E-commerce: Electronic commerce is a method of buying and selling of products or goods through online. Here, money and data transactions are done using internet. E-commerce is also called as electronic commerce or internet commerce. Even though the technologies available such as e-mail, social media, and mobiles, the modern e-commerce mostly uses the internet for the online purchasing of products. It is the most efficient method to communicate within the organization of business transactions such as maintaining the financial records of the users such as bank balances, name, and address. But it is just a part of e-commerce business.

Question

6. What is Race condition? How to prevent it? [2 marks] 7. How many synchronization methods do you know and compare the differences. [2 marks] 8. Explain what are the “mutual exclusion”, “deadlock”, “livelock”, and “eventual entry”, with the traffic intersection as an example like dinning philosophy. [2 marks] 9. For memory allocation, what are the difference between internal fragmentation and external fragmentation. Explain with an example. [2 marks] 10. How can the virtual memory map to the physical memory. Explain with an example. [2 marks]

Answer 1

Question

Chapter 8, Problem 1CTQ1

Program Plan Intro

E-commerce:

Electronic commerce is a method of buying and selling of products or goods through online. Here, money and data transactions are done using internet.

E-commerce is also called as electronic commerce or internet commerce.

Even though the technologies available such as e-mail, social media, and mobiles, the modern e-commerce mostly uses the internet for the online purchasing of products.

It is the most efficient method to communicate within the organization of business transactions such as maintaining the financial records of the users such as bank balances, name, and address. But it is just a part of e-commerce business.

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