Computer Science 2023 Question Paper Online Test (12th Standard)

Q1

__________ members are accessible from outside the class.

A.Secured members B.Public members C.Private members D.Protected members

Q2

Which of the following is not a keyword in Python ?

A.continue B.break C.operator D.while

Q3

The small sections of code that are used to perform a particular task is called :

A.Pseudo code B.Subroutines C.Modules D.Files

Q4

The number of important control structures in Python :

A.5 B.3 C.6 D.4

Q5

Class members are accessed through __________ operator.

A.# B.& C.% D..

Q6

The database Model which represents the Parent-Child relationship :

A.Hierarchical B.Relational C.Object D.Network

Q7

The operator which is used for concatenation ?

A.* B.+ C.= D.&

Q8

Importing C++ program in a Python program is called __________.

A.Interconnecting B.Wrapping C.Parsing D.Downloading

Q9

__________ command is used to remove a table from the database.

A.DELETE ALL B.DROP TABLE C.ALTER TABLE D.DELETE

Q10

The function that returns the largest value of the selected column is :

A.HIGH () B.MAX () C.MAXIMUM () D.LARGE ()

Q11

The datatype whose representation is known are called :

A.Concrete datatype B.Built-in datatype C.Abstract datatype D.Derived datatype

Q12

A Function which calls itself, is called as :

A.Lambda B.Built-in C.Return statement D.Recursion

Q13

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

Q14

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

Q15

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}

12th Standard Computer Science March 2023: Online Practice Test