12th Standard Computer Science English Medium Important 1 Mark Creative Questions (New Syllabus) 2020

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Questions:

Multiple Choice Question

76 x 1 = 76

The function used to search the first occurrence of the substring In the given string is

(a)

search ()

(b)

find ()

(c)

find string ()

(d)

searchstring ()

The _______ keyword is used along with the SELECT command to eliminate duplicate rows in the table?

(a)

DUPLICATE

(b)

DISTINCT

(c)

ELIMINATE

(d)

a ro b

A _____________ consists of row and columns.

(a)

Table

(b)

Database

(c)

SQL

(d)

DBMS

Which keyword is used to specify the list of values which must be matched with the record values?

(a)

NOT IN

(b)

BETWEEN

(c)

(d)

NOT BETWEEN

The _____ operator is used to display a string in multiple number of time.

(a)

(b)

* *

(c)

* =

(d)

+ +

Which of the following command helps to add new records to the table?

(a)

Insert

(b)

Add New

(c)

Add row

(d)

Insert new

How many types of database integrity constraints are there?

(a)

(b)

(c)

(d)

Multiple

The negative subscript is always begins with

(a)

(b)

(c)

-1

(d)

-1.0

Double data type precision may exceed

(a)

(b)

(c)

(d)

10.

Which of the following used to control the access of data stored in a database?

(a)

DCL

(b)

DML

(c)

DDL

(d)

DQL

11.

DCL stands for

(a)

Dynamic Control Language

(b)

Data Communication Language

(c)

Data Control Language

(d)

Dynamic Data Control Language

12.

Which of the following is not a RDBMS package?

(a)

Oracle

(b)

Foxpro

(c)

DBbase

(d)

MySQL

(e)

b and c

13.

Data visualization used ________ graphics.

(a)

(b)

(c)

Statistical

(d)

Image

14.

Each column in a table represents a ___________

(a)

Record

(b)

Data

(c)

Field

(d)

Method

15.

_____ is applied in any recursive function is known as base condition.

(a)

Finite iteration

(b)

Default arguments

(c)

Keyword arguments

(d)

Infinite iteration

16.

Which button allows to configure various spacing options with figure?

(a)

configure plots

(b)

configure subplots

(c)

subplots configure

(d)

plots configure

17.

When the data is processed It gives a meaningful __________

(a)

Database

(b)

Information

(c)

Facts

(d)

Entities

18.

The __ arguments are also local to function

(a)

default

(b)

keyword

(c)

format

(d)

variable-length

19.

______ makes your program easier to write, read test and fix errors.

(a)

Functions

(b)

List

(c)

Tuples

(d)

Loops

20.

The most popular data visualization library in Python is

(a)

matplotlib

(b)

pip

(c)

matinfolib

(d)

matpiplib

21.

One classroom has many students is an example of a relationships

(a)

one to one

(b)

one to many

(c)

many to one

(d)

many to many

22.

How many types of DBMS users are there?

(a)

(b)

(c)

(d)

23.

Which of the following data base model is an extended form of hierarchical data model?

(a)

ER-model

(b)

Network

(c)

Object

(d)

Relational

24.

_________ is a simple relational database system.

(a)

Cython

(b)

Boost

(c)

MySQL

(d)

SQlite

25.

How many types of data models are there?

(a)

(b)

(c)

(d)

26.

Which of the following DBMS components controls everything in a database?

(a)

Hardware

(b)

Square

(c)

Methods

(d)

Procedures

27.

Which SQlite keyword is used to extract only those records that fulfill a specified condition?

(a)

WHERE

(b)

EXTRACT

(c)

CONNECT

(d)

CURSOR

28.

Which of following is fast, flexible and easy to work?

(a)

CSV

(b)

SQlite

(c)

Perl

(d)

Ruby

29.

Which of the following allows users to store, process and analyze data easily?

(a)

My SQL

(b)

Relational Algebra

(c)

Datamodels

(d)

DBMS

30.

Which function is an alternative to bin ()?

