CBCS/B.Sc./Hons./Programme/1st Sem.
/CMSHGEC01T/CMSGCOR01T/2020, held in 2021
WEST BENGAL STATE UNIVERSITY
B.Sc. Honours/Programme 1st Semester Examination, 2020, held in 2021
CMSHGEC01T/CMSGCOR01T-COMPUTER SCIENCE (GE1/DSC1)
Time Allotted: 2 Hours Full Marks: 40
The figures in the margin indicate full marks.
Candidates should answer in their own words and adhere to the word limit as practicable.
All symbols are of usual significance.
GROUP-A
1. Answer any four questions from the following: 2×4 = 8
(a) What is flow-chart?
(b) How performance of an algorithm can be measured?
(c) What is the purpose of exit() function in Python?
(d) What do you mean by interpreter?
(e) “Python is a high level programming language” ….. Justify it.
(f) Mention all four categories of CPU registers.
(g) What is meant by cache memory?
GROUP-B
Answer any four questions from the following 8×4=32
2. (a) Explain all type of errors that can occur during programming. 3
(b) Write down any two advantages of program documentation. 2
(c) Write an algorithm to check whether a number is palindrome or not. 3
3. (a) Differentiate between primary memory and secondary memory. 2
(b) What do you mean by I/O interfaces? 2
(c) Write the functions of ALU and CU. 2+2
4. (a) Write a program in Python to display the first n terms of the Fibonacci series. 4
(b) Write a program in Python to find the factorial of any number n. 4
5. (a) What are classes and objects? Give examples. 3
(b) State the basic features of OOPS. 3
(c) What do you mean by indentation in Python? 2
1107 1 Turn Over
CBCS/B.Sc./Hons./Programme/1st Sem./CMSHGEC01T/CMSGCOR01T/2020, held in 2021
6. (a) What do you mean by built-in-functions in Python? Give examples. 2
(b) Distinguish among „break‟ and „continue‟ statements in Python with example 3+3
program.
7. (a) What is List in Python? 2
(b) Name in-built methods of Python List which are responsible for the followings
and state how they can be called for:
(i) To add a new element in the Python List 2
(ii) To delete an item with the specified value from the Python List. 2
(c) What is tuple in Python? 2
8. Write short notes on any two of the following: 4×2=8
(i) Top-down vs. Bottom-up approach
(ii) Types and generations of Computers
(iii) Memory Hierarchy.
N.B. : Students have to complete submission of their Answer Scripts through E-mail / Whatsapp to
their own respective colleges on the same day / date of examination within 1 hour after end
of exam. University / College authorities will not be held responsible for wrong submission
(at in proper address). Students are strongly advised not to submit multiple copies of the
same answer script.
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