With the development of information technology, the software has penetrated into each corner of society, and has become the basic security facilities of modern people's lives and social normally operation.
In daily life, we use mobile phones, refrigerators, microwaves, washing machines, TV, DVD players, video game consoles, etc. In social activities, we save money in banks. We need software for software. We need software support, we need to stay in hotel accommodation, we can go to the hotel to eat print menu requires software support, we go to the supermarket to buy Things print lists and payments require software support, we will pay water, electricity, mobile phone bills require software support, and use the oven roasted bread and need software support. The software has entered our lives of each of our modern people.
Software is not only for everyone's daily life, but also become basic guarantees for normal operation. Imagine that a bank's software fails, delete all the data in the database, can make millions of people without a variety of people in dozens of seconds, and the consequences are not in a social revolution, even with data backups, will also Causes a social turmoil. If the software of the air traffic command system has failed, the airline in the sky cannot land, and the plane on the ground cannot take off. Telecom's phone exchange software has failed, we cannot contact the outside world, etc. The reliability and correctness of the software is related to the normal operation of the entire society.
Software is increasingly important for companies, it has become one of the core competitiveness of the company. For example: bank a can open 10,000 accounts for a customer, with 100 yuan per account, in a period of 10 years, interest rate is 3%. Once the second year, the customer needs to use 100,000 yuan, then the interests of the money it uses to be 0.5%, while other account interest rates are unchanged. Bank B software is unable to provide this service, then customers may deposit the money into the bank a, bank a because its software can provide better features, resulting in competitive advantage. For example, the placement of a supermarket is also very learning, why do you put diapers and beer? Because, the supermarket's software statistics to buy diapers, buy beer's probability, so put them together. This supermarket has better software, and its sales exceeds its competitors.
It is because the demand for software is increasing, more and more important, software practitioners should learn to improve the efficiency and quality of software development, so that software has become an important force to promote social progress.
