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

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

num1 = 24 // 4 // 2
print(num1)

Write a program to input your friends’ names and Phone Numbers and store them in the dictionary as the key-value pair. Perform the following operations on the dictionary:

1. Display the name and phone number of all your friends
2. Add a new key-value pair in this dictionary and display the modified dictionary
3. Delete a particular friend from the dictionary
4. Modify the phone number of an existing friend
5. Check if a friend is present in the dictionary or not
6. Display the dictionary in sorted order of names

Identify the category (system, application, programming tool) of the following software:

Ubuntu

Ask your teacher to help you locate any two device drivers installed on your computer.

Write any two system software and two application software installed on your computer.

Express the following octal number into their equivalent decimal number.

145

Express the following octal number into their equivalent decimal number.

6760

Express the following octal number into their equivalent decimal number.

455

Express the following octal number into their equivalent decimal number.

10.75

Convert the following binary number into an octal and hexadecimal number.

1110001000

Convert the following binary number into an octal and hexadecimal number.

110110101

Convert the following binary number into an octal and hexadecimal number.

1010100

Convert the following binary number into an octal and hexadecimal number.

1010.1001

Write the binary equivalent of the following octal number.

2306

Write the binary equivalent of the following octal number.

5610

Write the binary equivalent of the following octal number.

742

Write the binary equivalent of the following octal number.

65.203

Write a short note on the following:

Cloud Computing

Justify the following statement:

“Storage of data is cost-effective and time saving in cloud computing.”

What is an on-demand service? How it is provided in cloud computing?