Computer Game Tester Jobs
Random numbers are commonly used in games. For example, computer games that let the player roll dice use random numbers to represent the values of the dice. Programs that show cards being drawn from a shuffled deck use random numbers to represent the face values of the cards.
One particularly powerful technique for solving real-world problems is simulation. Computers can model real-world processes to provide otherwise unobtainable information. Computer simulation is used every day to perform myriad tasks such as predicting the weather, designing aircraft, creating special effects for movies, and entertaining video game players, to name just a few. Most of these applications require extremely complex programs, but even relatively modest simulations can sometimes shed light on knotty problems.
Almost everyone has used a computer at one time or another. Perhaps you have played computer games or used a computer to write a paper or balance your checkbook. Computers are used to predict the weather, design airplanes, make movies, run businesses, perform financial transactions, and control factories.
However, there are only two kinds of computer programs toy programs and programs that interact with some kind of persistent databases. That is to say, most real computer programs must retrieve stored information and record information for future use. These days, this description applies to almost every computer game, which can typically save and restore the state of the game at any time. So when I refer to toy programs, I mean programs written as exercises, or for the fun of programming. Nearly all real programs (such as programs that people get paid to write) have some persistent database storage retrieval component. Relational databases are not appropriate for all applications. In particular, a computer game or engineering design tool that must save and restore sessions should probably use a more direct method of persisting the logical objects of the program than the flat tabular representation encouraged in relational-database design. However, even in domains such as engineering or...
Think about some cf the different ways that people use computers. In school, students use computers for tasks such as writing papers, searching for articles, sending email, and participating in online classes. At work, people use computers to analyze data, make presentations, conduct business transactions, communicate with customers and coworkers, control machines in manufacturing facilities, and do many other things. At home, people use computers for tasks such as paying bills, shopping online, communicating with friends and family, and playing computer games. And don't forget that cell phones, iPods , BlackBerries , car navigation systems, and many other devices are computers too, The uses cf computers are almost limitless in our everyday lives.
We now consider a video-game example to justify the need for class-wide data. Suppose that we have a video game with Martians and other space creatures. Each Martian tends to be brave and willing to attack other space creatures when the Martian is aware that there are at least four other Martians present. If there are fewer than five Martians present, each Martian becomes cowardly. For this reason, each Martian must know the martianCount. We could endow each object of class Martian with martianCount as an attribute. However, if we do this, then every Martian would have a separate copy of the attribute, and, each time we create a Martian, we would have to update attribute martianCount in every Martian. The redundant copies waste space, and updating those copies is time-consuming. Instead, we create martianCount as a class attribute so that martianCount is class-wide data. Each Martian can see the martianCount as if it were an attribute of that Martian, but Python maintains only one...