Digital computer

Ms word  Ms-office package has 4 Applications: Ms Word Ms Excel Ms-PowerPoint Ms-Access MS-WORD Click on start(click on programs(select Ms office and Sub select click on Microsoft word( ok (or) Click on start(click on run(select click and click or type winword( ok. In ms word you can write the documents, can create columns, tables, insert the clip art pictures, can make resumes, create drawing, can make visiting cards, broachers, pamphlets, etc., It window of ms-word appears as. Ms –word file is called a document. Its extension is .docx Office menu:   1 .New (ctrl + N ): To create a new document, click on blank document. 2.Open (Ctrl + O): To open already existing files. 3.Save (Ctrl + S): To save a file. 4.Save as: To save a file with another name or to save a file in another location. 5.Print: To take out the print out. 6.Close: To close the existing document. 7.Exit: To close the ms-word. Home :  1.Undo (Ctrl + Z): It will repeat the letter or word which you have del...

  Click on start(click on programs(select Accessories and Sub select click on wordpad(ok. (or) Click on start(click on run(select click and click or type wordpad( ok.       WordPad extension is .rtd It window of wordpad appears as: Examples :- WordPad open karne ka do Tarika hai pahla tarika click on the start bar click on programs uske bad select accessories and subject aane ke bad WordPad click karna hoga aur dusri Tarika hai window Plus R shortcut ki hai ki sath window plus R click karoge to Run open hoga open hone ke bad WordPad typing karna hoga uske bad Wordpad open ho jaega. File: New: To create a new file click on rich text document. Open: To open already existing files. Save: To save a file. Save as: To save a file with another name or to save a file in another location. Page setup: To set the margins of the page. Print: To take out the print out. Exit: To close the wordpad. Edit: Undo: It will repeat the letter or word which you have deleted. Cut: This o...

 MS-DOS means micro soft disk operating system. In dos you have two commands. They are: Internal commands External commands To open the dos window(click on start(click on run(select click or type command(then click on ok. To increase the dos screen press alt+ enter. It will maximize the dos screen. The window will appear as: Now, it will display as: C:\>DOCUME~1>GEENI001> 1. To delete directory and sub directory  C:\>DOCUME~1>GEENI001> cd.. press enter   ( C:\>DOCUME~1>cd..      ( C:\> 2.To delete both directory and sub-directory C:\>DOCUME~1>GEENI001>cd\       ( C:\> 3. Date: It will display the systems date. (mm-dd-yy) C:\>date ( 4. Time: It will display the systems time. C:\>time ( 5. Version:  It will display the systems version. C:\>ver ( 6.Volume: It will display the systems volume. C:\>vol      ( 7. Label: This label is used to...

 Laser printer hota kya hai ? Printer ek output device hai jo output ko kagaj mein chhap kar prastut karta hai. Kagaj per chhapi gai output ko hard copy kahate Hain. Jaise monitor soft copy ko roop mein prastut Karta hai vaise hi printer theek vaise hi printer printer ke jariya mein hard copy prastut karta hai is prakar printer hard copy output device hai. Copy ko hard copy mein parivaatat Karta hai AVN hard copy se uski copy bhi print karta hai. #. Joystick kya hota hai ? Joystick ek input devices hai. Jiska prayog computer mein game khelne ke liye kya jata hai vaise bhi computer Ke sari games keyboard dwara khele ja sakte hain. Parantu kuchh Gyan teji se gati mein khele jaate Hain Kaun games main ham Apni aapko civil Achanak mahsus nahin karte isliye joystick ka prayog Kiya jata hai ise computer Gyan khelne mein aasani hoti hai ismein anek prakar ki button Hoti hai Jaise computer ko command dete Hain justice ke niche potassium metre Laga hota hai jismein movement hota hai ISI pot...

  Monitor  - A computer monitor is an output device which helps the users to discipline all the information pictorial form. Examples : - ek mobile ko ek touch  karenge to vah hamen output dega vah kaise dekho mobile mein display per touch karene se ek aap ko Ba ek Youtube ko touch karenge to vah hamen output dega kyunki ham usko input Diya hai isliye vah humko output dega okay. Keyboard :-  A keyboard is a an input device which helps the users the enter the data. Examples :- keyboard se ham tumhara naam namco keyboard se typing kar sakte Bina keyboard se ham computer chala nahin sakte Hain keyboard mein achcha picture hai shortcut key . Jo kam mouse se nahin ho raha hai vah keyboard se ho jaega. Keyboard mein function keys, numerical key, numbering keys, Number lock, caps lock, and scroll lock etc. Mouse :-a computer mouse is a hand held hardware input device that controls a cursor in a GUI (GRAPHICAL USER INTERFACE) and can move and select text, icons, files and fol...

 GENERATIONS OF COMPUTERS Computers introduced after 1940 are classified into 5 Generations : 1 - First-Generation (1940 – 1955) 2- Second-Generation ( 1956 – 1960) 3 - Third-Generation ( 1961 – 1970 ) 4 - Fourth- Generation (after 1970) 5 - Fifth-Generation (after 1990) Point ( no 1 ) Aaj humne jaane wale hai pehila computer bare mein aap jante ho pehile computer first generation 1949 - 1955 Tak Raha uske bad second generation computer abiskar Ho Gaya aur ek bhai jante ho second generation ka aavishkar karne wala ka naam hai Charles Babbage aur Ada loveless  Aaj ka jamana hai vah ek bacchi purana jamana mein computer ki generation kiya tha isliye aajman hai aaj Har vyakti jaanta hai uska naam lady ke naam pahle jamane mein vah to scientist the isiliye uska naam. Aap ek aur baat jante ho pahle main computer bare mein kuchh knowledge nahin tha kyunki main computer jaanta nahin tha ek din kya hua jante ho mera ek dost ek din Aakar poochha bhai computer ka father ka naam...