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Published on: 10/09/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Computer Science Subject - Python and CSV Files , English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
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.
Questions + Answers key
Take MCQ Computer Science Test
1.
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
2.
3.
Which of the following creates an object which maps data to a dictionary?
listreader()
reader()
tuplereader()
DictReader ()
4.
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
5.
Which of the following is a string used to terminate lines produced by writer()method of csv module?
Line Terminator
Enter key
Form feed
Data Terminator
6.
The command used to skip a row in a CSV file is
next()
skip()
omit()
bounce()
7.
Which of the following mode is used when dealing with non-text files like image or exe files?
Text mode
Binary mode
xls mode
csv mode
8.
Which of the following module is provided by Python to do several operations on the CSV files?
py
xls
csv
os
9.
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
10.
A CSV file is also known as a ….
Flat File
3D File
String File
Random File
1.
(d)
Exam, Quarterly, Halfyearly
2.
(c)
3.
(d)
DictReader ()
4.
(b)
mumbai,andheri
5.
(a)
Line Terminator
6.
(a)
next()
7.
(b)
Binary mode
8.
(c)
csv
9.
(d)
Carriage Return and Line Feed
10.
(a)
Flat File
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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
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