12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two

1.

The ________ symbol is used with the COUNT to induce the NULL values.

(a)

+

(b)

*

(c)

>=

(d)

=

2.

The positive subscript always starts with

(a)

0

(b)

1

(c)

-1

(d)

0.1

3.

Latest SQL standard as of now is

(a)

SQL 2008

(b)

SQL 2009

(c)

SQL 2018

(d)

SQL 2.0

4.

The most popular data visualization library in Python is

(a)

matplotlib

(b)

pip

(c)

matinfolib

(d)

matpiplib

5.

Which of the following can be a software or hardware based, with one sole purpose of storiing data?

(a)

DBMS

(b)

Database

(c)

Object

(d)

SQL

6.

Functions that calls itself are known as

(a)

User defined

(b)

Recursive

(c)

Built-in

(d)

Lambda

7.

Which of the following language used automatic garbage collection?

(a)

C++

(b)

Java

(c)

C

(d)

Python

8.

Which of the following is valid syntax of accessing class members

(a)

objectname = classmember ()

(b)

objectname. classmember ()

(c)

objectname. classmember

(d)

objectname. classmember

9.

________ provides a module named CSV using this several operations on the CSV file can be done.

(a)

Ms-Exeel

(b)

Python

(c)

Text editor

(d)

Open offiee calc

10.

How many important control structures in python?

(a)

2

(b)

3

(c)

4

(d)

many

11.

How many modes can be specified while opening a CSV file?

(a)

2

(b)

4

(c)

3

(d)

None of these

12.

a = ['A', 2, 3, [4,5,6]] is an example of

(a)

Tuple

(b)

Set

(c)

List

(d)

Dictionary

13.

Which of the following is not an example of data structures?

(a)

Control statement

(b)

Structure

(c)

List

(d)

Dictionary

14.

Which of the following keeps track of all these mappings with namespaces?

(a)

Programming languages

(b)

Application software

(c)

System software

(d)

MySQL

15.

In Python, the script mode programs can be stored with the extension.

(a)

.pyt

(b)

.pyh

(c)

.py

(d)

.pon

16.

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

(a)

User-defined datatype

(b)

Derived datatype

(c)

Built-in datatype

(d)

Abstract datatype

17.

Which of the following are the values which are passed to a function definition?

(a)

Parameters

(b)

Algorithm

(c)

Data types

(d)

Arguments

18.

If List=[10,20,30,40,50] then List[2]=35 will result

(a)

[35,10,20,30,40,50]

(b)

[10,20,30,40,50,35]

(c)

[10,20,35,40,50]

(d)

[10,35,30,40,50]

19.

Defining strings within triple quotes allows creating:

(a)

Single line Strings

(b)

Multiline Strings

(c)

Double line Strings

(d)

Multiple Strings

20.

Which of the following keyword is used to exit a function block?

(a)

define

(b)

return

(c)

finally

(d)

def

21.

Which of the following is known as definite loop?

(a)

do..while

(b)

while

(c)

for

(d)

if..elif

22.

The Θ notation in asymptotic evaluation represents

(a)

Base case

(b)

Average case

(c)

Worst case

(d)

NULL case

23.

Containers for mapping names of variables to objects is called

(a)

Scope

(b)

Mapping

(c)

Binding

(d)

Namespaces

24.

A sequence of immutable objects is called

(a)

Built in

(b)

List

(c)

Tuple

(d)

Derived data

25.

The values which are passed to a function definition are called

(a)

Arguments

(b)

Subroutines

(c)

Function

(d)

Definition

12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two

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