12th Standard Syllabus & Materials
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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 One mark Important Questions - 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.
____________ is used for controlling privileges in the database?
DML
DCL
DDl
DQL
2.
Which clause SELECT command is used to produce summary report form the database?
GROUP BY
REPORT BY
ORDER BY
WHERE BY
3.
______ in data visualization helps to show relationship in the data for more variables
Tables
Graphics
Charts
Dashboards
4.
In which plot the width of the bars is always same?
Line
Bar chat
Pie chart
Histogram
5.
The different kinds of plot created using
Matplotlib
Matplot
Plotlib
Matliplot
6.
Which button allows to configure various spacing options with figure?
configure plots
configure subplots
subplots configure
plots configure
7.
Which of the following translate complex ideas and concepts into a simple visual format?
(i) Data visualization
(ii) Dashboards
(iii) Tables
(iv) Maps
i,iii
iii, i
i, iv
i, ii
8.
The numerical data is encoded using
dots
lines
bars
all of these
9.
All the SQlite commands will be executed using _______ object
connect
cursor
CSV
python
10.
_________ is a simple relational database system.
Cython
Boost
MySQL
SQlite
11.
How many kinds of placeholders the SQlite3 module supports
1
2
3
5
12.
The command to modify the values in the existing table
MODIFY
SELECT
UPDATE
CHANGE
13.
The SQlite clause is used to sort the data in the table is
SORT
ORDER BY
GROUP BY
ASC SORT
14.
The SQlite command opens the already created database is
Cursor
Sql-comm
Connect
Connection
15.
Expand DBMS
Database memory system
Digital Based Management source
Database Management system
Digital Database Management system
16.
Write the output for the following code:
c=1
def add():
c=c+3
print (c)
add()
1
4
3
error
17.
__________ refers to the complete path where python is installed.
Relative path
Python path
Absolute path
Directory path
18.
__________ is typically interpreted language.
Python
Java
C++
None of these
19.
Which of the following is a python module?
Sys
OS
Getopt
All of these
20.
MinGW expansion is
Minimalist Graphics for windows
Minimum GNU for windows
Minimalist GNU for Windows
Motion Graphics for windows
21.
A scripting language requires
Compiler
Interpreter
Python
Modules
22.
Which of the following is not a compiled statically typed language?
C++
Java
Python
All of these
23.
A ________ is a string used to terminate lines produced by writer ( )
Line
Custom Delimiters
Line Terminator
Quotes
24.
The default mode in which CSV file are opened is __________.
Binary mode
Text mode
Process mode
Write mode
25.
Which method is used to write all the data at once?
write
writer ( )
writerow ( )
allrow ( )
26.
Which method returns a writer object which converts the user's data into delimited strings on the given file-like object?
csv.write row ( )
csv.write user ( )
csv.write ( )
csv.write ( )
27.
The statement f = open ("sample.txt") equivalent to the mode
r
x
x or a
r or r+
28.
How many modes can be specified while opening a CSV file?
2
4
3
None of these
29.
Which of the following can protect if the data itself contains commas in CSV file?
' '
, ,
" "
30.
_______are languages that uses meaningful statements about time and space complexity?
Time and space trade
Asymptotic notations
Complexity notations
Algorithmic notations
31.
Bubble sort is also called
Sequential sort
Quick sort
Half-interval sort
Comparison sort
32.
0(1) is an example of
best case
worst case.
Average case
Null casd
33.
Which of the following is not a searching technique?
(i) Linear
(ii) Binary
(iii) Selection
(iv) Merge
Only i
Only ii
Only iii
iii and iv
34.
Fill up the blank in assign a variable with________to an object.
=
! =
: =
= =
35.
Which of the following extract the information of the object?
Constructors
Functions
Selectors
Destructors
36.
Which of the following provides modularity?
Datatypes
Subroutines
Classes
Abstraction
37.
Which of the following is called the master table?
sqlite_master
sql_master
main_master
master_main
38.
getopt() will return an empty array if there is no error in splitting strings to
argv variable
opt variable
args variable
ifile variable
39.
40.
What is the output of the following program? import csv
d=csv.reader(open('c:\PYPRG\ch13\city.csv'))
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri
chennai,mylapore
mumbai,andheri
chennai,mumba
chennai,mylapore,mumbai,andheri
41.
What symbol is used for SELECT statement?
σ
Π
X
Ω
42.
43.
Functions defined inside a class:
Functions
Module
Methods
section
44.
Pick odd one in connection with collection data type
List
Tuple
Dictionary
Loop
45.
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
46.
Who developed Python?
Ritche
Guido Van Rossum
Bill Gates
Sunder Pitchai
47.
Containers for mapping names of variables to objects is called
Scope
Mapping
Binding
Namespaces
48.
Which of the following is a compound structure?
Pair
Triplet
single
quadrat
49.
The data type whose representation is unknown are called
Built in datatype
Derived datatype
Concrete datatype
Abstract datatype
50.
1.
(b)
DCL
2.
(a)
GROUP BY
3.
(c)
Charts
4.
(b)
Bar chat
5.
(a)
Matplotlib
6.
(b)
configure subplots
7.
(d)
i, ii
8.
(d)
all of these
9.
(b)
cursor
10.
(d)
SQlite
11.
(b)
2
12.
(c)
UPDATE
13.
(b)
ORDER BY
14.
(c)
Connect
15.
(c)
Database Management system
16.
(d)
error
17.
(c)
Absolute path
18.
(a)
Python
19.
(d)
All of these
20.
(c)
Minimalist GNU for Windows
21.
(b)
Interpreter
22.
(c)
Python
23.
(c)
Line Terminator
24.
(b)
Text mode
25.
(c)
writerow ( )
26.
(c)
csv.write ( )
27.
(d)
r or r+
28.
(c)
3
29.
(c)
" "
30.
(b)
Asymptotic notations
31.
(d)
Comparison sort
32.
(a)
best case
33.
(d)
iii and iv
34.
(c)
: =
35.
(c)
Selectors
36.
(d)
Abstraction
37.
(a)
sqlite_master
38.
(a)
argv variable
39.
(a)
40.
(b)
mumbai,andheri
41.
(a)
σ
42.
(b)
43.
(c)
Methods
44.
(d)
Loop
45.
(a)
12
46.
(b)
Guido Van Rossum
47.
(d)
Namespaces
48.
(a)
Pair
49.
(d)
Abstract datatype
50.
(c)
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
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NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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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