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: 26/08/2020
12th Standard Computer Science English Medium Model 1 Mark Book Back Questions (New Syllabus) 2020
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.
Read the statements given below. Identify the right option from the following for pie chart.
Statement A: To make a pie chart with Matplotlib, we can use the plt.pie() function.
Statement B: The autopct parameter allows us to display the percentage value using the Python string formatting.
Statement A is correct
Statement B is correct
Both the statements are correct
Both the statements are wrong
2.
Which is a python package used for 2D graphics?
matplotlib.pyplot
matplotlib.pip
matplotlib.numpy
matplotlib.plt
3.
Which of the following clause avoide the duplicate?
Distinct
Remove
Where
GroupBy
4.
SQLite falls under which database system?
Flat file database system
Relational Database system
Hierarchical database system
Object oriented Database system
5.
What does __name__ contains?
c++ filename
main() name
python filename
os module name
6.
Which of the following is a software design technique to split your code into separate parts?
Object oriented Programming
Modular programming
Low Level Programming
Procedure oriented Programming
7.
What will be written inside the file test.csv using the following program
import csv
D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
wr = csv.writer(f,dialect='M')
wr.writerows(D)
f.close()
Exam Quarterly Halfyearly
Exam Quarterly Halfyearly
E, Q, H
Exam, Quarterly, Halfyearly
8.
The expansion of CRLF is
Control Return and Line Feed
Carriage Return and Form Feed
Control Router and Line Feed
Carriage Return and Line Feed
9.
The clause used to sort data in a database
SORT BY
ORDER BY
GROUP BY
SELECT
10.
Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.
DDL
DML
DCL
DQL
11.
Who is called Father of Relational Database from the following?
Chris Date
Hugh Darween
Edgar Frank Codd
Edgar Frank Cadd
12.
What type of relationship does hierarchical model represents?
one-to-one
one-to-many
many-to-one
many-to-many
13.
A private class variable is prefixed with
__
&&
##
**
14.
Which of the following method is automatically executed when an object is created?
__object__( )
__del__( )
__func__( )
__init__( )
15.
What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
[0,1,2,4,5]
[0,1,4,9,16]
[0,1,4,9,16,25]
[1,4,9,16,25]
16.
If List=[10,20,30,40,50] then List[2]=35 will result
[35,10,20,30,40,50]
[10,20,30,40,50,35]
[10,20,35,40,50]
[10,35,30,40,50]
17.
What is stride?
index value of slide operation
first argument of slice operation
second argument of slice operation
third argument of slice operation
18.
What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"
Chennai-Schools
Chenna-School
Type error
Chennai
19.
In which arguments the correct positional order is passed to a function?
Required
Keyword
Default
Variable-length
20.
A Function which calls itself is called as
Built-in
Recursion
Lambda
return
21.
What is the output of the following snippet?
i=1
while True:
if i%3 ==0:
break
print(i,end='')
i +=1
12
123
1234
124
22.
elif can be considered to be abbreviation of
nested if
if..else
else if
if..elif
23.
Which of the following is not a stable sorting algorithm?
Insertion sort
Quick sort
Merge sort
Selection sort
24.
Two main measures for the efficiency of an algorithm are
Processor and memory
Complexity and capacity
Time and space
Data and space
25.
Which of the following is not a Keyword in Python?
break
while
continue
operators
26.
Which of the following security technique that regulates who can use resources in a computing environment?
Password
Authentication
Access control
Certification
27.
Which of the following is a compound structure?
Pair
Triplet
single
quadrat
28.
Which of the following defines what an object can do?
Operating System
Compiler
Interface
Interpreter
1.
(c)
Both the statements are correct
2.
(a)
matplotlib.pyplot
3.
(a)
Distinct
4.
(b)
Relational Database system
5.
(a)
c++ filename
6.
(b)
Modular programming
7.
(d)
Exam, Quarterly, Halfyearly
8.
(d)
Carriage Return and Line Feed
9.
(b)
ORDER BY
10.
(a)
DDL
11.
(c)
Edgar Frank Codd
12.
(b)
one-to-many
13.
(a)
__
14.
(d)
__init__( )
15.
(b)
[0,1,4,9,16]
16.
(c)
[10,20,35,40,50]
17.
(d)
third argument of slice operation
18.
(c)
Type error
19.
(a)
Required
20.
(b)
Recursion
21.
(a)
12
22.
(c)
else if
23.
(d)
Selection sort
24.
(c)
Time and space
25.
(d)
operators
26.
(c)
Access control
27.
(a)
Pair
28.
(c)
Interface
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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