week lesson 4

Chat is a real time typed conversation that takes place on PCs
How does a mail travel
Email is a short way to write electric mail
It's a transmision of messenge and file via a computer network
e-commerce:
Short way to write electronic commerce
Business transaction that occurs over the internet

week lesson 3

Blog is a website that you can share ideas, diaries, stuff with other peoples. There are lots of graphic format used on website BMP, JPEG, GIF, PNG and TIFF.