Operating System and Graphical User Interface

Objective Type Questions

Fill in the blanks with the correct words:

1. The booting 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 interface.
3. CUI does not support pointing devices like mouse.
4. Windows is the most common operating system used nowadays.
5. A multi-user operating system allows more than one users to use the same computer.

State whether True or False. Correct the False statements:

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

Choose the correct option:

1. Which of the following is the master control program of a computer?
   a. Operating System
   b. MS Word
   c. MS Excel
   d. None of these
2. Which of the following is/are popular operating system(s) for mobile phones?
   a. Android
   b. Windows mobile
   c. iOS
   d. All of these
3. Which of the following interface is mostly used in modern computers?
   a. CUI
   b. GUI
   c. UI
   d. None of these
4. Minimize button is located at the ________ corner of the window.
   a. Top-right
   b. Top-left
   c. Bottom-left
   d. Bottom-right
5. We can work on more than one software in ________.
   a. CUI
   b. GUI
   c. Both (a) and (b)
   d. None of these

Descriptive Type Questions

Answer the following:

1. What do you mean by booting?
   The process of turning on a computer and loading the operating system into the RAM is known as booting.
2. Name two popular operating systems.
   Windows 10 and Android are two popular operating systems.
3. Mention any two functions of operating systems.
   Following are the two functions of operating systems:
   a. Device management.
   b. File management.
4. Name two types of user interface.
   Following are the two types of user interface:
   a. CUI (Character User Interface)
   b. GUI (Graphical User Interface)
5. Give the full forms of CUI and GUI.
   CUI – Character User Interface
   GUI – Graphical User Interface

Extra Questions

Answer the following:

1. Why do we need an operating system?
   We need operating system for the following reasons:
   a. It controls the hardware and software resources.
   b. The OS provides hardware independence.
   c. It makes the applications portable.
   d. The OS makes the applications upward compatible.
2. What are the main features of an operating system?
   Following are the main features of an operating system:
   a. The OS can work on diverse hardware platforms.
   b. It provides a user interface.
   c. It supports a variety of connectivity.
   d. The OS provides an administrative user.
   e. It helps to boot the computer.
3. What are the various types of operating systems?
   Following are the types of operating systems:
   a. Single-user and Multi-user: Single-user OS allows only one user to work with the computer at a time. Multi-user OS allows multiple users to work with the computer at a time.
   b. Real-time: It is an OS that reacts to input within a specific period of time.
   c. Distributed: It combines different computers in the network in such a way that the users think they are working on a single computer.
   d. Interactive and Batch processing: Interactive OS allows users or programs to perform input-output at any time during processing. Batch processing OS doesn’t allow intermittent input-output.
4. Give one example of interactive OS and another of batch processing OS.
   Windows is an Interactive OS.
   MVS is a batch processing OS.
5. Give two examples of distributed OS.
   Linux and Windows 2003 are distributed operating systems.
6. Give two examples of real-time OS.
   Windows CE and Lynx OS are real-time operating systems.
7. Give one example of single-user, and another of multi-user OS.
   DOS is a single-user OS.
   Unix is a multi-user OS.
8. What is a user interface?
   A user interface refers to the hardware-software mechanism by which a user and a computer interact with each other.
9. Differentiate between GUI and CUI.
   Following are the differences:

   CUI	GUI
   Uses keyboard and monitor for interface.	Mainly uses mouse for interaction.
   A blank screen for the user to type commands.	It displays icons, buttons and dialog boxes on the screen.
   MS DOS and Windows Command Prompt are examples of CUI.	Windows 7 is an example of GUI.

10. What are the advantages of GUI?
    Following are the advantages of GUI:
    a. GUI is user-friendly.
    b. We can work on more than one software at a time.
    c. GUI supports multimedia.
    d. We can interact with a mouse.

Fill in the blanks:

1. Windows 7 opens documents and applications in rectangular boxes called window.
2. Address bar is the horizontal bar that shows the path of application or document.
3. Frame is located above the contents of the window and has a menu bar or a toolbar.
4. Toolbar contains clickable buttons for commonly used commands.
5. Scroll bars can be dragged to show different parts of the contents in the window.
6. The Minimize button reduces a window to a button on the taskbar.
7. The Maximize button enlarges the window to fill the entire desktop.
8. The Restore Down button restores the window to its original size.
9. Two types of scroll bars are horizontal and vertical.
10. By default, the status bar is at the bottom of the window.

State whether True or False:

1. You can resize a window along any of its four corners or sides. (TRUE)
2. We click and drag the topmost area of the window to move it. (TRUE)
3. During booting, the CPU executes BIOS that loads the OS from hard disk into RAM. (TRUE)

Full Forms:

BIOS – Basic Input Output System
OS – Operating System
UI – User Interface
WIMP – Window, Icon, Menu, and Pointer.