What you will learn Session1- Introduction Outline What you will learn Some fundamental computer concepts History of C and C++ Other High-level Languages Structured Programming The Key Software Trend: Object Technology C++ Standard Library Basics of a Typical C++ Environment Session1 Advanced programming- Khansari 1 Some fundamental computer concepts Interface between user and hardware Manage user tasks Three types of programming languages Session1 Advanced programming- Khansari Machine languages Assembly languages High-level languages C evolved from two other programming languages, BCPL and B by Ritchie and Kernighan at Bell Lab (1972) C++ evolved from C by Stroustrup at Bell lab (1980) ANSI C Established worldwide standards for C at 1990 (ANSI/ISO 9899). The main benefit is portability. C++ make C better by Providing capabilities for object-oriented programming Session1 Advanced programming- Khansari 2 History of C and C++ Operating systems C++ programming language Object oriented concepts and programming Recent technologies in programming 3 Session1 Objects are reusable software components that model things in the real world Object-oriented programs are easy to understand, correct and modify Advanced programming- Khansari 4 1 Other High-level Languages Java Teaching structured programming Disciplined approach to writing programs Clear, easy to test and debug, and easy to modify Pascal programming language by Nicklaus Wirth in 1971 ADA by USA Department of Defense (1980) Multitasking Manipulating large amounts of data Many activities to run in parallel FORTRAN Scientific and engineering applications Session1 Advanced programming- Khansari 5 The Key Software Trend: Object Technology Structured programming COBOL Create web pages with dynamic and interactive content Develop large-scale enterprise applications Enhance the functionality of web servers Provide applications for consumer devices (such as cell phones, pagers and personal digital assistants) Pascal Structured Programming Session1 Reusable software components that model real world items Meaningful software units Date objects, time objects, paycheck objects, invoice objects, audio objects, video objects, file objects, record objects, etc. Any noun can be represented as an object More understandable, better organized and easier to maintain than procedural programming Help modularity Advanced programming- Khansari Advanced programming- Khansari 6 C++ Standard Library Objects Session1 7 C++ programs C++ standard library Session1 Built from pieces called classes and functions Provides rich collections of existing classes and functions for all programmers to use Advanced programming- Khansari 8 2
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