Class :- 12th Chapter - 4 Introduction to E-Commerce

Choose the most appropriate option from those given below :

(1) Which of the following is an example for online bookstore ?

(a) Amazon

(b) irctc

(d) yahoo

(2) Which of the following is newspaper that exists on the Internet in digital form ?

(a) l-newspaper

(b) Internet-newspaper

(d) E-newspaper

(3) Which of the following is the process of buying and selling products by offering the customers to bid the price ?

(a) Marketing

(b) Auction

(d) Booking

(4) Which of the following is known as the process of conducting the banking transactions over the Internet ?

(a) Auction

(b) Bidding

(d) www-banking

(5) Which of the following is a feature of traditional commerce ?

(a) Operates within a certain period of time or during business hours.

(b) Advertising of the product is done electronically.

(d) Customers can browse through products and offers.

6 Which of the following is a feature of E-commerce ?

(a) Operates within a certain period of time or during business hours.

(b) No sharing of information with competitors.

(d) Advertising of the product is done electronically,

(7) Which of the following is not an advantage of E-commerce ?

(a) Lower cost

(b) Conduct business 24x7

(d) No geographical limitations

(8) Which of the following is a disadvantage of E-commerce ?

(a) Privacy

(b) Improved customer service

(d) Conduct business 24x7

(9) Which of the following E-commerce business model refers to business and organizations that sell products or services to consumers over the Internet using websites?

(a) Business to Consumer (B2C)

(b) Business to Business (B2B)

(d) Government to Business (G2B)

(10) Which of the following E-commerce business model refers to activities between different business partners ?

(a) Government to Business (G2B)

(b) Consumer to Business (C2B)

(d) Business to Consumer (B2C)

(11) Which of the following is a good example of C2C model ?

(a) Auction sites

(b) E-newspaper

(d) Information services

(12) Which of the following E-commerce business model refers to E-commerce activities involving transactions between and among the consumers ?

(a) Government to Business (G2B)

(b) Consumer to Consumer (C2C)

(d) Business to Consumer (B2C)

(13) Which of the following E-commerce business model involves reverse auctions where the conşumers determine the prices of the products or services ?

(a) Consumer to Business (C2B)

(b) Business to Business (B2B)

(d) Government to Business (G2B)

(14) Which of the following e-commerce business model is also a part of E-governance ?

(a) Business to Business (B2B) (b) Consumer to Business (C2B)

(15) Which of the following E-commerce business model refers to online non-commercial communication between the Government agencies, organizations and departments with other Government agencies, organizations and departments ?

(a) Business to Business (B2B)

(b) Consumer to Business (C2B)

(d) Consumer to Consumer (C2C)

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11. Write a Java program to input basic salary of an employee and calculate its Gross salary according to following:

11. Write a Java program to input basic salary of an employee and calculate its Gross salary according to following: Basic Salary <= 10000 : HRA = 20%, DA = 80% Basic Salary <= 20000 : HRA = 25%, DA = 90% Basic Salary > 20000 : HRA = 30%, DA = 95% Static Solution :- class salary { public static void main(String args[]) { double basic=20000.50,gross,da,hra; if(basic <=10000) { da = basic * 0.8; hra = basic *0.2; } else if(basic <=20000) { da = basic * 0.9; hra = basic *0.25; } else { da = basic * 0.95; hra = basic * 0.3; } gross = basic + da + hra; System.out.println("The Gross Salary is :-"+gross); } } Output :- Dynamic Solution :- class salary { public static void main(String args[]) { double basic=20000.50,gross,da,hra; Scanner in = new Scanner(System.in); System.out.println("Enter the Basic Salary

1. Given the school result data, analyses the performance of the students on #different parameters, e.g subject wise or class wise.

1. Given the school result data, analyses the performance of the students on #different parameters, e.g subject wise or class wise. Solution :- # x-axis is shows the subject and y -axis # shows the markers in each subject # import pandas and matplotlib import pandas as pd import matplotlib.pyplot as plt # Simple Line Chart with setting of Label of X and Y axis, # title for chart line and color of line subject = ['Physic','Chemistry','Mathematics', 'Biology','Computer'] marks =[80,75,70,78,82] # To draw line in red colour plt.plot(subject,marks,'r',marker ='*') # To Write Title of the Line Chart plt.title('Marks Scored') # To Put Label At Y Axis plt.xlabel('SUBJECT') # To Put Label At X Axis plt.ylabel('MARKS') plt.show() Output :-

24.Create a Data Frame quarterly sales where each row contains the item category, item name, and expenditure. Group the rows by the category and print the total expenditure per category.

24.Create a Data Frame quarterly sales where each row contains the item category, item name, and expenditure. Group the rows by the category and print the total expenditure per category. import pandas as pd # initialize list of lists data = [['CAR','Maruti',1000000],['AC','Hitachi',55000],['AIRCOLLER','Bajaj',12000], ['WASHING MACHINE','LG',15000],['CAR','Ford',7000000],['AC','SAMSUNG',45000],['AIRCOLLER','Symphony',20000],['WASHING MACHINE','Wirlpool',25000]] Col=['itemcat','itemname','expenditure'] # Create the pandas DataFrame qrtsales = pd.DataFrame(data,columns=Col) # print dataframe. print (qrtsales) qs=qrtsales.groupby('itemcat') print('Result after Filtering Dataframe') print(qs['itemcat','expenditure'].sum()) Output :-

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