Science (English Medium) कक्षा ११ - CBSE Question Bank Solutions for Computer Science (Python)

Write the difference between the following -

Non-ethical hacking and Ethical hacking

Describe why it is important to secure your wireless router at home. Search the Internet to find the rules to create a reasonably secure password. Create an imaginary password for your home router. Will you share your password for the home router with the following people? Justify your answer.

1. Parents
2. Friends
3. Neighbours
4. Home Tutors

List down the steps you need to take in order to ensure -

your computer is in good working condition for a longer time.

Cite examples depicting that you were a victim of the following cybercrime. Also, cite provisions in IT Act to deal with such a cybercrime.

Identity theft

Cite examples depicting that you were a victim of the following cybercrime. Also, cite provisions in IT Act to deal with such a cybercrime.

Credit card account theft

Observe the following program carefully, and identify the error:

from math import sqrt,ceil
def calc():
      print cos(0)
calc()                #function call

Write a program that contains user-defined functions to calculate area, perimeter, or surface area whichever is applicable for various shapes like square, rectangle, triangle, circle, and cylinder. The user-defined functions should accept the values for calculation as parameters and the calculated value should be returned. Import the module and use the appropriate functions.

Write a Python program to find the highest 2 values in a dictionary.

Write a Python program to create a dictionary from a string.

Note: Track the count of the letters from the string.

Sample string: 'w3resource'
Expected output : {'3': 1, 's': 1, 'r': 2, 'u': 1, 'w': 1, 'c': 1, 'e': 2, 'o': 1}

For the SMIS System given in Chapter 5, let us do the following: Write a program to take in the roll number, name, and percentage of marks for n students of Class X. Write user-defined functions to

• accept details of the n students (n is the number of students)
• search details of a particular student on the basis of roll number and display the result
• display the result of all the students
• find the topper among them
• find the subject toppers among them

(Hint: use Dictionary, where the key can be roll number and the value is an immutable data type containing the name and percentage).

Let’s peer review the case studies of others based on the parameters given under “DOCUMENTATION TIPS” at the end of Chapter 5 and provide feedback to them.

How would you recognize if one of your friends is being cyberbullied?

What provisions are in the IT Act 2000, (amended in 2008) to combat such situations?

Which data type will be used to represent the following data values and why?

Number of months in a year

Which data type will be used to represent the following data values and why?

A resident of Delhi or not

Which data type will be used to represent the following data values and why?

Mobile number

Which data type will be used to represent the following data values and why?

Pocket money

Which data type will be used to represent the following data values and why?

Volume of a sphere

Which data type will be used to represent the following data values and why?

Perimeter of a square

Which data type will be used to represent the following data values and why?

Name of the student

Which data type will be used to represent the following data values and why?

Address of the student

Give the output of the following when num1 = 4, num2 = 3, num3 = 2.

num1 += num2 + num3
print (num1)