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In POS system, cashier computer connect to printer using serial rs232 usb or cable. We need to capture data from that connection, and parsing the data to get total amount for every transaction at POS, then send it to database server via internet. if require, using raspberry or arduino, also gsm modem to send the data. While capture the data, the POS pc still print bill normally.
Skills required are C Programming, Electronics, Embedded Software, Microcontroller, Python
want to understand the working of structure and classes
C Program for 5 FUNCTION OF VOWELS, CNT_WORDS, REVERSE void input(char a[]); void output(char a[]); void reverse(char a[], char b[]); char poli(char a[], char b[]);
char P[100]; double X=533.8*22500; sprintf(P,"%f %u",X,(unsigned int)X); MessageBox(P,"SSS"); //12010500.000 12010499
w.a.p to find outWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b.
Define Multi File Program? While writing large programs we must divide programs up into modules. These would be separate source files and the main() function would be in one fi
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Create a program WordCount1Main.java doing the following: For each word in the le word.txt { Create an object of the class Word { Add the object to a set of the type java.uti
Is always the default constructor for Fred Fred::Fred()?
If you have computed a number (stored as a ?oating-point value) and want to display this on a plot (i.e. as a character string) you have to convert it into a STRING. That is we wan
Stack operations - C++: Write a program to define basic stack operations in c++. int Stack::push(int elem) { int m = getmax(); if (top { put_
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