1. Microsoft
Callum Hibbert

2. History OF Microsoft
The history of Microsoft began on April 4, 1975, when it was founded by Bill Gates and Paul Allen in Albuquerque. Microsoft Windows eventually overshadowed OS/2 in terms of sales. to develop and sell BASIC interpreters for the Altair It rose to dominate the personal computer operating system market with MS-DOS in the mid- 1980s, followed by Microsoft Windows.

3. windows
On November 10, 1983, Microsoft announced Windows, a graphical user interface (GUI). However, these same features made Windows NT perfect for the LAN server. Of Windows 95 moved closer to Windows NT, although Windows 95/98/ME did not, "Windows Home Server 'Vail' to get more entertainment hooks".

4. Four main functions of an operating system
An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

5. the year did Bill Gates and his friends Paul Allen decide to licence their program?
They licenced their program in 1975.

6. what year was DOS born?
DOS was born in 1981.

7. what year was the mouse developed?
The mouse was created in 1968.

8. In what year was G.U.I introduced and what does it mean?
A graphical user interface (GUI) is a human-computer interface that uses windows, icons and menus and which can be manipulated by a mouse (and often to a limited extent by a keyboard as well).

9. In what year was windows introduced?
Windows was first introduced in 1985, November 20.

10. Was Windows 3.11 Classed as a G.U.I, why not?
No, it is not classed as a G.U.I because it is DOSS based.