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Preface


Introduction

  1. BASIC IT TERMS



1.1. CONCEPT OF INFORMATICS



1.2. AMOUNT OF INFORMATION



1.3. THEORY OF SIGNAL



  2. ELEMENTS OF DCS (Digital Computing Systems)



2.1. NUMBER SYSTEMS



2.1.1. Decade number system



2.1.2. Binary number system



2.1.3. Octal number system



2.1.4. Hexadecimal number system



2.2. CODE AND CODING



2.2.1. BCD code



2.2.2. ASCII code



2.2.3. Other codes



2.2.4. Unicode



2.3. COMPUTER ARITHMETIC



2.3.1. Binary arithmetic



2.3.2. II Complement



2.4. COMPUTER LOGIC



2.4.1. Logic of Sets



2.4.2. Basic Computer Logic Circuits



  3. ORGANIZATION AND STRUCTURE OF DCS



3.1. DEFINITION OF DCS



3.2. HISTORIC DEVELOPMENT OF DCS



3.3. COMPUTER HARDWARE



3.3.1. C P U (Microprocessor)



3.3.2. Organization of a Computer System



3.3.3. Address Field of the Computer (Map)



3.3.4. Execution of Instructions



3.3.5. Working (main) Memory



3.3.6. Permanent Memory



SCSI, SAS, SATA - RAID



Optical devices and Drives



USB stick



3.3.7. I / O Ports and Peripherals



3.3.8. Input and Output Devices of Computer



Computer Monitor



Computer Printer



Keyboard and Mouse, Computer ChipSet



3.3.9. Power Source - SPS



3.3.10. Uninterruptible Power Supply - UPS



3.4. COMPUTER SOFTWARE



3.4.1. Operating System



3.4.2. Language Processors (Compilers)



3.4.3. Programs for Programming



3.4.4. Customer aid Software



3.5. PC COMPUTER SYSTEM



3.5.1. Organization and Structure



3.5.2. Microprocessor - BUS



3.5.3. DMA - Direct Memory Access



3.5.4. Working (main) Memory



Addressing Memory



3.5.5.Permanent Memory



3.5.6. Programmable Counters, Interruptions (IRQ)



3.5.7. Graphics System



Color Correction of Monitor



3.5.8. Keyboard, Mouse



3.5.9. Peripherals



3.5.10. Motherboard



PCI-Express Motherboard - Chipset X79



PCI-Express Motherboard - Chipset Z77



PCI-Express Motherboard - Chipset Z87



PCI-Express Motherboard - Chipset Z97



PCI-Express Motherboard - Chipset Z170



PCI-Express Motherboard - Chipset Z270



PCI-Express Motherboard - Chipset NM10



3.5.11. Computer Casing



3.5.12. Accessibility of PC Systems



3.6. COMPUTER NETWORKS



Network subsystems



3.6.1. Network Topology



3.6.2. Protocols - OSI Model



3.6.3. PC in the network



Configuring the PC Network



Organization of the Network System



Network System NETWARE



3.6.4. Network Interface Card (NIC)



UTP, STP communication cable



Optical communication cable



3.6.5. Modem



3.6.6. ISDN, ADSL, VDSL, Cable Internet



  4. MICROSOFT WINDOWS OPERATING SYSTEMS



4.1. MS-DOS Operating System



4.1.1. File and its specification



4.1.2. View the content of disk, directory and file



4.1.3. Copy, move and delete



4.1.4. Commands of System



4.2. MS-WINDOWS 3.11 Graphical User Interface (GUI)



4.2.1. Program group MAIN



4.2.2. File Manager



4.3. WINDOWS 95, 98 Operating System



START menu



4.3.1. Desktop



4.3.2. Windows Explorer (WE)



4.3.3. Control Panel



4.3.4. Computer Networking



Adjusting TCP / IP network settings



4.3.5. Connecting to Windows XP Operating System



4.4. WINDOWS XP Operating System



START menu



4.4.1. General features of OS



4.4.2. Structure of OS



Users of the system



System Policy



Computer Devices



4.4.3. Adjusting regional settings



Adjusting display and performance



Adjusting environment variables



Relocation of working maps



4.4.4. Windows XP in the network



TCP / IP network settings



Wireless networking



System protection - Firewall



4.4.5. Registry



4.4.6. Protection of data (backup)



Symantec Norton GHOST



System Restore



4.4.7. System Junctions and Links



4.4.8. System Supervision



4.4.9. RAM-Disk



4.5. WINDOWS 7 Operating System



START menu



Initial installation of OS



Complete installation of OS



Basic adjustment of OS



4.5.1. General features of OS



4.5.2. Structure of OS



Users and Devices



4.5.3. System adjustment



System and Security



General settings of the System



Network Connection



Devices and Hardware



Software and Gadgets



User Account, Parental Control and CardSpace 



Displaying and Personality



START menu, maps, and files



Regional and Language settings



Ease of Access and Speech Recognition



Other settings of System and Software



4.5.4. Relocation of working maps



4.5.5. Windows 7 in the network - TCP / IP settings



Availability of resources (Sharing)



Wireless networking



4.5.6. System protection - Firewall



4.5.7. XP Mode



4.6. WINDOWS 10 Operating System



Installation - Menus of OS - Networking at home



4.6.1. Structure of OS (Folders and Files)



4.6.2. Adjustments - Relocating of maps (folders)



And now something completely different!



