Page 14 - TrackpadV1.0_C2_Flipbook
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REVISIT



                    ▶   A computer stores data, instructions and information inside a memory which is called computer
                        memory.
                    ▶   There are two types of memory available: primary memory and secondary memory.

                    ▶   Primary memory is the main memory from which the CPU can access data directly.
                    ▶   RAM is a temporary memory and ROM is a permanent memory.
                    ▶   Secondary memory is used to store large amounts of data permanently.

                    ▶  The basic unit for measuring the memory of a computer is byte.











                  1.  Tick ( ) the correct option.
                      a.  What is the storage unit in a computer called?

                           (i)  Storage unit                (ii)  Memory unit               (iii)  Binary unit

                      b.  1 Terabyte (TB) is equal to ____________.

                           (i)  1024 Gigabytes              (ii)  1024 Megabytes            (iii)  1024 Kilobytes

                      c.  Which is the main memory of the computer?

                           (i)   Secondary memory           (ii)  Backup memory             (iii)  Primary memory

                      d.  Which of the following is used to store large amounts of data permanently?

                           (i)  RAM                         (ii)  ROM                       (iii)  Hard disk


                  2.  Fill in the blanks using the words from the help box.

                                                  RAM, byte, hard disk, nibble


                      a.   The basic unit for measuring the memory of a computer is the ____________.
                      b.   A group of 4 bits is called a ____________.

                      c.   ____________ is a volatile memory.

                      d.   ____________ is the main secondary storage device.


                  3.  Think and answer.
                      a.  What is a byte?

                           _____________________________________________________________________________



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