Research the ff : term :
2.GUI: graphical user interface (GUI, sometimes pronounced gooey) is a type of user interface that allows users to interact with electronic devices with images rather than text commands.
3.Linux: is a computer operating system which is based on free and open source software
4.Macintosh OS: is a series of graphical user interface-based operating systems developed by Apple Inc. (formerly Apple Computer, Inc.) for their Macintosh line of computer systems. The Macintosh user experience is credited with popularizing the graphical user interface.
6.Multitasking: is a method where multiple tasks, also known as processes, share common processing resources such as a CPU
7.NOS:the primary operating system for the Control Data Corporation Cyber line of mainframe computers
8.OS:is software, consisting of programs and data, that runs on computers, manages computer hardware resources, and provides common services for execution of various application software.
9. System Software: computer software designed to operate the computer hardware and to provide a platform for running application software.
10.Application Software: is computer software designed to help the user to perform specific tasks.
11.UNIX:The Unix operating system was first developed in assembly language, but by 1973 had been almost entirely recoded in C, greatly facilitating its further development and porting to other hardware.
12.Utility Programs:A program that performs a specific task related to the management of computer functions, resources, or files, as password.
13.Windows: is a series of operating systems produced by Microsoft.
14.Windows CE:is an operating system developed by Microsoft for embedded systems. Windows CE is a distinct operating system and kernel, rather than a trimmed-down version of desktop Windows.
15.Windows Mobile: is a mobile operating system developed by Microsoft that was used in smartphones and mobile devices, but by 2011 was rarely supplied on new phones.
DIFFERENTIATE: MAC VS WINDOWS VS UNix
Mac OS X is a Unix-like operating system developed by Apple for their Mac hardware line. Windows is a series of operating systems, running their own proprietary kernel, that is developed by Microsoft...