Exam 14: Emerging Trends,technologies,and Applications

With _____ technology,a Web server delivers information to users who have signed up for this service instead of waiting for them to request the information be sent to them.

A disadvantage of the application service provider (ASP) model is that it is highly expensive.

Head-mounted displays (HMDs) can incorporate stereo sound into a virtual reality (VR) environment to make it more convincingly real.

The _____ component of a virtual reality (VR) system is an input device that captures and records movements of a user's feet as the user turns in different directions.

Discuss the drawbacks of grid computing.

A cave automatic virtual environment (CAVE) is a virtual environment consisting of a _____ room in which the walls are rear projection screens.

In a(n) _____ environment,a user is totally immersed in the virtual reality (VR) world.

Which of the following is an advantage of application service providers (ASPs)?

A(n) _____ is a 2D or 3D graphical representation of a person in the virtual world,used in chat rooms and online games.

_____ is also known as "on-demand software."

Bluetooth has line-of-sight limitations.

Another name for push technology is _____.

When using radio frequency identification (RFID),there are some technical problems and issues of privacy and security.

What is the major reason for the popularity of QR (quick response) codes?

_____ is a small electronic device consisting of a microchip and an antenna and performs the same task as bar codes.

_____ refers to giving objects in a virtual reality (VR) environment texture and shading for a three-dimensional (3D) appearance.

With _____ computing,users can make use of other computers' resources to solve problems involving large-scale,complex calculations,such as circuit analysis or mechanical design-problems that a single computer is not capable of solving in a timely manner.

_____ computing is also known as on-demand computing.

What are the disadvantages of Worldwide Interoperability for Microwave Access (WiMAX)?

A(n) _____ is a matrix barcode consisting of black modules arranged in a square pattern on a white background.