{Dal mainframe al personal computer} The term "personal computer" in its original meaning indicates any computer that has been designed for the use of only one person at a time, as opposed to, for example, mainframes which were accessed by means of remote terminals and shared with many other people. Their use was shared, and for an hour of their use you had to pay 40 euros per hour. Since the remote terminals for accessing the mainframe were connected to it by telephone lines, few people can boast of actually having seen one live. Mainframes were capricious (unreliable) monsters who lived in protected, air-conditioned environments, were intimidating because they were big and complex, and also cost millions of dollars each. {Il termine “personal computer” nel suo significato originale indica un qualsiasi computer che sia stato progettato per l'uso di una sola persona per volta, in contrapposizione per esempio ai mainframe ai q...
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