Informatikos paruoštukė (anglų kalba). Main objects and concepts of informatics. Measurement of information. Computer system. Computer classification. The history of computers. Microcomputer. Microcomputer architecture. Number systems. Relations between the number systems. Number codes. Axioms and laws of logical algebra. Logical functions. Computer logic elements. Input hardware. Keyboard entry. Touchscreens. Scanners. Optical character recognition systems. Digital camera. Sound and voice input. Binary code. Data storage and retrieval methods. Floppy disks. Hard disks. Optical disks. Digital Versatile Disk. Magneto–optical disks. Tape storage. The central processing unit (CPU). Registers. Buses. Pentium processors. Cache memory. Main memory. Read-only memory (ROM). Categories of output hardware. Creating and measuring color. Ink-jet and laser printers. Cathode-ray tube (CRT). Flat screen technologies. Liquid crystal displays. Graphic cards. Systems software. Operating systems for microcomputers. Programming languages. Text processing and graphical software. CAD-CAE-CAM software, expert system. Computer viruses. Main features of spreadsheets. Excel screen. Entering data and commands. Data copying and moving. Data formatting. Editing spreadsheet. Excel functions. Reports. Graphics. Data lists.
68.47 KB
