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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
Rahul is a newbie to the programming and while learning the programming language he came to know the following rules: ???• Each program must start with ''{'' and end with '
Define order that local objects are destructed?
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
Example for external storage class - computer programming? extern double sin (double); In a function prototype, for the sin() function its function definition ~ we can write
Friend Functions One of the major features of OOP is information hiding. A class encapsulates data and methods to operate on that data in a single unit. The data from the class
Define Register Storage Class - computer programming? The Storage class register notify the compiler that the associated variables must be stored in high-speed memory register.
describe in simple
What are Arrays? Numerous applications require the processing of multiple data items that have identical characteristics. In such circumstances it is frequently convenient to p
I want to change C++ code to Python extension Project Description: I have the C++ source code for an executable that takes a path to an image file as the input and prints tex
I hv an assignment to do, I almost done. But i cant find whats wrong- my code is to make a simple calculator using function''s all 4 patterns. I did like this- #include int add
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