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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
We can combine more than one variable on the same line i.e. float number1,number2,number3; etc Sometimes we want to mix the variable types used on the same line, this could
algo of stack using two queue
want to understand the working of structure and classes
Aim: To implement a program to swap two numbers using reference arguments. Code: void swap(int *a, int *b) { int temp; temp=*a;
WAP TO PRINT ANY NAME ON SCREEN 10 TIMES void main () { int a=1; clrscr(); do { printf ("expertsmind\n"); a++; } while (a getch (); }
How to specify different memory sections for a variable using #Pragma?
Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send
i need a program for finding the last fibonacci number
#questioA Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a str
Program to store family members details in C++: #include #include #include struct record { char name[30]; int age; char state[40]; }x; //cal
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