Thursday, February 11, 2010

Practice test questions

1- Computer simulation is the use of computers to imitate an environment that students can explore and learn in, without facing the dangers that they would face in real-life.

Answer: Computer simulations are those programs based on models (descriptions of reality) in order to imitate a certain scenario. Simulations can be used in a wide sprectrum of areas, including business (stock markets), traffic, training (especially for military purposes), communalistic matters, and the weather.

2-Bandwidth is the frequency at which information travels over a network or the Internet.

Answer: Bandwidth refers to the speed and capability of a connection (internet) to transfer a certain amount of data per unit of time. Most of the time, the unit of time are seconds and data is classified into kb. It also refers to the physical measurements of the band through which connection cables pass.

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