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computer processingmost of the earliest computer memories have been based on physical elements which can exist in just one of the two states on or
hardware basicsin the foregoing section of this unit an attempt has been made to explain to you the historic perspective relating to the
mini computers and micro computersthe mini computers are intermediate in power and may function as small mainframe computers they are often
super computersthe specialised demands and requirements of science industry and military have led to the creation of powerful super computers for
computer generationsfrom the early 1940s to the present computer scientists have been able to identify clear-cut stages in the development of
evolution of a computeralthough computer as we understand it today is relatively of recent innovation its development rests on centuries of
computerpeople call a lot of things computers some of them are cheap but can only process numerical information such devices would better be
micrographymicrographic technology is an outgrowth of photographic technology since this technology is being increasingly used to supplement
reprographyreprography as a term has gained international recognition in 1963 it includes photocopying microcopying duplicating and in-plant
communications technologythe development of communications technology is in a sense a symbol of mans effort to communicate rapidly over great
software aspectssoftware is a generic term covering the concepts procedures and instructions which enable computer systems to do useful things
storage technologyin the previous section the recent innovations relating to the processing aspects of computer technology were discussed briefly
processor technologycomputers consist of electronic components assembled in a design or architecture that will perform necessary functions of
basic softwarethe basic software is also referred to as utilities basic software packages are available for performing operations such as data
examples of online databasesthe adoption of modern technology has resulted in the proliferation of machine readable databases the national library
online searchingthe real difference between manual searching and online searching lies according to william a katz in the mechanics and the jargon
indexing and abstracting databasesa study of growth of indexing and abstracting services over the years would show that during the past two
computer databasesas would be evident from the foregoing description literature search is essentially a process of information retrieval the term
research and development all intellectual activities consciously pursued and systematically completed generate useful information research also
security threats on internet the internet has many advantages however it also opens up security threat in this section we just want to
types of chat roomjava chat rooms the most common and popular chat scripts are based on java which is object oriented language java is freely
chatthe word chat in english language means - casual conversation on internet it means the same except that you need to use text and your keyboard
an e-mail accountinbox inbox is the main folder in your email account it contains all the e-mails that have arrived in your e-mail account you can
create email accountfor sending or receiving email you need to have to an email account the email account may be provided by the organization for
history of e-mailinternet based e-mail system was designed by a computer engineer - ray tomlinson in late 1971 while working with arpanet