List of top Questions asked in CBSE CLASS XII

................ keyword is used in SELECT statement along with column name to display duplicate values once in the result of an SQL query.
"Variables in Java need not be declared and initialized before they are used." State True or False.
Connectivity between Frontend and Backend project will be done in ................ phase of a web application project.
If the value of an attribute in a tuple is not known or not applicable or not available, a special value called ................ is used to represent them.
................ makes the password safer for online transactions.
Kritika did not use ASC or DESC keyword with ORDER BY clause. By default in which order will the result of the query be displayed?
................ is the national web portal of India, which provides a single window access to information and services being provided by the various Indian government entities.
Rahul forgot to add a column in the existing table. Which one of the following SQL commands can he use to add the desired column in the table?
Name any two popular e-learning websites.
A computer can understand only its own language called ................ .
Which of the following is not a valid data type of SQL?
A web application is a program that is stored on a ................ server.
................ is a language that is used to manage data stored in an RDBMS.
In relational models, a ................ is called a relation.
IRCTC online portal for booking train tickets stands for:
(A) International Railway Catering and Tourism Corporation
(B) Indian Railway Controlling and Transport Corporation
(C) Indian Railway Catering and Tourism Corporation
(D) International Railway Controlling and Transport Corporation
CNG stands for ................ .
DBMS stands for ................ .
All Java statements must end with a/an ................ .
To maintain a positive attitude, which one of the following is not a good practice?
(A) Feed the mind with positivity
(B) Don’t learn from failures
(C) Move towards your goals and dreams
(D) Start the day with a morning routine
State True or False: “Personality disorders involve long-term patterns of thoughts and behaviours that are unhealthy and rigid.”
In the spreadsheet software, a ................ is an arrangement of cells in a vertical (standing) manner.
................ is one of the most important attitudes of an entrepreneur, which is defined as the ability to continue to do something, even when it is difficult.
(A) Decisiveness
(B) Interpersonal skills
(C) Perseverance
(D) Taking initiative
................ is an element of communication which encodes and sends messages through a channel.
The integrating factor of the differential equation \( \frac{dx}{dy} = \frac{x \log x}{2 \log x - y} \) is:
Eliza, Fenn and Garry were partners in a firm sharing profits and losses in the ratio of 4 : 3 : 1. Fenn was guaranteed Rs 25,000 as his share in the profits. Any deficiency arising on that account was to be met by Eliza. The firm earned a profit of Rs 80,000 for the year ended 31st March, 2024. The amount of profit credited to Fenn's capital account will be :