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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
Define the Classification of Operators in C Language? Depending on the function performed the operator can be classified as 1. Arithmetic Operator 2. Logical Operator 3. Inc
Object Conversions Just like initialization, conversions are also done automatically when an object of a derived class is assigned to an object of the base class. Though, the c
Integer literal Integer is numbers without fractional parts. e.g. 20 // Decimal 024 // Octal 0x14 // Hexadecimal To indicate long, unsigned,
Railway station simulation codeing in c..
Aim: To implement a program for following string operations: Length of String. String Concatenation. Substring (provide start index and length) Find character a
First line starts with T, number of test cases. Each test case T contains a necklace (N).
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
A: If you employ auto_ptr objects you would not need to be concerned along with heap objects not being deleted even if the exception is thrown.
Project Description: We own proprietary software which long ago had Copyminder protection added. We no longer have the source code or a relationship with the original coder and
what is cexplain
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