Programming In C++

Spring Semester 2013

Programming In C++, Lecture 1

Umer Aziz RanaMSc.IT (London, UK)

Programming In C++, Lecture 1

Contact No. 0335-919 7775students@oeconsultant.co.uk

EDUCATION CONSULTANT

Programming In C++, Lecture 1

Contact No. 0335-919 7775,0321-515 3403

www.oeconsultant.co.uk

TELL ME ABOUT YOUR SELF

Programming In C++, Lecture 1

• Name• Background Study• Why you chosen this course• What is your career goals

What Is Programme?

Programming In C++, Lecture 1

What Is Language?

Programming In C++, Lecture 1

Write A Short Programme.

Programming In C++, Lecture 1

How you drink water?

Programming In C++, Lecture 1

Computer Programming

Low Level ProgrammingHigh Level Programming

A programming language is a communicate instructions to a computer.

Programming languages can be used to create programs that control the

behaviour of a machine and/or to express algorithms precisely.

Programming languages fall into two categories:

Programming In C++, Lecture 1

Computer ProgrammingLow Level Programming

Low-level languages are considered to be closer to computers. Its prime function is to operate, manage and manipulate the computing hardware and components.

Low Level Languages are:

1. Machine Languages2. Assembly Languages

Programming In C++, Lecture 1

Computer ProgrammingHigh Level Programming

Higher-level languages allow the programmer to work in a more English-like environment that resembles natural language or mathematical notation also visual environment, using graphical tools.

• Procedural Programming

• Object Oriented Programming

Programming In C++, Lecture 1

Computer ProgrammingHigh Level Programming

• Procedural Languages

A computer programming language that executes a set of commands in

order is called procedural Language. It is written as a list of instructions,

telling the computer, step-by-step, what to do.

For Example. 1. Open a file2. Read a number3. Multiply by 44. Display something.

Procedural programming is fine for small projects. It is the most natural

way to tell a computer what to do.

Programming In C++, Lecture 1

Computer ProgrammingHigh Level Programming

•Object Oriented Programming

Programming In C++, Lecture 1

Computer Programming

High Level Programming

• Web Development (HTML, PHP, JSP, ASP etc.)

• Application Development (Java, C, C++, .net etc.)

• Mobile Application (Objective C, J2ME etc.)

• Data Base (SQL, SQL Plus)

Programming In C++, Lecture 1

Computer ProgrammingQuiz

• What is your Lecturer’s Name & his qualification?

• Which Language is close to computer hardware?

• What is Database language?

• Which level of programming language is close to

human?

• Which programming language will you cover in this

course?

Programming In C++, Lecture 1

What Is C Programming Language?

Programming In C++, Lecture 1

Introduction To C Programming Language

Book

“Turbo C Programming for PC and Turbo C++” By Robert Lafore,

Programming In C++, Lecture 1

Marks Distribution Quizzes

10 Assignments: 10 Participation & Attendance 5 Mid-Term

25 Total Sessional

50 Terminal Exam

50-------------------------------------------------------------------------- Final Evaluation

100

Programming In C++, Lecture 1

Introduction To C Programming Language The C programming language was designed by

Dennis Ritchie at Bell Laboratories in the early 1970s Traditionally used for systems programming, though

this may be changing in favor of C++ C Language in between the Low Level Language and

High Level Language (Middle Level Language)

Programming In C++, Lecture 1

C Mainly Used For Mainly because it produces code that runs nearly as fast as

code written in assembly language. Some examples of the use of C might be: – Operating Systems – Language Compilers – Assemblers – Text Editors – Print Spoolers – Network Drivers – Modern Programs – Data Bases – Language Interpreters – Utilities

Programming In C++, Lecture 1

What We Need PC Hardware Ms-Dos Turbo C Development System (Integrated Development

System (IDE))

Programming In C++, Lecture 1

Turbo C Development System• It is a screen display with windows and pull down menus. The program

listing, its output, error messages and other information are displayed in separate windows.

• You can use menu selections to invoke all the operations necessary to develop your program including editing, compiling, debugging, Linking and program execution.

Programming In C++, Lecture 1

Basics of C Environment C systems consist of 3 parts

– Environment– Language– C Standard Library

Development environment has 6 phases– Editing: Writing the source code by using some IDE or editor– Pre-processor: Already available routines – Compile: translates or converts source to object code for a specific platform – Link: resolves external references and produces the executable module – Load: load into memory– Execute : Run the program

Programming In C++, Lecture 1

Basics of C EnvironmentCompiling

Program are in two versions 1. You type which is called the source file.2. Machine-Language version, which is called executable file

The Complier, which is a part of the IDE, translates this source code into another file, consisting of machine language at once.

The Interpreter, which is a part of the IDE, translates this source code into another file, consisting of machine language but line by line.

Programming In C++, Lecture 1

Basics of C EnvironmentLinking

Execute new compiler-generated file to run your program.

The Linker combines all the required files into a single executable file.

Programming In C++, Lecture 1

Basics of C EnvironmentErrors• Syntax Error• Logical Error

Programming In C++, Lecture 1

Files Used in C Program Development

• Executable Files• Library & Runtime Files• Header Files• Programmer-Generated Files

Programming In C++, Lecture 1

Files Used in C Program Development

• Executable files are stored in the subdirectory BIN. The most important executable file for the Turbo C Language is the TC.EXE.

• Executable this program places the IDE on your screen.• The BIN directory also contains programs for the command line development

process. For example.

• TCC Command-line compiler• TLINK Command-line linker• TCINST Customize Turbo IDE• CPP Pre-processor Utility• TLIB Library file manager• MAKE File management program

Executable Files

Programming In C++, Lecture 1

Files Used in C Program Development

• Various files are combined with your programs during linking. These files contain routines for a wide variety of purposes.

• They are stored in LIB subdirectory.

Library & Runtime Files

Programming In C++, Lecture 1

Files Used in C Program Development

• Library files are group of precompiled routines for performing specific tasks.

• A library files has a unique characteristic: only those parts of it that are necessary will be linked to a program, not the whole file.

Library Files

Programming In C++, Lecture 1

Files Used in C Program Development

• The subdirectory called INCLUDE contains header files.

• These files are text files, like the one you generate with a word processor or the Turbo C editor. Header files can be combined with your program before it is complied, in the same way that a programmer can insert a standard heading in a business letter.

• Each header file has a “.h” file extension

Header Files

Programming In C++, Lecture 1

Files Used in C Program Development

• You can place the programs that you write in any subdirectory you choose: for instance a subdirectory under TC.

Programmer-Generated Files

Programming In C++, Lecture 1

Introduction To C Programming Language

• What we need to develop C programme?• What is difference between Complier & interpreter?• What is Linker?• What is source file & Executable file?• How many type or error could have?• What is Header files?• What is Library files?

Quiz