DCA NOTES PART 1

 

SYLLABUS OF DCA

BANERJEE COMPUTER ACADEMY

                      

Ø INTRO OF COMPUTER

Ø FEATURES OF COMPUTER

Ø MS PAINT

Ø WORDPAD

Ø MS OFFICE (2007,2010,2013,2016)

Ø MS WORD

Ø MS EXCEL

Ø MS POWERPOINT

Ø MS PUBLISHER

Ø MS ACCESS

Ø MS PICTURE MANAGER

Ø USER MANAGEMENT

Ø DESKTOP MANAGEMENT

Ø TASK MANAGEMENT

Ø FILE MANAGEMENT

Ø MOUSE SETTING

Ø DATE & TIME SETTINGS

 

 

 

INTRODUCTION OF COMPUTER.

 

WHAT IS COMPUTER ?

 

Ø COMPUTER  IS AN ELECTRONIC MACHINE , WHICH CAN BE SOLVED ARITHMETIC AND LOGICAL PROBLEM. IT TAKE  THE DATA IN THE FORM OF INPUT AND  PROCESS IT THAT GIVE THE RESULT IN THE INFORMATION.

         COMPUTER WORD COMES FROM “GREEK” WORD “COMPUTE” WHICH MEANS CALCULATE.

        “CHARLES BABBAGE” THE FATHER OF COMPUTER IN THE              YEAR 1832 RELEASED ON FORMULAE “DIFFERENGE ENGINE”          COMPUTER RELEASED ON 1837.

 

C – COMMON

O – OPERATED

M – MACHINE                                                           

P – PARTICULARIY

U – USED IN

T – TECHINICAL

E – EDUCATIONAL

R – RESEARCH.

 

“ ALAN TURING” the father of modern computer science.

 

 

§  Who is the father of electronic computer ?

“ JHON VINCENT ATANASOFF”

 

ARCHITECTURE  OF   COMPUTER.

(INPUT)               (PROCESS)                 (OUTPUT)

INPUT

 

·       Keyboard

·       Mouse

·       Joystick

·       Light pen

·       Barcode  reader

 

PROCESS

 

·       ALU – Arithmetic logical unit.

·       MU – Memory Unit

·       CU – Control Unit

 

OUTPUT

·       Monitor

·       Printer

·       Speaker

·       Projector

Ø Who  is  the  mother of computer?

           Lady Augusta “Ada Lovelace”.

USES  OF  COMPUTER.

§ Scientific and engineering.

§ Educational  and  research.

§ Business Activities.

§ Software  development.

§ Entertainment.

§ Communication  

COMPARISON BETWEEN HUMAN BEING                    AND COMPUTER

HUMAN BEINGS

1.Human Beings are slow In doing calculation.

2.  Human being cannot Remember lots of things at one time.

3.Human Beings can make mistake. 

4. Human Beings have Feelings

5.  Human Beings can think.

6.Human Beings gets tired if they walk for  long hours.     

COMPUTER         

1. Computer can do complex calculation in seconds.

2.Computer can store and remember a large amount of Information at one time.

3.Computer do not make Mistake.     

4. Computer do not have feelings

5. Computer cannot think.

6. Computer never gets tired.

 

                                                                                                             MONITOR.

 

                                 KEYBOARD

 

                         MOUSE.                       

 C.P.U (Central Processing Unit)

  (Brain of Computer) (System case)

   

     Uninterrupted Power Supply
   

                         Task Bar             

Display all minimize program.
                             

 

                                                Notification Area  

 

                        CAPTION BUTION 

ALT + SPACE + X – Maximize.

Alt + space + r – restore.

Alt + space + n – minimize.

Alt + tab            -  Switch between

                                   Two program.

Alt + f4              - close.

Ø  Window + e – my computer

 

ABOUT  KEYBOARD  KEYS.

A + Z – ALPHABETIC KEYS.

F1 +F12 – FUNCTION KEYS.

0 + 9    -  NUMERIC KEYS.

    

                                 WINDOW KEYS.  
  

                             SHIFT KEYS.

 

                             SPACE KEYS.

               ENTER & RETURN KEYS

                             TAB KEYS.

@ ,# , % ----        SPECIAL KEYS.

 

N	/	*	-
7	8	9	+
4	5	6
1	2	3

 

 NUMERIC KEYBOARD.

 

 

                     

 

Ø HOW TO SHUTDOWN THE COMPUTER KEYBOARD.

ANS:--                              ALT+F4

 

·     Stand by

·     Turn off.

·     Restart.

·     Hibernate.

·     Turn off.

·     Log off.

·     Lock / switch user.

 

Ø HOW TO SHUTDOWN COMPUTER USER MOUSE ?

 

§  STAND BY (SLEEP MODE)

§  TURN OFF(SHUTDOWN)

§  RESTART (HOT BOOTINS)

§  LOG OFF

§  SWITCH USER

§  HIBERNATE

 

1.   STAND BY:- PUT YOUR COMPUTER IN ALOW POWER STATE SO THAT YOU CAN QUICKLY RESUME YOUR WINDOW SESSION.

                TO HIBERNATE INSTEAD HOLD DOWN THE SHIFT KEY.

    2.TURN OFF :- SHUTDOWN WINDOW SO THAT YOU CAN SAFELY TURN OFF THE COMPUTER.

    3. RESTART:-SHUTDOWN WINDOWAND THEN START WINDOW AGAIN.

4. LOG OFF: - PROVIDES OPTIONS FOR CLOSING YOUR PROGRAMME AND LOGGING OFFOR FOR LEAVING YOUR PROGRAMME RUNNING AND SWITCHING TO ANOTHER USER CLOSE YOUR PROGRAME AND END YOUR WINDOW SESSIONS.

5. SWITCH USER: - LET ANOTHER USER LOG ON WHILE YOUR PROGRAMS AND FILES REMAIN OPEN.

                (YOU CAN ALSO SWITCH USERS BY PRESSING THE WINDOWS LOGO KEY +1)

6. HIBERNATE:-SAVER YOUR CURRENT DESK STATE TO YOUR HARD DISK SO THAT

CAN RESUME WHERE YOU LEFT OFF,THEN SHUT DOWN YOUR C0OMPUTER.

 

      HOW TO SHUT DOWN COMPUTER USING KEYBOARD?

WIN +R (DISPLAY RUN DIALOG BOX)

a.    
SHUTDOWN (SPACE) b- S  :-SHUTDOWN THE COMPUTER WITHIN 30 SEC.

b.   


SHUTDOWN  b   –R        - RESTART THE COMPUTER WITHIN 30 SEC.

c.    
 SHUTDOWN b – A  (enter)    ABOUT THE SYSTEM  WITHIN SHUTDOWN  PROCESS.

d.   

SHUTDOWN SPACE – R – t  b 600 (enter) – SHUTDOWN THE COMPUTER ACCORDING TO USE DEFINE TIME.

 

e.     


SHUTDOWN  SPACE – R – T b 500    -      RESART THE COMPUTER ACCORDING TO USE DEFINE TIME.

 

f.       
LOGOFF :- LOGOFF THE SYSTEM.