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