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Explore Class 12 Computer Science past and model questions by chapter, year, marks and question type.
115 questions found
Describe the CAT-6 and optical fiber cable features. Which of the cable category is more suitable to develop the local area network?
Which of the following IP address is wrong?
192.168.0.1
256.2.5.76
127.1.1.1
10.144.1.0
Which SQL statement will show the names and heights of all basketball players taller than 6 feet?
SELECT name FROM Player WHERE height > 6;
SELECT name FROM Player WHERE height >= 6;
SELECT name, height FROM Player WHERE height > 6;
SELECT name, height FROM Player WHERE height < 6;
What function do you need to call to ask the user of the program to enter text in JavaScript?
readline
readln
text
println
Which concept allows you to reuse the written code in OOPs?
Encapsulation
Inheritance
Polymorphism
Class
What are the four V’s that best define Big Data?
Vacant - Victim - Volume - Validity
Validity - Velocity - Veracity - Volume
Volume - Velocity - Variety - Veracity
Versity - Velocity - Volume - Validity
What is the importance of a database? Describe.
Write a program to find the largest number among three numbers in JavaScript.
How do you connect MySQL database with PHP? Explain with an example.
Describe the different requirement collection methods for the development of software.
Define cloud computing services.
What is structure? Write a program to store five students’ information (ID, Name, DOB and phone) and display them using structure.
What will be the output of the program code?
#include
#include
int main()
{
char str1[20] = "Hello";
char str2[] = "world";
strcat(str1, str2);
puts(str1);
return 0;
} Hello
World
Helloworld
WorldHello
Describe the relational data model.
What is Pointer? Write a program to read and write data from a file using file handling functions.
Which of the following uniquely identifies each record in the table?
Fields
Record
Row
Primary Key
Which function is used to connect to MySql database?
mysqli_connect()
mysqli_open()
mysqli_query()
$mysqli_con()
Which of following is the discovering requirement from a user in the requirement collection process?
Feasibility study
Requirement Elicitation
Requirement Specification
Requirement validation
Write a program to find the factorial of any given number using Javascript.
What are the major activities performed to design the software? Describe.