The document summarizes different types of computer activities including e-learning, e-banking, and e-shopping. It discusses e-learning, defining it as using technology to enable learning anywhere. E-learning can be CD-ROM, network, intranet, or internet based. Advantages are lower cost and faster self-paced learning while disadvantages include lack of control and difficulty adopting the approach. E-banking is defined as electronic or online banking, allowing convenient account access and maintenance though security issues exist like hacking and transaction problems.