Informatics

Informatikos paruoštukė anglų kalba. Mathematical software. Purpose and main features of MathCAD package. The MathCAD main screen and objects. Functions, Built-in string functions. Calculation of expressions in MathCAD. Creating vectors and matrices. Solving of equations in MathCAD. Solving and optimizing overview. MathCAD graphs 2D. Symbolic calculations in MathCAD. Data base, DBMS main features. Data base models. Access main features. Data base tables, structure. Creating and changing data base. Sorting, filtering data base. Data base table editing. Access expresions and functions. Related databases. Access queries. Access reports. Access forms. Access applications. Characteristics of data transmissions. Data transmission media. Data coomunication hardware. Communication networks. OSI model. LAN protocols. Networking hardware. Modems. Digital communication lines. Lan Software. Data stream and network control. Global System for Mobile Communication (GSM). GSM history. The GSM Network, its features. GSM Subscriber Services. 3G third-generation technology. The Global Positioning System (GPS). Wireless networks and their protocols. WAN. History of internet. Addressing system. Internet protocols. Routing. Internet services. World Wide Web. Web protocols, servers. Internet Explorer. Information search tools.