B CompE Bachelor of Computer Engineering Cheat Sheet 2026

The 30 highest-yield B CompE Bachelor of Computer Engineering facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which layer of the OSI model is responsible for end-to-end communication and error recovery? → Transport Layer
2. In a full adder, how many inputs does it have? → 3
3. What is the IPv6 equivalent of an IPv4 broadcast address? → IPv6 does not support broadcast
4. According to the Nyquist sampling theorem, a band-limited signal with maximum frequency f_max must be sampled at a minimum rate of: → 2 × f_max
5. When a parent process terminates, all child processes also end, which is known as cascading termination. → Normally or abnormally
6. How long does it take to insert at the end of a dynamic array? → Either O(1) or O(n)
7. How many words can an 8-bit CPU process? → 8-bits – 64 bits
8. Which type of network topology connects every node directly to every other node? → Mesh
9. Regarding polymorphism, which of the following is false? → Increases overhead of function definition always
10. What kind of computer architecture is the following? → All of the above
11. Which Boolean expression represents De Morgan's first theorem? → (A·B)' = A'+B'
12. What is the purpose of a database view? → Provide a virtual table based on the result of a stored query
13. What exactly is an operating system? → All of the above
14. The processor is considered to have _____ if an exception is thrown and the subsequent instructions are fully executed. → Imprecise exceptions
15. Which of the following is not an operating system that runs in real time? → Palm OS
16. Which programming language was the first to focus solely on objects? → SmallTalk
17. Interrupt latency for real-time operating systems should be → minimal
18. How can an array be initialized in C? → int arr[3] = {1,2,3};
19. When a process is waiting for an I/O service and is in the "Blocked" state. → Ready state
20. What is the primary function of the ARP protocol? → Resolve IP addresses to MAC addresses
21. What is the Boolean identity of A + A'? → 1
22. What type of database model does MongoDB use? → Document-oriented
23. Which SQL command removes all rows from a table without deleting the table structure? → TRUNCATE
24. In order to decrease the Costs, both the CISC and RISC architectures have been developed. → Semantic gap
25. The Power Spectral Density (PSD) of a signal describes: → How signal power is distributed across different frequencies
26. In Agile development, what is a 'sprint'? → A fixed time-boxed iteration typically lasting 1-4 weeks
27. Which of the following statements about the use of an array is false? → Accessing elements at specified positions
28. What port number does HTTPS use by default? → 443
29. What is the output of an AND gate when both inputs are 1? → 1
30. What is the 2's complement representation of -5 in an 8-bit system? → 11111011