The operating system is distinguished by its complexityThe operating system is distinguished by its complexity
Windows 7 is a custom operating system of the windows nt familyWindows 7 is a custom operating system of the Windows NT family
Creative. black background in the middle of a red circleCreative. Black background in the middle of a red circle
A creative picture of a watermelon that has water instead of pulpA creative picture of a watermelon that has water instead of pulp
Windows operating system logo in the "matrix" style"Windows operating system logo in the "Matrix" style"