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Tamil Nadu State Board · CLASS 12th · Computer Science

TAMIL NADU STATE BOARD CLASS 12 COMPUTER SCIENCE 2023

38 questions from this CLASS 12th Computer Science paper. Log in as a CLASS 12th student to view solutions.

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Q1 mcq 1 mark
__________ members are accessible from outside the class.
  • A. Secured members
  • B. Public members
  • C. Private members
  • D. Protected members

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Q2 mcq 1 mark
Which of the following is not a keyword in Python ?
  • A. continue
  • B. break
  • C. operator
  • D. while

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Q3 mcq 1 mark
The small sections of code that are used to perform a particular task is called :
  • A. Pseudo code
  • B. Subroutines
  • C. Modules
  • D. Files

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Q4 mcq 1 mark
The number of important control structures in Python :
  • A. 5
  • B. 3
  • C. 6
  • D. 4

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Q5 mcq 1 mark
Class members are accessed through ________ operator.
  • A. #
  • B. &
  • C. %
  • D. .

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Q6 mcq 1 mark
The database Model which represents the Parent-Chil d relationship :
  • A. Hierarchical
  • B. Relational
  • C. Object
  • D. Network

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Q7 mcq 1 mark
The operator which is used for concatenation ?
  • A. *
  • B. 1
  • C. =
  • D. &

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Q8 mcq 1 mark
Importing C++ program in a Python program is called __________.
  • A. Interconnecting
  • B. Wrapping
  • C. Parsing
  • D. Downloading

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Q9 mcq 1 mark
__________ command is used to remove a table from the d atabase.
  • A. DELETE ALL
  • B. DROP TABLE
  • C. ALTER TABLE
  • D. DELETE

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Q10 mcq 1 mark
The function that returns the largest value of the selected column is :
  • A. HIGH ( )
  • B. MAX ( )
  • C. MAXIMUM ( )
  • D. LARGE ( )

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Q11 mcq 1 mark
The datatype whose representation is known are called :
  • A. Concrete datatype
  • B. Built-in datatype
  • C. Abstract datatype
  • D. Derived datatype

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Q12 mcq 1 mark
A Function which calls itself, is called as :
  • A. Lambda
  • B. Built-in
  • C. Return statement
  • D. Recursion

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Q13 mcq 1 mark
The mode which is used when dealing with non-text files like image or exe files :
  • A. xls mode
  • B. Text mode
  • C. csv mode
  • D. Binary mode

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Q14 mcq 1 mark
In dynamic programming, the technique of storing the previously calculated values is called :
  • A. Memoization
  • B. Saving value property
  • C. Mapping
  • D. Storing value property

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Q15 mcq 1 mark
Let set A={3, 6, 9}, set B={1, 3, 9}. The result of the following snippet Print (set A ? set B)
  • A. {1}
  • B. {3, 6, 9, 1, 3, 9}
  • C. {1, 3, 6, 9}
  • D. {3, 9}

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Q16 short answer 2 marks
What is a Tuple ? Give an example.

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Q17 short answer 2 marks
What is a scope ?

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Q18 short answer 2 marks
How will you delete a string in Python ?

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Q19 short answer 2 marks
Write note on range ( ) in loop.

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Q20 short answer 2 marks
What is class ?

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Q21 short answer 2 marks
What is Data Manipulation Language ?

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Q22 short answer 2 marks
Mention the default modes of the File.

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Q23 short answer
23. List the general types of data visualization.

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Q24 short answer
24. What will be output of the following Python code ? Squares=[x **2 for x in range(1,11)] print (squares)

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Q25 short answer
25. Mention the characteristics of Interface.

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Q26 short answer
26. What do you understand by Dynamic Programming ?

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Q27 short answer
27. Explain Ternary operator with an example.

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Q28 short answer
28. Write the syntax of while loop.

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Q29 short answer
29. Differentiate - ceil ( ) and floor ( ) function.

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Q30 short answer
30. What is the difference between csv reader ( ) method and DictReader ( ) class ?

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Q31 short answer
31. Differentiate fetchone ( ) and fetchmany ( ).

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Q32 short answer
32. Write a Python program to display the given pattern. C O M P U T E R C O M P U T E C O M P U T C O M P U C O M P C O M C O C

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Q33 long answer
33. Write about the steps of Python program executing C ++ program using control statement.

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Q34 long answer
34.(a)What is a List ? Why List, can be called as pairs ? Explain with suitable example. OR (b)Discuss about linear search algorithm.

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Q35 long answer
35.(a)Discuss in details about Token in Python. OR (b)Explain the following built-in function. (i)id( ) (ii)chr( ) (iii)round( ) (iv)type( ) (v)pow( )

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Q36 long answer
36.(a)What is Nested Tuple ? Explain with an example. OR (b)Explain the different types of relationship mapping.

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Q37 long answer
37.(a)Write the syntax for getopt( ) and explain its arguments and return values. OR (b)Differentiate DBMS and RDBMS.

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Q38 long answer
38.(a)Explain about differences between Histogram and Bar Graph. OR (b)Explain ‘continue’ statement with an example.

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