(a)

id ()

(b)

format ()

(c)

type ()

(d)

chr ()

31.

Defining a variable outside a function, its _ by default.

(a)

local

(b)

global

(c)

function

(d)

operands

32.

Which function can take any number of arguments and must return one value in the form of an expression?

(a)

user defined

(b)

recursive

(c)

lambda

(d)

default

33.

Which of the following is not a type of arguments used to call a function?

(a)

Required

(b)

Keywords

(c)

Default

(d)

Module

34.

Functions that calls itself are known as

(a)

User defined

(b)

Recursive

(c)

Built-in

(d)

Lambda

35.

___________ refers to a set of runtime header files used in compiling and linking the C++ code to be run or window OS?

(a)

SWIG

(b)

MinGW

(c)

Cython

(d)

Boost

36.

A variable prefixed with __________ become private in nature.

(a)

double underscore

(b)

double colon

(c)

double dot

(d)

double hyphen

37.

The command to change to the folder where Python is located is

(a)

Change

(b)

(c)

Dir

(d)

CDirl

38.

Which of the following is not general purpose language?

(a)

Python

(b)

Perl

(c)

Java

(d)

C++

39.

______ and_____ are the key features of object oriented programming.

(a)

List and tuples

(b)

Set and dictionary

(c)

Classes and objects

(d)

Variables and methods

40.

Which of the following is valid syntax of accessing class members

(a)

objectname = classmember ()

(b)

objectname. classmember ()

(c)

objectname. classmember

(d)

objectname. classmember

41.

_________ the extension of CSV file is

(a)

.CV

(b)

.CSV

(c)

.CVS

(d)

.CS

42.

Which of the following class of CSV file module is used to write CSV file with quotes by registering new dialects?

(a)

csv.register ( )

(b)

csv.dialeet ( )

(c)

csv.dialect register ( )

(d)

csv.register_dialeet ( )

43.

The _____ part of while is optional part of while.

(a)

(b)

else

(c)

elif

(d)

condition

44.

Which statement transfers the control out of loop even when the loop condition is tested true?

(a)

continue

(b)

break

(c)

pass

(d)

goto

45.

Which of the following format(s) the CSV files data can be read?

(a)

Quotes

(b)

Pipe

(c)

Comma

(d)

all of these

46.

In Python, a ____________ is a mixed collection of elements but it stores a key along with its element?

(a)

Dictionary

(b)

Set

(c)

Tuple

(d)

List

47.

What can be learned through alternative or branching statement?

(a)

looping

(b)

decision making

(c)

functions

(d)

classes

48.

Which of the following is not a mode used while opening a file?

(a)

(b)

(c)

(d)

49.

Choose the correct pair from the following.

(a)

| - union

(b)

- - intersection

(c)

^ - Symmetric difference

(d)

& - Difference

50.

_________is used to describe the lower bound of asymptotic function.

(a)

Big Alpha

(b)

Big Beta

(c)

Big 0

(d)

Big Omega

51.

Performance evaluation of an algorithm can be_____ divided into different phases

(a)

(b)

(c)

(d)

52.

Which function is used to convert the result of range () function in to list?

(a)

convert ()

(b)

range ()

(c)

list ()

(d)

listrange ()

53.

Which sorting algorithm sort is by making only one exchange for every pass through the list?

(a)

Bubble

(b)

Selection

(c)

Comparison

(d)

Merge

54.

O(n) is an example of

(a)

best case

(b)

Average case

(c)

worst case

(d)

Null case

55.

Which of the following operator can be used to alter the range of elements in the list?

(a)

= =

(b)

(c)

56.

In list, the negative index number begin with

(a)

(b)

(c)

-1

(d)

0.1

57.

Which characteristics of algorithm defined the operation involving division by zero?

(a)

Finiteness

(b)

Definiteness

(c)

Input

(d)

Correctness

58.

All data values in Python are ______

(a)

objects

(b)

class

(c)

type

(d)

functions

59.

In Python there are ______ normal token types.

(a)

(b)

(c)

(d)

60.

