(1) Which is the most popular operating system?
Ans. Windows Operating system.
(2) Name the windows sizing buttons on the title bar.
Ans. Maximize, Minimize and close button.
(3) Name two operating systems.
Ans. Windows Operating system and Linux operating system.
(4) Name any three components of a program window.
Ans. Menu bar, Toolbar and Title bar.
4. Explain the use of maximize and restore buttons.
Ans. When a program window occupies the entire screen on the Desktop. The widow is said to be maximized.. When widow is maximized, the middle button is restore button. Clicking this button makes the window smaller size. Once small, the middle button changes to maximize, indicating if you click on this button now, the window will be maximized.