What are the major computer hardware, data storage, input, and output technologies used in business and the major hardware trends?

a. List and describe the various type of computers available to businesses today.

b. Define the client/server model of computing and describe the difference between two-tiered and n-tier client/server architecture.

c. List the most important secondary storage media and the strengths and limitations of each.

d. List and describe the major computer input and output devices.

e. Define and describe the mobile digital platform, BYOD, nanotechnology, grid computing, cloud computing, virtualization, green computing, and multicore processing.