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Computer system is made up of two types of components: hardware and software.
                       All the physical components of a computer system are called hardware.

                       A computer accepts data and instructions through input devices.
                       The CPU is the brain of the computer.
                       A computer displays the results of the processed data through the output devices.
                       Storage devices are used to store data for future use.

                       The 3D camera  is a real-sense device which  is able to recognise faces and  use that
                      capability to log in to devices like smartphones or laptops.






                     Tech Trivia                                                               Section A (Objective)


                 A.  Tick ( ) the correct option.

                     1.  Identify which component is considered the brain of the computer.
                        a. Disk Drive                                   b. Motherboard

                        c. CPU                                          d. Sound Card
                     2.  What is the function of the Arithmetic Logic Unit (ALU) in the CPU?

                        a. Storing data

                        b. Performing mathematical and logical operations

                        c. Managing power supply
                        d. Connecting external devices

                     3.  Which optical storage medium is designed for holding large amount of data and playing
                        high definition of videos?

                        a. DVD                                          b. CD-RW
                        c. Blu-ray Disc                                 d. Flash Drive

                     4.  Identify the port that connects external audio devices like speakers and microphones.

                        a. Ethernet Port                                b. Audio Port
                        c. VGA Port                                     d. Serial Port

                     5.  Which of the following is a compact, portable storage device that connects via a USB
                        port?
                        a. Ethernet Port                                b. Flash Drive

                        c. Blu-ray Disc                                 d. HDMI Port






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