Types of monitors DATA CABLE

DATA CABLE

Types of monitors:

1.CGA,XGA,EGA-    All are 9 pins connector(9 pin data cable).These monitors cannot support graphics.

2.VGA,SVGA,AGP-  all are 15 pin connectors (15 pin data cable).These monitors support graphics.

                                CGA-  color graphic adapter.

                                XGA-   extended graphic adaptor.

                                VGA-   video graphic adaptor

                                SVGA- super video graphic adaptor

IDENTIFICATION COMPONENTS IN MONITOR

                                                      MONITOR

IDENTIFICATION COMPONENTS IN MONITOR:

1.CRTor PT .(cathode ray tube or picture tube).

2.YOKE( horizontal deflection coil,VDC-vertical deflection coil)

3.Degaussing coil

4.Shield wire

5.Ring magnets

6.CRT Base or PT base.

           1. video amplifier.

           2. video driver.

           3. video output

7.Power connector.

8.Line filter.

9.Bridge rectifier.

10.SM Transformer.

11.Diodes

12.Capacitors

13.Resistors

15.IC's.

        1.Micro processor I.C

        2.Memory I.C

        3.Vertical I.C

16.Driver transformer

17.Relay

18.Coils

19.LOT(extra high tension,focus,screen)

20.Heat sync

21.Presets

22.Crystal

23.Fuse

24.PTC(positive thermal conductor)

25.Micro switch

26.LED

27.Iron core 

Definition, Advantages & Disadvantages. A floppy disk is a storage

Definition, Advantages & Disadvantages. A floppy disk is a storage medium that consists of a thin and flexible magnetic disk inside a plastic carrier. Widely used since the 1970s until the early 2000s, they have gradually been replaced by other storage devices 
                            
              

SMPS POWER CABLE FOR COMPUTERS etc

            SMPS POWER CABLE

HARD DISK internal structure

HEAD ARM:- Head arm is used for moving purpuse to read and write the data on the hard disk

HEAD SHOFT:- Head shoft is used to read and write the head

PLOTTER:- Plotter is used to store the memory

JUMPER SETTING:- Jumper setting is used for primary in master secondary master secondary

DATA CABLE OR CONNECTOR:- This is used to connect the IDE cable or bus cable

VOICE COIL:- Voice coil is used to move the head top and down up and down

MOLEX OR POWER CONNECTOR:- This is used to connect the power pin Molex it has four pins It had 40 pins

 READ AND WRITE HEAD :- This is used for data Read and write head

SMPS:-This is used for system power supply SMPS{ switch mode power supply}

HARD DISK IDE SATA

HARD DISK IDE SATA:- Hard disk are input devises Which are use to data stores

CD WRITER

       

CD WRITER:- CD writer are output devises Which are use to only read and writer CD  

WEBCAM

WEBCAM:- Webcam are output devises Which are use to video calling and photo picture

HEADPHONE

HEADPHONE:- Headphone are output devises Which are use to voice chat and  music

       

FAXS

            FAXS:- Fax are input devises Which are use to send the something matter text format and                    phone 

                                 

SCANNERS

              SCANNERS:- Scanner are input devises Which are use to scanning the photos are any text                 formats
           

               

PRINTERS

          PRINTERS:- This are also output devises Which are use to get the print out in colour are black and white pages.

                                   

                                             

DESKTOP SPEAKERS

   

         SPEAKERS:- This are output devises Which are use to  lesion the music are etc.
    
