CBSE Class 12 Computer Science Question Paper 2021
Introduction
Computer Science question paper for class XII (Compartment Examination 2021) is given below in form of MCQ test. Students can give the exam online free at iqcliq.com. We hope, this initiative will help the students to prepare for their upcoming TERM 1 examination.
This MCQ test is consist with first 20 questions of old Computer Science paper of 2021 (Compartment-Examination). The exam contains the following topics: 1. Python 2. Networking, and 3. RDBMS.
Important MCQ of CBSE Computer Science
20 Questions / 10 Minutes
Part-1
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Results
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#1. In context of Cyber Crimes and Cyber Thefts, the term IPR refers to :
#2. Which of the following wireless transmission media is best suited for MAN ?
Answer: (A) Microwave or (B) Radio Link
#3. Which of the following is/are immutable object type(s) in Python ?
(B) String
(C) Tuple
#4. Write a single line statement in Python to assign the values 'BLUE', 'GREEN', 'RED' to a tuple named Colours.
#5. Which of the following clauses in SQL is most appropriate to use to select matching tuples in a specific range of values ?
#6. Choose correct answer
#7. Which of the following is the correct expansion of DML in context of SQL ?
#8. Which of the following statements correctly explains the term Firewall in context of Computer Network Society ?
#9. Choose the correct option
#10. Identify the valid relational operator(s) in Python from the following :
#11. Which of the following options is/are not Python Keywords ?
–:Python Keywords:–
Math is a library not keyword
while is a keyword but not WHILE
#12. In context of Communication Networks, which of the following is the correct expansion for the abbreviation PAN :
#13. Which of the following is not a valid datatype in SQL ?
#14. Which of the following is not a valid DML command in SQL ?
#15. Which of the following commands in SQL is used to add a new record into a table ?
#16. Identify the statement(s) from the following options which will raise TypeError exception(s) :
#17. Write the name of the built-in function/method of the math module which when executed upon 5.8 as parameter, would return the nearest smaller integer 5.
math.floor()
#18. Write the output of print(D('Name')) .
#19. In SQL, write the name of the aggregate function which will display the cardinality of a table.
Answer is
count()
or
count(*)
#20. For a string S declared as S = 'PYTHON', which of the following is incorrect ?
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