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6. Which of the following is not an operating system?
a. DOS b. Linux
c. Windows d. None of these
B. Fill in the blanks using the words given below.
Hints: GUI, Tally software, Operating system, DOS, CUI
1. .............................. is an example of CUI.
2. .............................. works as a manager for the computer.
3. .............................. uses characters to type instructions.
4. Windows is an example of .............................. .
5. .............................. is an example of application software.
C. Write ‘T’ for true and ‘F’ for false.
1. An operating system consists of hardware and software. ....................
2. OS stands for operating system. ....................
3. CUI stands for Card Used Interface. ....................
4. Application software includes the OS, BIOS, and utility software. ....................
5. GUI is a more user-friendly interface. ....................
D. Match the following terms:
Column A Column B
1. Graphical User Interface a. The command needs to be typed in this interface.
2. Operating system b. It provides a set of commands, menus, and icons that
allow a user to interact with a computer.
3. Application Software c. It uses menus, icons, and mouse clicks to give instructions.
4. Character User Interface d. It is an interface between user and computer.
5. User Interface e. It is developed for a specific purpose.
Section B (Subjective)
A. Short answer type questions:
1. Name any two types of operating system.
2. Name any two categories of software.
3. Write two disadvantages of character user interfaces.
4. Write the names of any two GUI operating systems.
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Operating System