           

CD DVD Read and writer

                             

                                            Read and writer CD DVD 

                                    

                                            

EXTERNAL USB DVD WRITER

   



         EXTERNAL USB DVD WRITER
                   

DVD WRITER

                              DVD WRITER:-This is used to Digital Versatile Disk

                                     

                                     

 

C D - ROM

    

                 C D ROM:- This is used to Compact Disk Read Only Memory

                      

                                                                

                      

R.A.M TYPES

   

            R.A.M:- There are two types of ram . This rams or used for desktop and laptops

          1. S.D RAM

          2. DDR. RAM

               S.D RAM :-                                                         

                                                 

                                                   

LAPTOP RAM

MOTHERBOARD & motherboard components names

                               





 MOTHERBOARD :-  The motherboard is a printed circuit that is the foundation of a computer 

and allows the CPU, ram and all other computer hardware components to function with each other

PROCESSORS TYPES

                 



                    PROCESSORS :- A processor is the logic circuitry that responds to and processes the                                                      basic instructions that drive a computer.
                                 
                                                 They are two types processors available

                                   

                                                 1.      Slot processor

                                          2.     Chip processor

                             

                                                  

MOUSE TYPES

MOUSE :- Mouse is also an input device.

They are different types of mouse available

1.      Two button

2.      Three button

3.      Scroll button

KEYBOARD TYPES

KEYBOARD :- It is an input device which is used to give command are input signal. 

They are two types of key boards available

   Normal Keyboard – PS2 pin, Serial pin

 Multimedia Keyboard – USB pin

OBSERVATION PARTS MONITOR

OBSERVATION PARTS

MONITOR :- Monitor is also called as display unit. It is like a T.V. It is built by a plastic P.V.C cabinet. It will display with the help of C.R.T ( Cathode Ray Tube )

                           

TYPES OF COMPUTERS

5th GENERATION :- Laptop or Bio cells

5^th GENERATION :- Laptop or Bio cells

Advantages :-

1.       It occupy a slate space

2.      Minimum one hardware engineer

3.      The system work life long

4.      It’s duration era 1995 onwards 

4.GENERATION V.L.S.I.C- COMPUTER

4.GENERATION  V.L.S.I.C ( Very Large Scale Integrated Circuits )

Advantages :-

 Better than 1^st  and 2rd  are 3^rd generations

1.      It occupy minimum space

2.      Minimum 2 or 1 hardware engineers

3.      The system works life long

DISADVANTAGES:-

1.      Current power waste

2.      It’s duration era 1975 to 1995

3 .GENERATION: ITS Integrated circuits.

3 .GENERATION: ITS Integrated circuits.

1.      It occupy quarter space.

2.      Minimum 3 to 4 hardware engineers.

3.      The system works for few years.

DISADVANTAGES :-

1.      Normal heat was generated

2.      A/C requirement

3.      Current waste

4.      Money waste

5.      It’s derision era 1965 to 1975

2nd GENERATION:COMPUTER ;Advantages

2^nd  GENERATION:   In 2 generation there was transistors.

Advantages:

 Batter then first generation.

1. It occupy a half space.

2. Normal heat was generated.

3. Minimum 4 or 5 hardware engineers.

4. The system works for few months.

Disadvantages:

1.      A/c Requirement.

2.      Current waste.

3.      Money waste.

4.      Its derision era 1955 to 1965.

1st GENERATION:COMPUTER Advantages:

GENERATIONS OF COMPUTERS:

To tamely there are 5 generations.

1^st GENERATION: In 1 generation there are 18,000 vacuum tubes.

Advantages:

1.     It occupy a lot of space.

2.    Very big heat was generated.

3.    A/c – Requirement.

4.    Current waste.

5.    Money waste.

6.    Minimum 6 or 7 hardware engineers.

7.    The system works for few days.

8.    Its derision era 1942 to 1955.

BASICS- FCC- FUNDAMENTAL COMPUTER CONCEPTS

BASICS- FCC- FUNDAMENTAL COMPUTER CONCEPTS

C = Commonly.

O = Operated.

M = Machine.

P = Particularly.

U = Used for.

T = Technical.

E = Education and.

R = Research.

DEFINITION OF COMPUTER:

Computer is an electronic deride which taken the data store. It process it and gives the result finally its stored in its memory its information is very speed .