Science (English Medium) Class 11 - CBSE Question Bank Solutions for Computer Science (Python)

Name the software required to make a computer functional. Write down its two primary services.

How do different components of the computer communicate with each other?

Draw the block diagram of a computer system. Briefly write about the functionality of each component.

Name the input or output device used to do the following:

To output audio

Name the input or output device used to do the following:

To enter textual data

Name the input or output device used to do the following:

To make a hard copy of a text file

Name the input or output device used to do the following:

To display the data or information

Name the input or output device used to do the following:

To enter the audio-based command

Name the input or output device used to do the following:

To build 3D models

Name the input or output device used to do the following:

To assist a visually-impaired individual in entering data

Write base values of binary, octal, and hexadecimal number system.

Let us add more functionality to our SMIS developed in Chapter 5.

6.1 Write a menu-driven program that has options to

• accept the marks of the student in five major subjects in Class X and display the same.
• calculate the sum of the marks of all subjects. Divide the total marks by the number of subjects (i.e. 5), calculate percentage = total marks/5, and display the percentage.
• Find the grade of the student as per the following criteria:

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. 

What will be the output of the following statement?

list1 = [12,32,65,26,80,10]
list1.sort()
print(list1)

What will be the output of the following statement?

list1 = [12,32,65,26,80,10]
sorted(list1)
print(list1)

What will be the output of the following statement?

list1 = [1,2,3,4,5,6,7,8,9,10]
list1[::-2]
list1[:3] + list1[3:]

What will be the output of the following statement?

list1 = [1,2,3,4,5]
list1[len(list1)-1]

Write a program to find the number of times an element occurs in the list.

“Lists and Tuples are ordered”. Explain.

What advantages do tuples have over lists?

When to use a tuple or dictionary in Python. Give some examples of programming situations mentioning their usefulness.