12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 27/02/2021
12th Standard English Medium Computer Science Reduced syllabus Creative one Mark Question with Answer key - 2021(Public Exam )
Download Tamil Nadu 12th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
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1.
The function used to search the first occurrence of the substring In the given string is
search ()
find ()
find string ()
searchstring ()
2.
The NULL value in the field can be searched in a table using the ______ in the WHERE clause.
==NULL
NULL
ISNULL
NOT NULL
3.
All the values in a given field must be of same ____________
command
datatype
record
name
4.
Python provides a function _____ to change all occurrences of a particular character in a string.
replace()
change ()
change all ()
repalceall ()
5.
The subscript can be _____ integer numbers.
Positive
Negative
Floating
Positive or negative
6.
The negative subscript is always begins with
0
1
-1
-1.0
7.
String index values are also called as
class
function
subscript
arguments
8.
String are enclosed with
"
" "
'''''' ''''''
''' '''
all of these
9.
The specific related information about every record in the table is maintained by
language
relation
tuple
field
10.
________ and ______ are the two ways to display data in the form of diagram.
Line chart, Pie chart
Line chart, Bar chart
Bar Graph, Histogram
Line chart, Histogram
11.
If a list given to the plot ( ) command, matplotlib assumes it is a sequence of _____ values
X
Y
0
4
12.
______ in data visualization helps to show relationship in the data for more variables
Tables
Graphics
Charts
Dashboards
13.
In python ______ function is a function that is defined without a name.
Anonymous
Recursive
User defined
Default
14.
In which plot the width of the bars is always same?
Line
Bar chat
Pie chart
Histogram
15.
Which of the following chart represents the frequency distribution of continuous variables?
Histogram
Pie
Line
Bar
16.
Which button will help to navigate the chart?
Navigate
Pan
Home
Zoom
17.
The default x.vector has the same length of y but starts with
3
2
1
0
18.
A _____ variable declared inside the function's body is known as
file scope
function scope
global scope
local scope
19.
If there is no return statement present inside the function. then the function will return _____ object.
No
Nothing
None
def
20.
The most popular data visualization library in Python is
matplotlib
pip
matinfolib
matpiplib
21.
Which kind of data encoded visually communicate a quantitative message
String
Numbers
Images
None of these
22.
cursor.description will be stored as a
list
set
tuple
dictionary
23.
The output of one function used as an argument for another function is called
Recursion
Built-in
Composition
Decomposition
24.
How many number of return statement allowed in a function definition?
only one
only 2
only 4
multiple
25.
__________ method returns value consisting of two elements.
sys.argv
oS.system ( )
getopt ( )
none of these
26.
_________ is a program that calls GCC for linking the c++ library files to the object code.
c++
C
Python
g++
27.
The operator used to access the python functions using modules is
.
,
: :
28.
The process of creating object is called as ___________
Class definition
Class declaration
Class instantiation
Class objects
29.
SWIG expansion is
Simplified Wrapper Interface Generator
Software Wrapper Information Generator
Simplified Wrapper Interface Generator
System Wrapper Interface Generator
30.
In Python, a class is defined by using the _______ class.
Operator
Identifier
Object
Keyword
31.
To read a CSV file into a dictionary can be done by using __________ class of CSV module
dictionary ( )
dictreader ( )
readerdict ( )
rdict ( )
32.
_______ takes 1-dimensional data, and 2-dimensional to write in a file
write
writerow ( )
row ( )
wrow ( )
33.
_______ files are saved with extension.xlsx.
Excel
CSV
Wordpad
Notepad
34.
Which method is used to write all the data at once?
write
writer ( )
writerow ( )
allrow ( )
35.
CSV dictreader ( ) works with
list
tuple
set
dictionary
36.
Which of the following statement is used as a place holder in python?
continue
break
pass
if
37.
How many formats in which CSV file data can be read?
3
2
4
5
38.
In a nested tuple, each tuple is considered as a (n) ___________
Function
Tuple
List
Set
39.
CSV means
Condition separated values
Colon separated values
C++ solution values
Comma separated values
40.
A _________ in Python is known as a "sequence datatype"
List
Set
Dictionary
Tuples
41.
Recursion used to calculate factorial of a given value n in algorithm is an example of________ component
Fixed part
Variable part
Operator part
Time part
42.
Data are maintained and manipulated effectively through_________
Algorithm
Data Structures
Pseudocode
Program
43.
Which of the following optimization technique used in dynamic algorithms
Memorization
Composition
Specification
Decomposition
44.
How many times the following loop executes?
li = [10,23,41,75]
i=0
while i > = -4;
print (li [i])
i+ = 1
-4
4
0
Error
45.
Which of the following datatype enclosed with [ ]?
Tuples
List
Dictionary
Set
46.
Python uses the symbols and symbol combinations as ____ in expressions.
literals
keywords
identifiers
delimiters
47.
An arithmetic operator takes _____ operands and perform a calculations.
3
4
2
1
48.
In Python Script Editor the errors will be shown in _____ color in the IDLE window.
red
green
blue
orange
49.
Which of the following is not a fundamental data type?
tuples
lists
character
dictionaries
50.
Which of the following can be identify by an identifier?
variable
function
class
all of these
1.
(b)
find ()
2.
(c)
ISNULL
3.
(b)
datatype
4.
(a)
replace()
5.
(d)
Positive or negative
6.
(c)
-1
7.
(c)
subscript
8.
(e)
all of these
9.
(d)
field
10.
(c)
Bar Graph, Histogram
11.
(b)
Y
12.
(c)
Charts
13.
(a)
Anonymous
14.
(b)
Bar chat
15.
(a)
Histogram
16.
(c)
Home
17.
(d)
0
18.
(d)
local scope
19.
(c)
None
20.
(d)
matpiplib
21.
(b)
Numbers
22.
(c)
tuple
23.
(c)
Composition
24.
(d)
multiple
25.
(c)
getopt ( )
26.
(d)
g++
27.
(a)
.
28.
(c)
Class instantiation
29.
(a)
Simplified Wrapper Interface Generator
30.
(d)
Keyword
31.
(b)
dictreader ( )
32.
(b)
writerow ( )
33.
(a)
Excel
34.
(c)
writerow ( )
35.
(d)
dictionary
36.
(c)
pass
37.
(a)
3
38.
(b)
Tuple
39.
(d)
Comma separated values
40.
(a)
List
41.
(b)
Variable part
42.
(b)
Data Structures
43.
(a)
Memorization
44.
(d)
Error
45.
(b)
List
46.
(d)
delimiters
47.
(c)
2
48.
(a)
red
49.
(c)
character
50.
(d)
all of these
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

French
Tamilnadu Stateboard Standards