41) Today most business firms have discontinued operating their legacy systems, replacing these with inexpensive Web services and hosted software.
42) Scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
43) TCO refers to the original cost of purchased technology: both hardware and software.
44) Outsourcing means contracting with others to perform some operations that could not be done in-house by the company itself.
45) Digital management services store and manage corporate data and provide capabilities for analyzing the data.
46) Single-touch interfaces are potentially more versatile than multi-touch interfaces.
47) IT research and development services provide the firm with research on potential future IT projects and investments that might help the firm differentiate itself in the marketplace.
48) The iPhone's multi-touch display and software lets you control everything with only your fingers.
49) Data hungry tasks such as video on demand, downloading music, exchanging photos, and maintaining Web sites require more and more power-hungry machines.
50) Some organizations spend more money to keep their data centres cool than they spend to lease the property itself.
51) PCs typically stay on more than twice the amount of time they are actually being used each day.
52) Virtualization is a highly effective tool for cost-effective green computing, because it reduces the number of servers and storage resources in the firm's IT infrastructure.
53) It is always necessary to purchase new technologies to achieve "green" goals.