Basic Terms of IT

1. Hardware - it is set of electonic, electic, electro-mechanic, mechanic parts and components from which is psyhical ralization of computer and it peripherals.

2. Software ("soul", "brain" of computer) - is set of programs, instructions and commands and it is execucet by computer, so computer can get funcional sense and usable value.

3. Operating System (OS) is program or set of programs which enable simple and efficient using of computer resources. Theoreticly computer can work without OS but that kind of work doesn't make some sense because it would be unefficient.

4. Program Languages - are exactly defined set of allowd symbols, instruction and rules by which is defined comunication between human and computer

5. Informatics - is scientific-technic discipline which studies and applies IT and theory of information.

6. Information - isdata that can use in proces of making decision when solving some problem. Mesure of our acknowlages about some problem is amount of information we have.

7. Information system - presents organised way of collecting, editing and distribution of information to users that are interested in. That means it is planned using of human and technical potencials with exactly specified goal. Global information systems are: radio,TV, print/newspapers, internet etc. Besides as local information systems can be computer networks, newsboards, school papers etc.

8. Theory of information - is scinet-technical discipline which is doing analysis and exstraction of information from big amount of datas. Usualy sources of information present big amounts of datas, suspicious ones. By analytic way in that big amout of datas, usable and quality information needs to me marked