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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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12th Standard Computer Science Python and CSV Files English Medium Free Online Test One Mark Questions 2020 - 2021

Published on: 05/11/2020

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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Std: 12th Standard - Computer Science

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Questions:

Multiple Choice Question

10 x 1 = 10

Which of the following is not a format in which CSV file data can be read?

(a)

Quotes

(b)

Pipe

(c)

Semi colon

(d)

Comma

The statement f = open ("sample.txt") equivalent to the mode

(a)

(b)

(c)

x or a

(d)

r or r+

CSV file can be opened in

(a)

Text mode

(b)

Binary mode

(c)

Application mode

(d)

a or b

In Excel, the default CSV files should open automatically by

(a)

Single click

(b)

Right click

(c)

Double click

(d)

None of these

In CSV file, each record is to be located on a separate line, delimited by a line break by pressing

(a)

Enter key

(b)

ESV key

(c)

Tab key

(d)

Shift key

Which of the following gives the python programmer the ability to parse CSV files?

(a)

CSV data

(b)

CSV module

(c)

CSV sheet

(d)

CSV flat file

Making some changes in the data of the existing file or adding more data is called

(a)

Editing

(b)

Appending

(c)

Modification

(d)

Alteration

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

(a)

chennai,mylapore

(b)

mumbai,andheri

(c)

chennai,mumba

(d)

chennai,mylapore,mumbai,andheri

Which of the following module is provided by Python to do several operations on the CSV files?

(a)

(b)

xls