Class 8 Operating Systems

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A. Fill in the blanks with the correct words:

1. The GUI operating system is user-friendly.
2. The Title bar is the horizontal bar located at the top of the window.
3. The Maximize button enlarges the window to fill the entire desktop.
4. The Minimize button reduces a window to a button on the taskbar.
5. The Status bar is generally present at the bottom of the window.

B. Write T for the true statement and F for the false one. Correct the false statement(s).
1. A CUI is more user-friendly operating system interface than a GUI. (F - GUI is more user-friendly)
2. A mouse is the preferred input device in a CUI OS. (F - Keyboard is the preferred input device in CUI)
3. The minimize button changes to Restore Down button. (F - Maximize button changes to Restore Down button)
4. You cannot resize a window in Windows 10. (F - We can resize)
5. A multi-user operating system runs only on multi-processor computers. (T)

C. Choose the correct option.
1. Which one is not an operating system?
a. Mac
b. Android
c. Windows 10
d. Word
2. It is a layer of the computer system between the hardware and the user program.
a. Operating System
b. Compiler
c. Interpreter
d. Driver
3. In this OS, commands are entered through the keyboard only.
a. Windows 10
b. MS-DOS
c. Windows 7
d. Mac
4. Which one is a function of an operating system?
a. Memory management
b. Processor management
c. Device management
d. All of them
5. The process of turning on a computer and loading the operating system into the RAM is called ________.
a. BIOS
b. Booting
c. Interface
d. None of these

D. Answer the following:
1. What do you mean by the term 'Operating System'?
It is the master control program that enables users and other programs to communicate with and operate the computer hardware.

2. Write the name of any two operating systems each for a personal computer and a mobile phone.
Personal Computer - Windows 10, Mac
Mobile phone - Android, iOS

3. Mention the main difference between a CUI and a GUI.
Keyboard is the main input device in CUI, whereas a mouse is the main input device in a GUI.

4. What is meant by booting the computer system?
It is the process of turning on a computer and loading the operating system into the RAM.

5. What is the difference between interactive and batch processing?
An interactive OS allows us to perform input-output at any time during processing, whereas, a batch processing OS doesn't allow this intermittent input-output.

6. What are the functions of the operating system?
a. Processor management
b. Memory management
c. Device management
d. File management
e. Interface management

7. What are the different types of operating systems?
a. Single-user and Multi-user
b. Real-time
c. Distributed
d. Interactive and batch processing
e. Multi-processor
f. Multithreading
g. Multi-tasking

8. Write a line each about the components of a typical window in Windows 10.
Title bar - displays the name of the file or program at the top of the window.
Ribbon - contains commands needed for common tasks.
Address bar - shows the path of the application or document currently opened.
Scroll bars - To show different parts of the contents of the window.
Status bar - shows useful bits of information related to the current window.

Location: Asansol, West Bengal, India

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