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Explore Class 12 Computer Science past and model questions by chapter, year, marks and question type.
115 questions found
Explain about technical and economic feasibility.
What is OOP (Object Oriented Programming)? Describe any four features of OOP.
Which model follows a strict linear sequential phase order?
Agile
Waterfall
Prototype
Scrum
Write a C program to generate the Fibonacci series of the first two numbers, 7 and 14, up to 10 terms using a user-defined function.
The full form of OSI is:
Open Service Implementation
Open System Internet
Open Service Interconnection
Open System Interconnection
Write a PHP script that connects to a MySQL database named school, retrieves all records from the student table, and displays them in an HTML table.
Records in database are also known as:
Data
Fields
Tuples
Keys
Which of the following feature allows the same method name to be used for different types/number of parameters in OOPs concept?
Abstraction
Encapsulation
Polymorphism
Inheritance
Write a JavaScript program that accepts three numbers as input and finds the smallest among them.
Write a C program to input a number and check whether it is positive, negative or zero using a user-defined function.
Write a C program that reads the student's roll number, name, section and mark of 10 students using an array of structure and display.
Which SQL statement displays the name and address of all students who live either in Kathmandu or Bhaktapur from the students table?
SELECT * FROM students WHERE address = "Kathmandu" OR address = "Bhaktapur";
SELECT name, address FROM Students WHERE address = "Kathmandu" OR "Bhaktapur";
SELECT * FROM students WHERE address = "Kathmandu" OR "Bhaktapur";
SELECT name, address FROM students WHERE address = "Kathmandu" OR address = "Bhaktapur";
5. What will be the output of the following PHP code?
echo b;
?>
0
1
2
5
Compare the hierarchical database model and the relational database model. Write two advantages of each model.
Describe 2NF with example.
Explain twisted pair cable, coaxial cable and optical fibre cable.
Which JavaScript method is used to write HTML output?
document.write()
document.output()
console.log()
document.writeHTML()
What does ++X do in a C program?
Returns value then increments
Increments then returns value
Decrement value
Returns original value
A device automatically adjusts room temperature based on real-time sensor data and internet connectivity. Which technology does this represent?
Desktop computing
Cloud storage
IoT (Internet of Things
Traditional Embedded System
Explain the basic concept of cloud computing with any three advantages.