Model question papers for open source systems?

Answer 1

ANSWER ALL QUESTIONS (20 X 2 = 40 MARKS)

1. Why has the open source software become popular?

2. What is Linux's Open-Source License?

3. Mention the three classes of processes in LINUX?

4. What are the two distinct modes of operation of the CPU in Linux?

5. What is MySQL? Why do so many organisation use MySQL?

6. How to sort a MySQL Query Result?

7. How is Sequence handled in MySQL?

8. Write MySQL commands to display the table structure and empty the table?

9. How to run a PHP script?

10. Tell whether PHP variable and keywords are case sensitive?

11. What is type jugging?

12. Give the general form for defining the function in PHP.

13. What is called suite in PYTHON?

14. Give the functionalities of the following Sequence Type Operator?

1. seq[ind1:ind2]

2. obj in seq

15. Lists all the PYTHON bulit-in methods for file object with its operation?

16. How do you create the functions in PYTHON?

17. What is the use of Arrow operator in PERL?

18. Write down the different formats for the PERL IF statement?

19. How will you open the file for reading / writing using PERL function?

20. Generate the output for the following

1. print 'Hi' x 5;

2. print 9**3;

PART-B (5 X 12 = 60 MARKS)

ANSWER ANY FIVE QUESTIONS

21. Explain the process management in LINUX with suitable system call?

22.i. Explain SELECT statement by providing examples for the following.(8)

1. Retrieving Individual Columns

2. Retrieving multiple Columns

3. Retrieving ALL Columns

4. Retrieving Distinct Rows

ii. Write a MYSQL query for the following using DATE and TIME functions(4)

1. display current date and time

2. display time in 10:10:10 format

3. display the name of the day of a particular date

4. display the date "One Year Ago" from today's date.

23. Describe about MYSQL string function with its syntax and example.

24.i. What is PHP? What does it do? List out its features?(6)

ii. Mention the scalar data-types provided by PHP? Explain with Examples(6)

25.i. Define operator associativity in PHP? Evaluate the following expression(4)

1. (2+4)/2*3

2. 2+4/2*3

3. (2+4)/(2*3)

4. 2+4/(2*3)

ii. Write short notes on PHP Shorthand Assignment operator(Assignment with operation). (8)

26.i. Illustrate the internal structure of a typical PYTHON module with the suitable example.(6)

ii. With a neat sketch say how the dictionaries are compared in PYTHON? (6)

27.i. Give some of the elements and components within PERL? Illustrate it. (8)

ii. Summarize the execution process of PERL Script. (4)

28.i. Specify the basic rules applied for naming the PERL variables. (4)

ii. Brief the looping statement supported by PERL with its syntax and example. (8)

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