1. What is the oldest operating system?

• Linux

• Unix

• Windows

• Dos

2. Which of the following is not considered open source

• Mac

• Unix

• Linux

• Android

3. Which of the following is an output unit?

• Keyboard

• Mouse

• printer

• RAM

4. Which of the following started as an interface for the DOS system?

• Windows

• Linux

• Unix

• Mac

5. which of the following is one user and several tasks. Single-user, multi-tasking.

• Windows

• Mac

• Linux

• Unix

6. Which of the following operating systems is the easiest and most widespread.

• Linux

• Unix

• Windows

• Mac

10. Can the computer work without an operating system?

• Yes

• No

8: Does one of the tasks of the operating system include an environment for running similar programs?

• Yes

• No

9. what OS Mac depends on.

• Graphical interface

• Text interface

• Graphical and text interface together

• Dos