C Programming

Floating type numbers can't be stored in integer type variables. If we do that then their fractional part will be lost. So, we use float data type to store numbers with fractional parts.

Object-oriented programming (OOP) would have to be top of the list of important topics in C++, since OOP constitutes a major portion of all C++ programs. The C++ standard library is heavily reliant upon OOP. Templates are the next most important topic, as these allow you to write code in a more generic manner. The C++ standard template library (STL) relies heavily upon templates. The closer you stick to the standard library, the easier it is to port code between compilers. However, familiarity with the correct usage of macros will aid in writing portable cross-platform code.

Whilst learning these topics you will be introduced to C-style programming. It is not necessary to know C before learning C++ (indeed, it is better to not know C at all), however the C++ built-in types (primitive data types) are primarily inherited from C. C itself is a low-level language, but C++ is every bit as efficient. Thus it is best to get into the habit of writing good C++ code first, and using C only where it is deemed necessary.

It is not necessary to to declare variables inside the function in C. If you declare a variable inside a function, the variable becomes local for the function and another variable of same name can be declared in any other function, but you can not use the variable declared in other function. When you declare any variable outside the function body then the variable becomes global and can be used in any function of the program.

Note: errno is an example for a variable declared outside any function.

no

with an assignment:

variable = value

variable += value

variable /= -3;

...

quick sort

You cannot delete from an array.

One.

Because 32 bit is exactly four bytes.

I guess it is a char or an unsigned char. When calling MS-DOS/BIOS interrupts, it represents the value of the AH register.

contiguous is "separated in space" and continuous is "separated in time"

No the two work together REALLY

It depends on the particular implementation's representation of integer and floating point number. The IEEE 754-2008 standard provides four basic resolutions, 16 bits (not common), 32 bit, 64 bits, and 128 bits (also not common). At the same time, integers can be 8 bits, 16 bits, 32 bits, 64 bits (in 64 bit platforms and some libraries on 32 bit platforms) and 128 bits (not common).

In general, if you want to keep resolution down to the units digit, you can store a larger number in an integer than you can in a floating point, due to overhead in the exponent, but, at the same time, due to the scalability of floating point numbers, you can store larger numbers in floating point numbers if you are willing to lose resolution on the low-order end.

People have developed many encryption algorithms.

One particular encryption algorithm is the Rijndael algorithm, usually called the AES or Advanced Encryption Standard.

#include<stdio.h>

#include<string.h>

#include<conio.h>

void main()

{

char str1[10],str2[10];

printf("Enter string.\n");

gets(str2);

strcpy(str2,str1);

printf("Copied string is %s",str1);

getch();

}

GI/GO is a computer programming term for Garbage In/Garbage Out. It means that if you have incorrect data input, then your output will be incorrect

when inner declaration of a variable hides its outer declaration

You get many error/warning messages. That's why headers always have a frame like this:

#ifndef HEADERNAME

#define HEADERNAME

... actual content ...

#endif

This way multiple inclusions won't cause any trouble.

It is a pointer.You can pass a smart pointer from one thread to another, and the two threads are free to use their smart pointers just as they were native pointers. They can copy them, assign them, and do whatever they want with them, and the smart pointer will not get you into trouble.

Spreadsheet packages may chart one set of data in the form of a pie chart, or two or more sets of data in bar charts (with vertical bars, horizontal bars, or stacked bars), line charts, area charts, or mixed charts, which combine bars and lines

MAX

Depend on the elements of you struct. Say i have struct a { int a, int b}. Total size is : 4 + 4 = 8 bytes.

printf ("%g\n", (n+1.0)/2);

Yes, a&b|c&d means (a&b)|(c&d), just like

a&&bc&&d means (a&&b)(c&&d)

The program compiled on one platform may not run in another platform.