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B.  Fill in the blanks using the words given below:


                                         Real-Time, CUI, Operating System, Software, User Interface



                     1.  .............................. is a set of instructions or programs that tell the computer what to do.

                     2.  After the process of booting, the .............................. gets loaded into the computer's memory.

                     3.  .............................. operating system is designed to do tasks quickly and within a set time.

                     4.  .............................. is not user-friendly as compared to modern user interfaces.

                     5.  .............................. is the part of an operating system that lets you interact with the computer.

                 C.  Match the following:

                     1. GUI                                     a. Software  that manages and controls the
                                                                   computer’s hardware and software resources.

                     2. Distributed Operating System            b. It is simple to use, making it ideal for beginners.

                     3. Linux                                   c. Hard for people to remember all the commands.

                     4. System Software                         d. Operating system

                     5. CUI                                     e. The operating system manages a group  of
                                                                   independent computers as if they were a single
                                                                   system.


                 D.  Write ‘T’ for true and ‘F’ for false.
                     1.  Hardware and software can function independently of one another.                  ....................

                     2.  The OS has built-in security features to protect your computer from
                        unauthorised access.                                                               ....................
                     3.  GUI provides a command prompt to the users.                                       ....................

                     4.  Single-user operating system is used in robotics or automatic controls
                        in factories.                                                                      ....................
                     5.  GUI uses a variety of input methods including a mouse, touch screen or
                        stylus.                                                                            ....................



                     Answer Arcade                                                            Section B (Subjective)



                 A.  Short answer type questions.

                     1.  Define hardware.

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