithm B, then Algorithm A will always takemore time than Algorithm B for any input.(D) The Big-O notation describes the best-case time complexity of an algorithm.

8. In a local area network (LAN), what is a broadcast storm?(A) A situation where excessive broadcast packets cause network congestion or even a completeshutdown.(B) A temporary traffic surge caused by simultaneous firmware updates on network devices.(C) Packet loss caused by an overloaded network server.(D) A sudden drop in network traffic due to multiple hosts shutting down at the same time.

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