Today the use of computers in consumer products is on the rise and many of these computers are controlled by software. The software must be tested so as to ensure that the consumer can use the product effectively.  So  testing computer software  is essential for the computer to function in an appropriate manner, but unfortunately testing computer software is neglected because it is very costly and resource demanding. A solution for this is to make test tools and methods available to the software developers. There are many books regarding software testing and the software developers can get a wide range of knowledge and develop their testing computer software skills.