Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R19 2022 March-April 864AA Python Programming Previous Question Paper
R19
Code No: 864AA
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, March/April - 2022
PYTHON PROGRAMMING
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.a)
What are the various ways of quoting strings in python? Explain how to read strings from
user and print them with an illustrative python program.
b)
Illustrate the following built-in-functions in python:
[5+10]
i) cmp()
ii) repr()
iii) str()
iv) type()
v) isinstance()
2.a)
Demonstrate the concept of implicit and explicit conversion.
b)
Summarize various string built-in-functions briefly.
[7+8]
3.
Explain the following file system built-in functions with illustrative examples:
[15]
a) stat()
b) access()
c) chmod()
d) umask()
4.a)
State the advantages of using modules in programming.
b)
Write a python program to raise division-by-zero exception and explain how to handle
using python exception handling mechanism in detail.
[5+10]
5.
What are regular expressions? Examine how Python supports regular expressions through
`re' module.
[15]
6.a)
What are threads and processes? How is a thread different from a process?
b)
Explain the following `tHRead' module functions in detail with example codes in python.
i) start_new_thread()
ii) allocate_lock()
iii) acquire()
[6+9]
7.
What are the core urlparse module functions used to manipulate url strings? Give a detail
description of each function/method.
[15]
8.
What is the need of Object-Relational Managers? Explain in detail about python ORM
SQLAlchemy basic feature with an example application.
[15]
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This post was last modified on 17 March 2023