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General MCQ for Computer Science

1. If the input string in 'Moore' machine is of length 'm', the output string would be of the length

2. A deterministic f‌inite automation 'F' is given in the image. having 'start‘ state and accepting state (S). Select the regular expression from the following options that denotes the set of all words accepted by ‘F'-

3. What would be the postfix expression of the given infix expression? ((AtBI'C-(D-E))$(F+G)

4. Which of the following regular expressions have all strings in which any number of 9's is followed by any number of 5's, followed by any number of 2's?

5. Which of the given network IDs of Classes A, B. and C can exist?

6. Which of the following options is not in the set 'S', if 'S' is given as ( ab \ abb )* bb ab?

7. If the mean arrival rate of packets into a packet switch is 1,000 packets per second (PPS), and the mean service rate is 1.025 packets per second, then what would be the total waiting time. including the service time?

8. Which of the following is not a feature of a good software requirements specification (SRS) document?

9. What would be the labels of the nodes (numbered from 1 to 7) in the given image. if the post order traversal of the tree gives the below-given expression? x y - z w

10. SELECT last_name. salary. hire_date FROM EMPLOYEES ORDER BY salary DESC SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC Which of the answer options is true?

11. In the ModeI-View-Controller(MVC) mode, JSP generally belongs to .

12. Suppose there are two relations: 'R1' and 'R2'. lf 'C1' and 'C2' are the selection conditions, and 'A1' and 'A2‘ are the attributes of the relation 'R1‘, then which of the given query transformations is/are correct? 1- 0C1 (0C1 (R11) '> Ocz (Gc2 1R1) 2- 0C1 ('A1 1R1) 7' 'A1 (0c1 (R11)

13. In the 'Baudot code', which of the given numbers of bits per symbol are used?

14. Which of the following is an automation in which the output only depends on the states of the machine?

15. What would be the correct time required to search an element in 'binary search tree‘ with 'k‘ elements?

16. Consider the example, in the given image, with five processes and their CPU burst time (in milliseconds). Which of the following scheduling algorithms will give the lowest average waiting time

17. Which of the following protocols does not support routing?

18. Which of the following options is used to embody business objects?

19. Which of the given frequency ranges is mostly affected by precipitation and fog?

20. Which two of the following are true about data flow diagrams (DFDs) used in a software development process?

21. Social media (sm) providers host the sm presence using ________ in the cloud.

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