On this page we have uploaded MBOSE HSSLC Class 11 Question Paper for Computer Science released by www.mbose.in. The question paper provided here from Meghalaya State Board. Download the 2020 question paper pdf as well.
Meghalaya State Board has published subject wise question paper for this year Class 11 students in its official portal www.mbose.in. Here we have published Class 11 MBOSE question paper 2020-21 for Computer Science subject. For more information regarding Meghalaya HSSLC Class 11 2020 Exam Date, Exam Pattern, Time, Date, How to prepare follow our website.
Meghalaya Board (MBOSE) HSSLC Class 11 Question Papers – Computer Science Subject
1.) Choose the correct answer from the following
(i) Which of the following is not mutable types?
(a) List
(b) Tulpe
(c) Dictionary
(d) Sets.
(ii) What will be the output of the following expression?
a = 10
b = 4
c = a % b
(a) 2.5
(b) 2.0
(c) 2
(d) 3.0
(iii) Write the for statement to generate the following series.
2 4 6 8 10
(a) for i in range (2 to 10, 2):
(b) for i in range (2 to 11, 2):
(c) for i in range (2, 10, 2):
(d) for i in range (2, 11, 2):
(iv) _______ are small data holding areas within CPU that hold data, instructions and memory address during Processing.
(a) RAM chips
(b) CD-ROMs
(c) SoC chips
(d) Registers.
(v) Which of the following key is used to represent the relationship between two tables?
(a) Primary Key
(b) Foreign Key
(c) Alternate Key
(d) Candidate Key
(vi) _______ is a small piece of data sent from a website and stored in a user’s web browser while a user is browsing a Website.
(a) spam
(b) viruses
(c) cookies
(d) Digital Footprint
2.) Answer the following questions in not more than two sentences:
(i) What are literals in Python?
(ii) What is the significance of pass statement in Python?
(iii) What are Python Lists?
(iv) What is Unicode?
(v) What is a database system?
(vi) What is Cyber Safety?
3.) Answer the following questions in brief:
(i) What are operators? What are their functions?
(ii) What are floating numbers? When are they preferred over integers?
(iii) What is entry-controlled loop? Give one example.
(iv) Differentiate between a syntax error and logical error in a program.
(v) What will be the output of the following expression?
(a) ‘MYSTRY” [:4]
(b) “pine’’ in “Pineapple”
(vi) How are individual elements of Dictionaries accessed?
4.) Answer the following:
(i) What are the built-in core data types of Python?
What are Numeric types? How many numeric data types does Python provide?
(ii) Write the output of the following code fragments:
x = 15
y = 5
while x>y :
print (x, y)
x = x – 2
y = y + 2
Or
Explain the if-else statement with example
(iii) Write a program that asks the user to input a year and to find out whether it is a leap year or not.
Or
What will be the output of the following code fragment
t1 = (4, 5, 6)
t2 = (6, 7)
t3 = t1 + t2
t4 = t2 + t3
Print (t3)
Print (t4)
5.) Answer the following:
(i) What is the difference between append ( ) and insert ( ) methods of list. Explain with examples.
Write a Python program to input three integers and find out the largest integer.
(ii) Write a Python program to sort a list of integers using Bubble sort.
Or
Explain get ( ) and update ( ) methods of Dictionary with examples.
6.) Answer the following questions:
(i) What is the function of main memory? What are the measuring units of memory?
(ii) What are De Morgan’s theorems?
Or
Prove the following Boolean expression:
A (B + B’C + B’C’) = A
7.) Draw a block diagram depicting organization of a mobile system.
Or
Convert the following:
(a) (1876.B4)16 to Binary
(b) (110010.101)2 to Decimal.
8.) Answer the following:
(i) Write two advantages of using database.
(ii) Differentiate between Char and Varchar Datatypes.
(iii) What is Primary Key? What is Primary Key constraint?
9.) Write the purpose and example of each MYSQL function.
(a) Upper ( )
(b) NOW ( )
(c) LTRIM ( )
Or
What are table constraints? What are column constraints? How does these two differ?
10.) What is NOSQL database? What are its main features?
List name of four types of NOSQL Databases.
Consider the following TEACHER table and write SQL commands for the following queries.
TNO |
TNAME | SALARY | DEPT | DOJ |
T01 | VARUN SHARMA | 25000 | PHYSICS |
2000/01/01 |
TO2 |
RUPAK DAS | 25700 | COMPUTER SCIENCE | 1999/01/05 |
T03 | MITALE BARUA | 30000 | COMPUTER SCIENC |
2001/10/01 |
T04 |
SHYAMA DUTTA | 24000 | CHEMISTRY |
2000/02/07 |
(a) Display all records from the table TEACHER.
(b) Display all records whose SALARY is more than 25000.
(c) Display the NAME and SALARY of the teachers whose DEPT is COMPUTER SCIENCE.
(d) Insert a new row in the TEACHER table with following data:
T05, SUMAN SINHA, 25200,
CHEMISTRY, 2001/04/01
11.) Answer the following questions:
(i) What is Cyber bullying and Cyber stalking?
(ii) What are different types of threats to computer security? Explain any one of them.
(iii) What is phishing? How is pharming similar to and different from phishing?