Here are the answers to your questions:
- D. All of the above (E-Commerce infrastructure involves web servers, e-catalogs, and networks.)
- D. Evaluating an Employee (This is not an E-Commerce application.)
- B. Digital products (They often have lower transaction costs and are easier to deliver.)
- A. Sale/Purchase of expensive jewellery and antiques (E-Commerce may not be as suitable for high-value, high-touch items.)
- D. All of these (The benefits of EDI include speed and volume, accuracy, and profit.)
- D. Polling (Polling is not a typical phase of an e-payment system.)
- A. Card based system. (This is the most common method for online payment.)
- D. All of the above (Flexibility, interoperability, and directness are essential features.)
- D. All of the above (Secure Electronic Transaction, Verified By Visa, and MasterCard secure code are all credit-based systems.)
- C. both a and b (The first layer of mobile computing architecture can be referred to as User Interface and Presentation tier.)
- B. Pirated software (This refers to the unauthorized use, duplication, distribution, or sale of copyrighted software.)
- D. All the above (Media convergence involves computing, communication, and content.)
- D. Smart cards (These are plastic cards the size of a credit card that contain an embedded chip for digital information storage.)
Let me know if you need further assistance!
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