1. The _______ process involves running a series of tests to ensure that the computer system is operating properly and loading the operating system into RAM.
2. An interactive operating system uses a user __________.
3. ____________ does not support pointing devices like mouse.
4. ____________ is the most common operating system used nowadays.
5. A __________ user operating system allows more than one users to use the same computer.

Write T for the true statement and F for the false one. Correct the false statement (s).

1. An operating system is required for controlling the hardware and software resources of the computer.
2. A mouse can be used to select the items on the screen in CUI.
3. Distributed operating system are always installed on a single computer.
4. Address bar displays  information related to the content of the window.
5. CUI is user friendly and easier to use than GUI.