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j.   Which of the following is called non-volatile memory?

                       (i)  DRAM                                        (ii)  ROM
                      (iii)  RAM                                       (iv)  CPU

                    k.   How many megabytes are there in one gigabyte?

                       (i)  1056                                        (ii)  1032

                      (iii)  1024                                      (iv)  1000
                    l.   A group of ____________ is called nibble.

                       (i)  4 bits                                      (ii)  8 bits

                      (iii)  2 bits                                    (iv)  16 bit

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


                                  Application software, Hardware, Operating system, ALU, Devices
                                                Optical Disc,  Zettabyte,  USB,  Byte


                    a.   Parts of computer that we use to work with the computer are called ____________ .
                    b.  ____________ is a part of computer that we can touch and see.

                    c.  ____________ is used to perform a particular task.

                    d.  ____________ is a system software.

                    e.  ____________ is used to perform  arithmetic calculations.

                    f.  External hard disks can be connected with the help of ____________ ports.
                    g.  The basic unit of measuring the computer memory is called ____________ .

                    h.   An ____________ is an electronic storage device that uses laser beam to read and write data.

                    i.  One ____________ equals 1024 EB.

                 3.  Write 'T' for true and 'F' for false.

                    a.   CPU is made up of ALU, CU, and MU.                                             ____________

                    b.   Speakers are the storage device.                                               ____________

                    c.   Joystick is an output device.                                                  ____________
                    d.   CPU is made up of ALU, CU, and MU.                                             ____________

                    e.   Speakers are the storage device.                                               ____________

                    f.   Joystick is an output device.                                                  ____________









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