![]() Turbo C Book By Robert Lafore Download Object Oriented.Every data item occupied 1 word in memory. C language evolved from B (Dennis Ritchie – Bell labs) ** Typeless – no datatypes.B used for creating early versions of UNIX OS.BCPL (Basic Combined Programming Language) used for writing OS & compilers.add overtime to base pay and store result in gross pay grossPay = basePay + overtimePay Translator programs called “Compilers” to convert high-level programs into machine language.Single statements for accomplishing substantial tasks.add overtime to base pay and store result in gross pay LOAD BASEPAY ADD OVERPAY STORE GROSSPAY Translators programs called “Assemblers” to convert assembly language programs to machine language.Instruct computer to perform elementary operations one at a time.Consists of strings of numbers(1s, 0s).Natural language of a particular computer.Some understandable directly by computers.Note! Program correctness and robustness are most important than program efficiency.Portable programs will run on any machine but….linking:resolves external references and produces the executable module.compiling: translates or converts source to object code for a specific platform source code -> object code.Preprocessing or libraries: Already available routines.Editing: Writing the source code by using some IDE or editor.Refine, Generalize, Decompose the problem definition.there are zillions of lines of C legacy code.databases, operating systems, device drivers, system level routines. ![]()
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