Page 50 - CA 165 ver 1.0 Class 9
P. 50

Solved Exercise



                                                                 PART A


                  A.   Very short answer type questions.
                      1.   What holds temporary information, which gets erased as soon as the power supply is turned off?
                      2.   Name the buffer memory used for swapping information between primary memory and ALU.
                      3.   Name the optical disc that uses the blue violet ray to write the data.
                      4.   Name the printer that prints the content by striking the printer head on the paper.

                      5.   Name the printer that can be used to print colorful text and images at a very high speed.
                      6.   Which unit of measurement of resolution is applied to printers, scanners, monitors etc.?

                      Ans. 1. RAM   2. Cache   3. Blu-ray disc   4. Impact printers   5. Laser    6. DPI

                  B.   Fill in the blanks.
                      1.     A .................................... is a set of sequentially arranged instructions which directs the computer to perform
                          different actions.
                      2.  .................................... is the collection of raw facts and figures.
                      3.  .................................... controls and coordinates the flow and execution of data and instructions, that are fed
                          into the computer’s memory.
                      4.   The physical component of the computer system is called the .................................... .
                      5.  .................................... is a voice based input device.
                      6.  .................................... device is used for processing information printed on the cheques.
                      Ans. 1. Program    2. Data   3. Control Unit   4. Hardware   5. Microphone   6. MICR

                  C.   Case Based MCQs
                        Computer can neither think nor work on its own. It has to be provided with a set of pre-defined instructions
                      which are written in a computer language which it can follow. Such sets of instructions are known as ‘Programs’.
                      A set of organized programs meant for specific purpose is known as ‘Software’. Software is an intangible part
                      of a computer which provides intelligence to the computer.
                      1.   Which of the following is not a word processing software?
                          i.  MS Word                                         ii.  Word Star
                          iii.  OpenOffice Writer                             iv.  MS PowerPoint
                      2.     An ............................... is a utility program that helps to translate assembly language statements into machine
                          code.
                          i.  Interpreter                                     ii.  Compiler
                          iii.  Assembler                                     iv.  None of the above
                      3.   Which of these programs are specifically developed for the users?

                          i.  Reservation System                              ii.  Payroll System
                          iii.  Billing System                                iv.  All of the above
                      4.   Which of the following is not a file system used in operating system?
                          i.  Kernel                                          ii.  NTFS
                          iii.  EXT                                           iv.  FAT



                   48     Touchpad Computer Applications-IX
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