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12th Standard Computer Science — Python and CSV files: Book Back Online Practice Test

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A CSV file is also known as a ....

A.Flat File B.3D File C.String File D.Random File

The expansion of CRLF is

A.Control Return and Line Feed B.Carriage Return and Form Feed C.Control Router and Line Feed D.Carriage Return and Line Feed

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

A.py B.xls C.csv D.os

Which of the following mode is used when dealing with non-text files like image or exe files?

A.Text mode B.Binary mode C.xls mode D.csv mode

The command used to skip a row in a CSV file is

A.next() B.skip() C.omit() D.bounce()

Which of the following is a string used to terminate lines produced by writer() method of csv module?

A.Line Terminator B.Enter key C.Form feed D.Data Terminator

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' contains the following details: chennai,mylapore mumbai,andheri

A.['chennai', 'mylapore'] B.['mumbai', 'andheri'] C.['chennai'] D.['chennai', 'mylapore', 'mumbai', 'andheri']

Which of the following creates an object which maps data to a dictionary?

A.listreader() B.reader() C.tuplereader() D.DictReader()

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

A.Editing B.Appending C.Modification D.Alteration

Q10

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()

A.Exam Quarterly Halfyearly B.Exam Quarterly Halfyearly C.Exam, Quarterly, Halfyearly D.Exam Quarterly Halfyearly on a single line

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About this Python and CSV files test

This free online practice test covers Python and CSV files from the 12th Standard Computer Science (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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1 Function 2 Data Abstraction 3 Scoping 4 Algorithmic Strategies 5 Python -Variables and Operators 6 Control Structures 7 Python functions 8 Strings and String manipulation 9 Lists, Tuples, Sets and Dictionary 10 Python Classes and objects 11 Database Concepts 12 Structured Query Language (SQL) 14 Importing C++ programs in Python. 15 Data manipulation through SQL 16 Data visualization using pyplot: line chart, pie chart and bar chart