The input () function helps to enter data at _____ by the user.

(a)

compile time

(b)

linking time

(c)

run time

(d)

module time

61.

The inner function can access the variable of the outer function. This is called________scope.

(a)

Local

(b)

Function

(c)

Enclosed

(d)

Global

62.

Which data can be enclosed with Single or Double or Triple quotes?

(a)

Boolean

(b)

String

(c)

Exponent

(d)

none of these

63.

The following are the type of variable scopes Find the odd one out

(a)

Local

(b)

Enclosed

(c)

Global

(d)

Protected

64.

Which of the following is a sequence of characters surrounded by quotes?

(a)

String

(b)

Complex

(c)

Boolean

(d)

Octal

65.

How many types of variable scope are there?

(a)

(b)

(c)

(d)

66.

How many variables can be mapped to the same instance?

(a)

(b)

(c)

(d)

Multiple

67.

If a = 100, then the expression a**2 output is

(a)

1000

(b)

10000

(c)

200

(d)

400

68.

Which of the following indicates in Python that interpreter is ready to accept instructions?

(a)

>>>

(b)

<<<

(c)

.py

(d)

69.

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

(a)

.pyt

(b)

.pyh

(c)

.py

(d)

.pon

70.

A________ is not just data, it has functions defined within it.

(a)

Class

(b)

List

(c)

Pair

(d)

Object

71.

Data Abstraction allows programmers to treat code as_______

(a)

Objects

(b)

Classes

(c)

Members

(d)

Parameters

72.

Which of the following is contracted by placing expressions within square brackets separated by commas?

(a)

List

(b)

Tuple

(c)

Set

(d)

Dictionary

73.

Which of the following replicate how we think about the world?

(a)

Queue ADT

(b)

Data Hiding

(c)

Data Abstraction

(d)

Stack ADT

74.

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

75.

A_________ combines the external interface with an implementation of the interface

(a)

parameter without type

(b)

class declaration

(c)

function definition

(d)

parameter with type

76.

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

(a)

Parameters

(b)

Algorithm

(c)

Data types

(d)

Arguments

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Answers Key:

Multiple Choice Question

76 x 1 = 76

(b)
find ()

(b)
DISTINCT

(a)
Table

(a)
*

(a)
Insert

(a)
4

(a)
64

10.

(a)
DCL

11.

12.

(e)
b and c

13.

14.

15.

(d)
Infinite iteration

16.

(b)
configure subplots

17.

(b)
Information

18.

19.

(a)
Functions

20.

(d)
matpiplib

21.

(b)
one to many

22.

23.

(b)
Network

24.

(d)
SQlite

25.

26.

(b)
Square

27.

(a)
WHERE

28.

(b)
SQlite

29.

(d)
DBMS

30.

(b)
format ()

31.

(b)
global

32.

33.

(d)
Module

34.

(b)
Recursive

35.

(b)
MinGW

36.

(a)
double underscore

37.

(b)
CD

38.

(b)
Perl

39.

40.

(b)
objectname. classmember ()

41.

(b)
.CSV

42.

(d)
csv.register_dialeet ( )

43.

(b)
else

44.

(b)
break

45.

(d)
all of these

46.

(a)
Dictionary

47.

(b)
decision making

48.

(a)
P

49.

50.

(d)
Big Omega

51.

(b)
4

52.

53.

(b)
Selection

54.

55.

56.

57.

(b)
Definiteness

58.

(a)
objects

59.

60.

61.

62.

(b)
String

63.

(d)
Protected

64.

(a)
String

65.

(b)
4

66.

(d)
Multiple

67.

(b)
10000

68.

(a)
>>>

69.

70.

(a)
Class

71.

(a)
Objects

72.

(a)
List

73.

74.

(d)
Abstract datatype

75.

(b)
class declaration

76.

(a)
Parameters

12th Standard Computer Science English Medium Important 1 Mark Creative Questions (New Syllabus) 2020

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Std: 12th Standard - Computer Science

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Questions:

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