Computers In Education :: essays research papers

Computers in EducationThe typical school has 1 computing device per 20 students, a ratio that estimatoreducators feel is still not high enough to affect classroom learning as much asbooks and classroom conversation.Some critics see computing device education as merely the latest in a series ofunsuccessful attempts to revolutionise education through the procedure of audio- andvisually-oriented non print media. For example, motion pictures, air outtelevision, filmstrips, audio recorders, and videotapes were all initiallyheralded for their instructional potential, but each of these ultimately becameminor classroom tools alongside conventional methods.Communications SatelliteA parleys satellite is an artificial SATELLITE placed into orbit aroundthe Earth to facilitate communications on Earth. Most long-distance radiocommunication across land is sent via MICROWAVE relay towers. In effect, asatellite serves as a tall microwave tower to permit straightaway transmission betweenstati ons, but it can interconnect any number of stations that are includedwithin the antenna beams of the satellite rather than obviously the two ends of themicrowave link.Computer CrimeComputer crime is defined as any crime involving a computer accomplished throughthe use or knowledge of computer technology. Computers are objects of crime whenthey or their contents are damaged, as when terrorists attack computer centreswith explosives or gasoline, or when a "computer virus" a program capable ofaltering or erasing computer memory is introduced into a computer system.Personal ComputerA personal computer is a computer that is based on a microprocessor, a smallsemiconductor chip that performs the operations of a c.p.u.Personal computers are single-user machines, whereas larger computers principallyhave multiple users. Personal computers have many uses such as Word processing,communicating to other computers over a phone line victimisation amodem,databases,leisure games are just s ome of the uses of a Personal Computer.Computers for Leisure GamesAs they proliferated, video games gained colour and complexity and adopted thebasic theme that close to of them still exhibit the violent annihilation of anenemy by means of ones skill at moving a lever or pushing a button.Many of the games played on home computers are much or less identical with thosein video arcades. Increasingly, however, computer games are becoming moresophisticated, more difficult, and no longer dependent on elapsed time a fewcomputer games go on for many hours.