Questions

Software testing is verifying if a software meets the customer's requirements; if it has high quality; if it is bug free and if it is fit for use. Testing is important because it ensures that the product delivered is defect free which in turn emphasizes higher quality and proves to be cost effective.

An operating system is a program that acts as an intermediary between the user and the computer hardware. The purpose of an OS is to provide a convenient environment in which user can execute programs in a convenient and efficient manner. It is a resource allocator responsible for allocating system resources and a control program which controls the operation of the computer hardware.

IEEE 1394 (Firewire) supports the maximum of 63 connected devices with speeds upto 400 Mbps.

Iran

Uday Mahurkar

China has built an 'artificial sun' that reaches 100million °C, 6 times temperature of Sun’s core.