NEB Model Set H for Computer 12

Group 'A' (Multiple Choice Questions) 

Tick the best alternative.(9x1 =9)

1. What will the result of num variable after execution of the following statements?

1. 3 b. 5 c. 8 d. 11

2. Which of the following keywords is used to define a variable in JavaScript?

a. Var b. Let c. both a and b d. none of the above

3. Which of the following is used to display the output in PHP? a. Echo b. write c. print d. Both (a) and (c)

4. Which of the following is the correct way of defining a variable in PHP?                                                                   a. $variable name = value; b. $variable_name = value;

c. $variable_name = value d. $variable name as value;

5. Which feature of OOPS described the                  re-usability of code?                                                     a. Abstraction b. Encapsulation

c. Polymorphism d. Inheritance

6. Which normal form is used to remove the partial dependency?                                                                                                 a. First b. Second        c. Third d. BCNF

7. Which SQL command is used to insert a row in a table? a. Select b. Create c. Insert d. Drop

8. Companies lilac Flip-kart, Amazon and Myntra belong to which type of  Ecommeece (EC) segment.

a. B2B b. B2C c. P2P d. C2B

9. Cloud computing is a kind of based computing.

a. Big data    b. loT    c. Internet d. Bluetooth

Group B

Short Answer Questions (5 x 5 =25)

1. What is database key? Explain different types of key with example.

Or

What is SQL? Demonstrate the basic DML statement with an example.

2. What is PHP? How we can connect to database in PHP.

Or

What is CSS? Demonstrate the internal CSS implemented in the web

Page.

3. What is OOP? Explain application areas of OOP.

4. What is software development model ? Explain any two software process model.

5. Describe the concept of virtual reality and E -commerce.

Group C

Long Answer Questions (2 x 8 =16)

6. What is LAN topology? Explain any four LAN topologies.

7. Write a program to enter 20 integer numbers into an array, sort and display them in ascending order.

Or

What is recursive function? Write a program to display factorial of any number using recursive function.