Anniversary update - PC Upgrade



CCN - Crazy, Confused, Normal



4.6.3. Security, VPN, Proxy



  5. UNIX OPERATING SYSTEMS



5.1. LINUX - DEBIAN Operating System



Initial installation of OS



Complete installation of OS



5.1.1. General features of Debian OS



5.1.2. File System Model



5.1.3. Structure of File System



File System; root, boot, bin, lib, dev 



File System; etc, mnt, proc, tmp



File System; home, usr, var



5.1.4. Basic commands of operating system



5.1.5. Rest of operating system commands



5.1.6. Command interpreter (Shell) - scripts



5.1.7. Maintaining the Operating System



5.1.8. X Window graphics subsystem



5.2. LINUX - UBUNTU Operating System



  6. SOFTWARE DEVELOPMENT



6.1. PHASES OF SOFTWARE DEVELOPMENT



Example of the initial stages of software development



6.1.1. Guessing a random number



6.1.2. System of linear equations



6.1.3. Surface of trigonometric figures



6.1.4. Flow of trigonometric functions



6.1.5. Sorting by the length of the text



6.1.6. Range of oblique shot



6.2. PROGRAMMING



6.2.1. QBASIC programming tool



6.2.2. Possibilities of QBASIC



6.2.3. Programming in QBASIC



6.2.4. Algorithm, flowchart and program code



6.2.5. Programming in QBASIC by Chapters 6.1.X



  7. INFORMATICS IN PRACTICE



7.1. A/D - D/A CONVERTERS



7.1.1. A/D Converter



Characteristics of A/D converters



Converters in Measurement - Sensors



7.1.2. D/A Converter



Characteristics of D/A converters



7.2. MICROCONTROLLERS



Programming Microcontrollers



7.3. COMPUTERS AND PROCESSES



Display output Data



7.3.1. On-line systems



Improving the system with Open Loop



Auxiliary functions



7.3.2. Computer operating aids



The role and use of work aids



Examples of computer work aids



7.4. INTERNET



Principles of Internet working, OSI - TCP / IP model



7.4.1. Services of the Internet



7.4.2. TCP, UDP Port - Socket



7.4.3. TCP / IP protocol Stack



Access to a network media - MAC address



7.4.4. Network Devices



Ethernet network card (NIC)



7.4.5. DNS - DHCP service



7.5. INTRANET



7.5.1. Structured cabling



7.5.2. Wireless communication



7.5.3. Proxy server



7.6. SOHO - Thomson Gateway ST780i WL



7.6.1. Basic Configuration (management)



7.6.2. Settings for Programs (Software)



7.7. EARNING ON THE INTERNET



7.7.1. Google Webmaster Tools, Google Analytics



7.7.2. Google AdSense, Google AdWords



7.8. pH METER (pH)



7.9. C4ISR



7.10. FORMULA 1 (F1)



Formula E - Electric race car



7.11. ELECTRIC CAR (BEV)



  8. GLOSSARY OF IT TERMS



  No   |   A   |   B   |   C   |   D   |   E   |   F   |   G   |   H   |



  I   |   J   |   K   |   L   |   M   |   N   |   O   |   P   |   Q   |   R   |



  S   |   T   |   U   |   V   |   W   |   X, Y, Z   |   @ , #, $    |



Specific IT Concepts



Chip - Integrated Circuit



CLI commands of IOS - Classes of networks, subnetting



Computer & network protocols; TCP / IP - OSI model



DVB - Digital Video Broadcasting - Digital TV



ECDL / ICDL (European / International Computer Driving Licence) 



Encrypting - GnuPG ( GNU Privacy Guard )



Grounding of electronic devices - GND (ground)



Mobile devices - phone, smartphone, tablet



Multimedia - Home Theater



Multimedia, program support (software) - NAS



Network equipment - Patch cabinet (rack)



Syntax - rules of use commands and editing documents



Virtual Computer - Microsoft Virtual PC 2007



Virtual Computer - Oracle VirtualBox



  9. APPENDIX - CODE PAGES



437 ( DOS ) Latin US - code page



850 ( DOS-CROSCII ) Latin I - code page



852 ( DOS ) Latin II - code page ( HR )



1252 ( MS Windows ) Latin 1 - code page



1250 ( MS Windows ) Latin 2 - code page ( HR )



8859-2 ( ISO) Latin 2 - code page ( HR )



1250 Latin Extended ( Unicode ) - code page ( HR )



Most important keyboard shortcuts (abbreviations)



Instruction for installation of Software



10. BIBLIOGRAPHY

11. WEB LINKS

12. INDEX OF TERMS



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Citing this page:
Radic, Drago. " IT - Informatics Alphabet " Split-Croatia.
{Date of access}. <https://informatics.buzdo.com/>.
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