The ISM 1500 Instructional System was the only commercial system produced by a single manufacturer that had an integrated student terminal configuration providing a keyboard and light pen response mode, CRT-based graphics, audio, and static film projection. Experimental instructional systems had been developed by ISM prior to a prototype version of the 1500 Instructional System, which was teste...

osteo-malacia, oven the acute form, developing during pregnancy, may be cured by the injection of adrenalin. This interest in Germany has become so general as to lead to this method of treatment being ordinarily spoken of as the " Bossikur." The interest in the subject has been extended very greatly, during the last few months, by further assertions, of Professor Bossi, based on experimental wo...

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the type of the applications for which internet is being used has changed over the years. multimedia applications, real-time applications and game playing require quality of service. ieee has proposed ieee 802.11e, a quality of service extension to the wireless lan standard ieee 802.11. in this paper service differentiation ability of 802.11e is evaluated. identical traffic is considered for al...