Computer Science 2020 Question Paper Online Test (12th Standard)

Q1

The function which will give exact result when same arguments are passed are called :

A.Pure functions B.Impure functions C.Partial functions D.Dynamic functions

Q2

A sequence of immutable objects is called :

A.Derived data B.Built in C.List D.Tuple

Q3

Which of the following members of a class can be handled only from within the class ?

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

Q4

Two main measures for the efficiency of an algorithm are :

A.Data and space B.Processor and memory C.Complexity and capacity D.Time and space

Q5

Expand IDLE :

A.Integrated Design Learning Environment B.Insert Development Learning Environment C.Integrated Develop Learning Environment D.Integrated Development Learning Environment

Q6

What is the output of the following snippet ?
for i in range(2,10,2):
print(i,end=' ')

A.8 6 4 2 B.2 4 6 8 10 C.2 4 6 8 D.2 4 6

Q7

Evaluate the following function and write the output.
x=14.4
print(math.floor(x))

A.13 B.14 C.15 D.14.3

Q8

What will be the output of the following code ?
str="NEW DELHI"
str[3]="-"

A.NEW-DELHI B.NE-DELHI C.NEW DELHI D.NEW-ELHI

Q9

The keys in Python dictionary is specified by :

A.; B.= C.: D.+

Q10

Class members are accessed through which operator ?

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

Q11

What symbol is used for SELECT statement ?

A.Ω B.σ C.π D.×

Q12

The command to delete a table is :

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

Q13

A CSV file is also known as a :

A.Random File B.String File C.3D File D.Flat File

Q14

A framework for interfacing Python and C++ is :

A.Ctypes B.Boost C.SWIG D.Cython

Q15

Which of the following is an organized collection of data ?

A.Records B.Information C.DBMS D.Database

12th Standard Computer Science March 2020: Online Practice Test

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