Computers In Education :: essays research papers

computing devices in EducationThe typical school has 1 information processing system per 20 students, a ratio that data processoreducators feel is still not high enough to affect classroom learning as much asbooks and classroom conversation.Some critics see computer education as merely the latest in a series ofunsuccessful attempts to revolutionise education through the example of audio- andvisually-oriented non print media. For example, motion pictures, broadcasttelevision, filmstrips, audio recorders, and videotapes were all initiallyheralded for their instructional potential, but each of these ultimately becameminor classroom tools alongside schematic methods.Communications SatelliteA communications satellite is an artificial SATELLITE placed into orbit aroundthe Earth to facilitate communications on Earth. intimately long-distance radiocommunication across land is sent via MICROWAVE relay towers. In effect, asatellite serves as a tall zap tower to permit direct transmissi on betweenstations, but it can interconnect any number of stations that are includedwithin the forward pass beams of the satellite rather than simply 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. ain 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 generallyhave multiple users. Personal computers have many uses such as Word processing,communicating to other computers over a phone line using amodem,databases,leisure games are just some of the uses of a Personal Computer.Computers for Leisure GamesAs they proliferated, video games gained colour and complexity and adopted thebasic theme that most of them still exhibit the violent annihilation of anenemy by means of ones skill at moving a prize or pushing a button.Many of the games played on home computers are more 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.