Page 53 - CA 165 ver 1.0 Class 9
P. 53

Unsolved Exercise




                                                                PART A
                 A.  Very short answer type questions.
                     1.   What is raw facts and figures known as?
                     2.   What is plate of a hard disc called?

                     3.   Name an important core part of an OS.
                     4.   What is group of 4 bits called?
                     5.   What is the measurement unit for quality of image?
                     6.   What is the measurement unit for speed of computer?


                 B.   Case Based MCQs
                       Network refers to an inter-connected group of people, object,  companies, computers, etc. For example,
                     interconnected  telephones create  telephone  network.  A  computer  network  is a  link between  two  or  more
                     computers that are connected for the purpose of sharing of information and resources among themselves.
                     Protocol refers to a set of common notions, norms or rules that coordinate or govern the functioning between
                     two or more sets of computers or networks. The term ‘INTERNET’ is derived from ‘Interconnection’ and ‘Network’.
                     Internet is the wide area network that links together millions of computers so that a wide range of users can
                     share and exchange information amongst themselves.
                     1.     Which among the following protocol is used for transferring a web page from a web server to a web
                         browser?
                         i.  HTTP                                            ii.  SMTP
                         iii.  FTP                                           iv.  TCP
                     2.   Which of the following is not used for wired transmission?
                         i.  Coaxial Cables                                  ii.  Optical Fibre
                         iii.  Twisted Pair Cable                            iv.  Infrared
                     3.   What is the set of rules called that is used for transmission of data over a network?

                         i.  LAN                                             ii.  WAN
                         iii.  Protocol                                      iv.  Transmission Media
                 C.   Fill in the blanks.
                     1.   Mouse was invented by .................................... .
                     2.   MICR code consists of .................................... digits.
                     3.   Diameter of a CD is .................................... .
                     4.  ...................................., .................................... and .................................... are the functional elements of CPU.
                     5.  .................................... stripes are found on the back side of the debit/credit card.

                                                                PART B
                 A.  Short answer type questions.
                     1.   Write short notes on:

                         i.  Mobile Application                              ii.  Kernel
                         iii.  File System                                   iv.  Device Driver
                         v.  Biometric Devices                               vi.  Barcode
                         vii.  Chat Sites                                    viii. Social Network

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