Similarly, the potential occurrence for failure via incorrect entry of a credit card number during an online purchase is fairly high, and the severity of proceeding with an incorrect number also is high. However, credit card numbers automatically are validated by a checksum algorithm (specifically, the Luhn algorithm) that detects any single-digit error, and most… Read More

In order to understand the concept of system development life cycle, we must first define a system. A system is any information technology component systems development life cycle – hardware, software, or a combination of the two. Each system goes through a development life cycle from initial planning through to disposition. It’s mostly used to… Read More