Computer Science | MCQs | Question Paper 2081-2024 of Class 12 | NEB

Group 'A' [9x1=1]

1. Which one of the followings given statement correct ?

A) Select * from enp where eopid = 103;
B) Select from enp where eopid = 103;
C) Select eopid where enp = 103 from emp;
D) Select eopid where eopid = 103 and table = emp;

2. Which database system normally offers better performance for geographically dispersed users ?

A) Centralized database system
B) Distributed database system
C) NoSQL database system
D) Relational database system

3. Which of the following is an example of a public IPV4 address

A) 192.168.1.1
B) 172.16.10.1
C) 10.10.10.10
D) 203.0.113.10

4. What is the correct syntax for a 'for-loop' in JavaScript ?

A) for (var i = 0; i < 5; i++) {}
B) for (i = 0; i < 5; i++) {}|
C) for (var i = 0; i < 5) {}
D) for (var i < 5; i++) {}

5. Which PHP function is commonly used to execute SQL queries on a database connection established using mysqli extension ?

A) mysqli_query ( )
B) pdo_query ( )
C) mysql_query ( )
D) pgsql_query ( )

6. What is the correct syntax to declare a structure in C?

A) struct { }
B) define struct { }
C) struct [ ]
D) struct <name> { }

7. In C, which operator is used to get the address of a variable ?

A) *
B) &
C) ->
D) .

8. Which OOP feature allows a class to inherit properties and behavior from another class ?

A) Inheritance
B) Encapsulation
C) Polymorphism
D) Abstraction

9. Which model of SDLC is characterized by a linear progression of phases from requirements gathering to maintenance ?

A) Waterfall model
B) Agile model
C) Spiral model
D) RAD model

Computer Science MCQs Question Paper 2081-2024 of Class 12 NEB.

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