a) Difference between e-commerce and m-commerce. b) What are the barriers of e-commerce? c) What is cryptography, and why are cryptography and…

a) Difference between e-commerce and m-commerce.

b) What are the barriers of e-commerce?

c) What is cryptography, and why are cryptography and public key infrastructure important to e-commerce?

From the BCS General Cadre 2017 – 37th BCS Written (BPSC) exam, question 2 of 7.

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