The paper offers a literature review on WiMax technology comparing different architectures of Wimax, i.e. point-to-point, point to multipoint and mobile. A tabulation of various wireless technologies is presented, such as blue tooth, satellite, 3g mobiles, in terms of official standards, operating frequency, bandwidth, data rate, range, etc. Potential future evolution of Wimax services is described offering a technical insight into various modulations, radio frequency architecture and Sectorization.
The paper examines the role of multimedia computers in teaching English as a Second Language (ESL) focusing on Multimedia Tools Computer Audio and evaluating their effectiveness in meeting the needs of ESL students in learning English pronunciation. The background of the study is described; literature is reviewed on the development of the computer-based ESL reading tools and current approaches to teaching English pronunciation. The methods and instruments of the research are described; the results of the observations and analysis are discussed suggesting recommendations about the use of the multimedia tools in ESL teaching and learning.
The paper looks at the psychological and physiological reactions to colour examining the "meaning" of different colours, discussing their effects on people and arguing that these effects must be taken into account by a graphic designer.
The paper examines two online Abode programs, Photoshop and Illustrator, comparing their image formats, tracing tools, and painting tools. Both programs are evaluated from the perspective of a graphic designer.
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