Transcription of Introduction to programming - unibz
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Introduction to programming - unibz
Unit 1 Introduction to programmingSummary Architecture of a computer programming languages Program = objects + operations First Java program Writing, compiling, and executing a program Program What is a computer? Hardware Processor Memory I/O units How does it work? Executes very simple instructions Executes them incredibly fast Must be programmed: it is the software, , the programs, that characterize what a computeractually Components of a computer12 UNIT Simplified architecture of a computerModemI/O portscontrollerDiskCentralmemoryCPUV ideocardSoundcardNetworkadapterKeyboardM ousePrinterHard diskFloppy diskCD ROM/DVDM onitorMicrophoneSpeakersOther Languages for programming a computer Machine language21 40 16 100 163 240 Assembler languageiload intRatebipush 100if_icmpgt intError High level programming languagesif (intRate > 100).
2. selection of the telephone registry of the requested city, done by the operator 3. search of the telephone number corresponding to the requested person name on the telephone registry The program has to represent all objects that come into play and realize all operations. °c Diego Calvanese Lecture Notes for Introduction to Programming A.A ...
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