Intro to Computer System-functional components



Good Morning students

Let us take 2 minutes to calm our mind.🙏🙏

May God bless you
By the end of this session you will be able to 

  • Identify the various functional components of a computer.
  • In very simple words define- System unit, monitor, mouse, keyboard, motherboard,CPU and memory. 
  • Identify the steps involved in basic working of the computer- input, process and memory
  • Diagrammatically explain the components of a computer.

_________________________________________________________________________________
Functional Components of Computer System

A basic computer system consists of the  following components:



  1. System unit- consists of 
    • Motherboard
    • hard disk
    • RAM (Random Access Memory)
    • CPU(Central Processing Unit)
    • Sound Card
  2. Monitor- 
    • displays the output of a computer
    • Looks like a Television
    • Can be cathode ray tube(CRT), liquid crystal display (LCD) and light emitting diode (LED)
  3. Mouse 
    • Is a pointing input device
    • Perfectly fits in the palm
    • Allows to click a button and placing cursor at a specific position on the screen
  4. Keyboard
    • Is an input device 
    • Contains keys to feed information into computer
  5. Two types of hardware components
    • Essentials for working on a computer - CPU, Hard Disk ,Memory, Keyboard, Mouse, Monitor and Motherboard
  Motherboard:-The motherboard is the main circuit board of micro computer. it is also know as main board  or system board.

CPU:-The CPU is the central electronic chip that determines the processing power of the computer.
Memory:-Memory is the part of computer that temporarily store application documents, and system operating information.
    • Non Essential-Printer Scanner Modem Speaker Pen Drive Webcam
_________________________________________________________________________________
Working of a computer
                   Computer follows INPUT-PROCESS-OUTPUT model where

Input-refers to the process of feeding data or instructions in a computer

Processing-refers to the work done by the computer with the help of Hardware and Software

Output-refers to the result ie obtained when the computer processes the input

EXERCISE
  1. What does the system unit comprise of?
  2. What is the model on which the working of the computer is based?
  3. Write notes on the following:-
    1. Input
    2. Processing
    3. Output
  4. Write short notes on the following:-
    • Motherboard
    • CPU
    • Memory
    • Monitor
    • keyboard
    • Mouse
  5. What are the two types of hardware units? Give example.

Comments

  1. Geeta SehgalApril 3, 2020 at 7:21 AM

    Good Morning boys. As you join please enter your name.

    You have been given Class work and Home Work in the last few days. Please click pictures of that and send as an attachment on
    git@stcolumbas.edu.in

    ReplyDelete
  2. Veer PathaniaApril 3, 2020 at 7:23 AM

    Good Morning Ma'am
    Veer Pathania

    ReplyDelete
  3. Sanskar SharmaApril 3, 2020 at 7:30 AM

    good morning ma'am
    Sanskar Sharma

    ReplyDelete
  4. Geeta SehgalApril 3, 2020 at 7:37 AM

    Good morning dear

    ReplyDelete
  5. Geeta SehgalApril 3, 2020 at 7:38 AM

    Do you realise why computer is called a " system"? Can anyone answer?

    ReplyDelete
  6. Geeta SehgalApril 3, 2020 at 7:47 AM

    A computer is made up of various sub systems, which work together to produce the desired results. As it is a collection of Input, memory, processor and output so the computer is called a system

    ReplyDelete
  7. Geeta SehgalApril 3, 2020 at 7:49 AM

    Please copy the notes shared in your notebook regularly. Dont forget to put the date.

    ReplyDelete
  8. ishankApril 3, 2020 at 8:02 AM

    OK ma'am

    ReplyDelete
  9. Wayne FonsecaApril 3, 2020 at 8:10 AM

    good morning sorry v r late

    ReplyDelete
    Replies
    1. Geeta SehgalApril 3, 2020 at 8:12 AM

      Extremly late. I request you to please see the sharing in the previous blog also after the regular classes are over. Written work to be done. Both CW and HW pls

      Delete
  10. Parth RathoreApril 3, 2020 at 10:56 AM

    Good Morning
    Parth Rathore
    Class 9- G

    ReplyDelete
    Replies
    1. Geeta SehgalApril 3, 2020 at 11:12 AM

      Welcome. pls read the content shared on the blogs, write in notebook/on computer and do the home work

      Delete
  11. Sanskar SharmaApril 3, 2020 at 12:40 PM

    good afternoon ma'am

    ReplyDelete
  12. princeApril 4, 2020 at 9:13 AM

    Good Morning Mam I am Derick Joseph 9D

    ReplyDelete
  13. princeApril 4, 2020 at 9:16 AM

    This comment has been removed by the author.

    ReplyDelete

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