Informatics Practices · CBSE

Board exam

2022Class 1235 marks13 questions

6 of its 13 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.

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Source: CBSE Board Examination 2022, Class 12 Informatics Practices (065), published by CBSE. CBSE's ZIP of every set

6 questions

Q1Section A2 marks
$Rushil thought “WWW” and “Internet” are synonyms i.e., they meant same and can be used interchangeably. But the teacher said that they are not same. Help him to understand the meaning of both the terms with the help of a suitable example of each. OR What are Cookies ? How can we disable Cookies ?$
Q2Section A2 marks
1. (i)
  $What is the function of a Gateway ?$
2. (ii)
  $Give examples of any two plug-ins.$
Q3Section A2 marks
$Find the output of the following SQL Queries :$
1. (i)
  $SELECT ROUND (7658.345,2);$
2. (ii)
  $SELECT MOD(ROUND (13.9,0),3); OR Give any two differences between the POWER( ) and SUM( ) SQL functions.$
Q4Section A2 marks
$Give one advantage and disadvantage each of Bus and Star topology.$
Q5Section A2 marks
$Find the output of the following SQL queries :$
1. (i)
  $SELECT SUBSTR(“FIT INDIA MOVEMENT”,5);$
2. (ii)
  $SELECT INSTR(“ARTIFICIAL INTELLIGENCE”, “IA”);$
Q9Section B3 marks
$Write the names of SQL functions to perform the following operations :$
1. (i)
  $Display name of the Month from your date of birth.$
2. (ii)
  $Convert email-id to lowercase.$
3. (iii)
  $Count the number of characters in your name.$