Question 1

What is the principle of programming language C?

Accepted Answer

The C language is based on principles of:

Simplicity and efficiency

Structured programming – using clear control flow

Low-level memory access (via pointers)

Portability – runs across multiple systems
C gives developers fine-grained control over system resources, making it ideal for operating sys

Question 2

What are the fundamentals of a C++ program?

Accepted Answer

Every basic C++ program includes:

Preprocessor directives (#include)

A main() function – the entry point

Variables and data types

Control structures (if, loops, switch)

Functions and classes (for modularity)

Question 3

Is C++ used in scientific computing?

Accepted Answer

Yes. C++ is widely used in scientific and high-performance computing due to:

Its speed and efficiency

Access to hardware-level operations

Strong support for numerical libraries (e.g. Eigen, Armadillo)

Its ability to handle large-scale simulations and modelling

Question 4

What are the four principles of C++?

Accepted Answer

C++ is built around four core object-oriented principles:

Encapsulation – Bundling data and methods together

Abstraction – Hiding internal complexity

Inheritance – Reusing code across classes

Polymorphism – Allowing one interface to serve many forms

These support scalable, maintainable, and mod

Scientific Principles of the C++ Language

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