Class 12 Computer Science notes and question bank — NEB Exam
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Explore Class 12 Computer Science past and model questions by chapter, year, marks and question type.

115 questions found

21
MCQOld Question · 2082Programming IISolution available

The statement int number (int a); is a ...

A

function call

B

function definition

C

function declaration

D

function execution

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22
MCQOld Question · 2082Concept of Network and Data CommunicationSolution available

Which protocol is used for secure communication over a computer network?

A

HTTP

B

FTP

C

HTTPS

D

Telnet

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23
MCQOld Question · 2082Web Technology - II (CSS, JavaScript, PHP)Solution available

Select the invalid variable name in PHP.

A

$name

B

$_name

C

$1name

D

$name123

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24
MCQOld Question · 2082Solution available

Which control structure in JS (JavaScript) is used to execute a block of code repeatedly based on a given condition?

A

For Loop

B

if-else

C

switch-case

D

function

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25
ShortOld Question · 2082Programming IISolution available

Write a C program to read account number, name and address of ten customers and display them using array and structure.

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26
ShortOld Question · 2082Programming IISolution available

What are the components of a function in C? Describe Call-by-value and Call-by-reference.

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27
ShortOld Question · 2082OOP ConceptSolution available

Write short notes on class and inheritance in OOP with example.

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28
ShortOld Question · 2082DBMS ConceptSolution available

What is normalization? Explain 2NF and 3NF.

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29
MCQOld Question · 2082Software Process ModelSolution available

Which type of feasibility study evaluates whether a system can be developed with the available technology?

A

Operational feasibility

B

Social feasibility

C

Technical feasibility

D

Economical feasibility

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30
MCQOld Question · 2082OOP ConceptSolution available

In which of the following programming, the emphasis is given on data rather than on procedures?

A

Procedural programming

B

Structural programming

C

Object-oriented programming

D

Declarative programming

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31
MCQOld Question · 2082DBMS ConceptSolution available

Which of the following is the purpose of using primary key in database?

A

To uniquely identify a record

B

To store duplicate record

C

To backup data

D

To enhance database size

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32
MCQOld Question · 2082Recent Trends in ICTSolution available

Which of the following is NOT a type of cloud computing service?

A

Infrastructure as a Service (IaaS)

B

Platform as a Service (PaaS)

C

Software as a Service (SaaS)

D

Hardware as a Service (HaaS)

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33
MCQOld Question · 2082DBMS ConceptSolution available

A company needs to modify an existing table by adding a new column for employee email addresses. For this, which SQL command should be used?

A

CREATE

B

ALTER

C

SELECT

D

UPDATE

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34
ShortOld Question · 2082DBMS ConceptSolution available

Write any three differences between DDL and DML. Give examples of each.

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35
ShortOld Question · 2082Web Technology - II (CSS, JavaScript, PHP)Solution available

Write a PHP script to connect to a MySQL database.

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36
ShortOld Question · 2082Software Process ModelSolution available

What is Requirement Gathering? Explain different Requirement Gathering methods.

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37
ShortOld Question · 2082Recent Trends in ICTSolution available

What is AI? Explain application areas of AI in education.

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38
ShortOld Question · 2082Concept of Network and Data CommunicationSolution available

What is transmission medium? Explain its major types with advantages and disadvantages.

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39
ShortOld Question · 2082Web Technology - II (CSS, JavaScript, PHP)Solution available

Write JavaScript code to input any three numbers and find the smallest number among them.

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40
ShortOld Question · 2081Programming IISolution available

Write a C program that uses structures to represent details of five books (title, author, publisher and price) and prints them out.

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