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3.  ................................ is a real sense device that can measure distances.

                     4.  A computer accepts data and instructions from you through ................................ .

                     5.  ................................ devices work with the help of radio frequency.

                 C.  Write ‘T’ for true and ‘F’ for false.
                     1.  Mouse is the brain of a computer.                                            ................................

                     2.  SMPS is a portable printer.                                                  ................................

                     3.  We can touch the internal hardware components.                               ................................

                     4.  Keyboard performs all the calculations.                                      ................................

                     5.  Microphone is an input device.                                               ................................

                                                       Section B (Subjective)

                 A.  Short answer type questions:
                     1.  What is the full form of modem?

                     2.  Name the types of scanners.

                     3.  Can a mouse and keyboard be wireless?

                     4.  What do you mean by a virtual keyboard?

                     5.  What does CD-RW stand for?
                     6.  What is Skylake?

                 B.  Long answer type questions:

                     1.  What is the difference between input and output devices?

                     2.  What is the role of the CPU?
                     3.  Name the different types of modem. Explain them briefly.

                     4.   What do you mean by ports in a computer system? Write the names of any three types of ports.

                     5.  List the different types of CDs and write their brief description.

                 C.  Competency-based/Application-based questions:
                    1.  Akhil is an artist. He makes a drawing on paper and then scans the drawing to save it to the
                       computer. After opening the scanned drawing, he realised that he cannot edit the drawing. Now,
                       he decided to draw directly on the computer screen. As a good friend, suggest him a device that

                       he can use to do this.
                    2.  Divya is the owner of a printing press. She wants to start a new project to print good quality
                       drawings and building construction plans. But she has no idea what kind of printer she will need
                       to do this. Suggest which printer she should buy.







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                                                                              Computer—Hardware Components
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