DOS: Disk Operating System. DOS was the computer operating system used in the early days of computing and was extended to PC-DOS by Bill Gates when Microsoft was asked by IBM to develop an operating system for the IBM personal computers.
Microsoft Windows. Microsoft Windows is likely the most well-known and common computer operating system in the world today.
(TCO 2) In C++ terminology, (Points : 4) a ... a class object is the same as a class instance. a class object is the same as a class member. a class object is the same as a class access specifier.
