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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
Use 16 digit credit card numbers that contain 15 digits an 1 check digit. The format of the card number consists of the 15 digits followed by the check digit. The check digit is co
A parking garage charges a $2.00 minimum fee to park for up to three hours and an additional $0.50 per hour for each hour or part thereof over three hours. The maximum charge for a
Rule: To determine the canonical form we should OR the min terms. A min term is defined as a Boolean equation of the input if the output is logic '1'. If the input is logic '1'
Literals (Constants) Constants are data storage locations whose address is not accessible for the user. Their value is not altered during the course of the program. Literal
Recently social media has been flooded by fb posts, tweets, news articles about only thing demonetization.A great debate is ongoing over it. Most of the people discussing in social
I am seeking a developer to create a mobile game for me. I want an endless runner game with simple controls. The game needs to be a 3D game in a 2D view. The graphics and animation
Constructor and Destructor function with derived classes If there are constructors included in the base class and the derived class, the compiler automatically calls both of th
#questio A charitable organization wants to design a special ATM machine to be used by needy people. The association supplies the needy person with a pin number to be able to use
A: The simplest instance of a smart pointer is auto_ptr that is included in the standard C++ library. Auto Pointer only takes care of Memory leak & does nothing regarding dangling
Given an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. If the given
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