Grade 6 - ICT - Revision 01 - Importance of Computers


        I.            Functions of Computer – Entering data, processing them and producing processed data as InformationInp


      II.            Significant Features of a Computer

  1.       Speed and Efficiency -  Finish the task quickly
  2.       Accuracy -  Correct Information
  3.       Reliability – Rely on the process and output
  4.       consistency – It produces consistent output
  5.       Storage Capacity – It can store large amount of data
  6.       Cost – Initial cost is high
  7.       Intelligence – work according to the given instructions


    III.            Device with Embedded Computers - Computer Programmed devices are called  Embedded Devices


Examples :-
1.       Smart Phones
2.       Washing Machines
3.       Modern Cars
4.       Smart Television
5.       Smart Watch


    IV.            Components of a Computer

a.       Input Devices    - Keyboard, Mouse, Microphone, Web Camera, Barcode Reader, Scanner
b.      Output Devices -  Monitor, Printer, Speaker, Multimedia Projector
c.       CPU – Central Processing Unit – ALU, Memory and Control unit
d.      Memory
                                                              i.      Main Memory                               RAM  and ROM
                                                            ii.      Secondary Memory        -              CD, DVD, Flash Memory,
e.      Storage devices
                                                              i.      Internal  Storage              -              Hard Disk
                                                            ii.      External Storage              -              CD, DVD, Blu Ray, External Hard Disk, Pen Drive
f.        Communication Devices
                                                              i.      Network Interface Card (NIC)
                                                            ii.      Modem
                                                          iii.      Router

      V.            Importance of Software – Designed to execute certain tasks by using a computer
a.       MS – Word         -              Word Processing
b.      MS – Paint          -              Draw a Picture
c.       Media Player     -              Listen to a Song and Watch Videos
d.      Computer Games            -              Playing a Games
e.      Video Editing Software -              To Edit a video, Make a Video Clip

    VI.            Application of Computer in Various Sectors – Places computers are using

a.       Schools – ICT Lab, Office, Searching Information on Internet
b.      Banks – ATM, Electronic Cards (Credit/Debit), Internet Banking, Mobile Banking
c.       Offices – Typing Letters, Send and Receive Emails,
d.      Hospitals – Digital Thermometer , Patient Records, Operations, CT Scan, MRI Scan and Ultra Sound
e.      Factories – Robotic Technology for Production, Maintain Employee Details,
f.        Agriculture – Harvesting,  Weeding and Water Supply
g.       Transport – Online Train  and Bus Coaches Ticket Booking, Schedule Time Checks


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