How to safe PC

     Aise Safe Rakhe Personal Computer:-

Office ho ya ghar ho, personal computer aur laptop me jaroori files se leker personal photo aur doosari important files hoti hai jinhe aap kisi ko dikhana nahi chate hai. Lekin enhe chipaye rakhne ke liye kaya kiya jaye? To kyo na aapke computer me aisi setting ker di jaye, jisase aapki personal jankari safe rahe. Es tarah ki pareshani se bachne ke liye aap apne account me password set ker sakte hai. Agar aapke alava aapka computer koi aur use karta hai. To aapke liye private folder jaroori hai. Private folder e aap apne jaroori document safe ker sakte hai. Aur ise password dalker safe kiya ja sakta hai. Aap chahe to aap desktop per ek zip folder bana sakte hai. Zip folder banane ke liye mouse ki right button click kare add to icon per click kare aur fir file aoption me advance option me jaker password dal sakte hai. Agar aap chate hai ki aapke computer ki internet history koi na dekh paye to eske liye aapne computer ki history me jaker history ko delete ker de. Apne browser me jaker clear history per click karke bhi aisa ker sakte hai.

How to do PC lock

                       PC ko kare Lock:-

Laptop ya notebook me fingerprint readers, Eye scanner ya face reorganization jaise bhaut security features hote hai. Lekin PC me ye sab nahi hota hai ab user pc ko bhi pen drive se lock ker sakte hai. Predator application ki madad se user apne pc ko lock ker sakte hai. Pc tabhi ka kerega jab aapki usme pen drive lagi hogi. USB hatate hi mouse, keyboard kaa karna band kar denge. Screen dark ho jayegi aur sath hi PC bhi automatic lock ho jayega. Pen drive lagane ke baad user pc ko unlock ker sakte hai. Predator ko user www.preditor-usb.com se download ker sakte hai.

How to Ram Upgradation

Etna Bhi Muskil Nahi Ram Upgradation:-

Kai baar computer ki speed badane ya fir koi khas program chalne ki jaroorat hoti.

Socho agar aapne khud hi Ram Upgradation kar li to bekar Investment aur sirdard se bach jayenge.

Ram ko Upgradation karne se pahle Laptop per di gai manual sitting dhyan se pad le. Aur ye bhi dhyan de ki program ko chalane ke liye 1 GB ram ya phir Gaming karne ke liye 2 GB Ram ki jaroorat hogi.

Aise Karen Upgrade:-

1.

Sabse phale Laptop ke power ko disconnect ker de aur back battery ke panel ko open karke battery ko bhi nikal de.

2. Agar Laptop me koi Internet ya phir Networking cabel lagi hai to use bhi hta de.

3. Laptop ko back karke uske Ram cover ko Pechkus se khol le.

4. Laptop ke andar ke diye gaye Ram mudule me se purani Ram nikal le.

5. Aam taur per PC me 2 Slot diye rahte hai jisme se 1 slot khali rahta ghai.

6. Eske baad nayi Ram ko khali slot me lagade. Aur use aaram se lock kar de.

7. Ab laptop ko sidha karke laptop ko restart kare.

Back side of CPU

                     Back side of CPU:-

System unit ke pichle bhag me bhaut se ports lage rahte hai. Enhe Parallel Port Serial Port attha USB kaha jata hai. Enak sanchipt vivran es prakar hai…………………

1. Power in and outs sockets:- Ename plug duara ve taar jode rahte hai. Jo light ko uske switch se system unit me tatha system unit se moniter  me pahuchata hai.
2. Serial Ports:- Yah PC ko mouse ya modem se jodta hai. Adikatam computes me do serial ports lage hote hai.
4. Video/ Monitor Ports :- Monitor se jane wala taar plug duara video monitor plug e juda rahtra hai. Yah data ko monitor tak pahuchata hai.
5. Parallet Ports:- Ese Printer Ports bhi kahate hai. Aamtaur per eska pryog computer ko printer ke sath jodne ke liye kiya jata hai. Eska sabse bada goud data convert karne ki eski gati , yah gati serial ports se 8 guna tej hoti hai.
6. Keyboard Port:- keyboard se jane wala taar plug duara seme juda rahata hai.
7. USB:- eska pryog kisi bhi upkaran ( mouse, printer etc) ko usb connection ke sath jodne ke liye kiya jata hai.
8. Fan housing:-  Kisi bhi kaam ke dauran PC me lage electronic upkaran atyadik matra me heat paida karte hai. System ke adhik garam ho jane ki aasnka bani rahiti hai. System se es atirikt garmi ko door karne  ke liye unit ke pichle bhag me ek Fan  laga rahta hai. Jo system ke andar se es adhik heat ko bhar nikal fikta hai. Es poori kriya ko Fan Housing kahte hai.
9. Adudio Jack:- Eska pryog Speaker, headphone, microphone etc upkaran jodne ke liye ke liye kiya jata hai.
10. Modem Jack:- Esaka prayog Intrenal Modem lagane ke liye kiya jata hai.
11. Small Computer System Interface  ( SCSI) Port:- SCSI port ka prayog External hard disk, DVD Drive ya Scanner ko jodne ke liye kiya jata hai.

Network _Port:- Eske duara aap Network me Ek computer ko doosre computer se jod sakte hai.

What is Scanner

                                    Scanner:-

Scanner  anivary bhago ke sreni me nahi aata hai. Ese hum jaroorat  padne per aalag se jod sakte hai. Scanner ke duara hum kisi dudtabaj  ko photo ke roop me computer me input ker sakte hai.

             Scanner se hum kisi hath se likhe dustawaj ko computer ke input kar sakte hai. Aur baad me use process karke mancha paridam prapt kar sakte hai. Sacanner ko bhi CPU me lagi port me joda jata hai.

Front Part of Cpu

                               The Front Part of System Unit:-

Es bhag me dikne wale bibhinn avyab is prakar hai………………………

1. Power Switch:- Eska prayog PC ke liye  light ko Chalu(on) ya OF karne ke liye kiya jata hai.
2. Reset Button:- Es button duara aap power supply band kiye bina hai computer ko dobara chalo(on) ker sakte hai.
3. Light:- System Unit ke agle panel me kai tarah ke soochak battiya  hoti hai. Jinme power aur turbo sanket samil hai. In battiyo ka prayog yah darshane ke liye kiya jata haiki kaya  hard disk, Floppy disk ya CD-ROM ko pada ya likha ja sakta hai.
4. Floppy Disk:- Eska prayog floopy disk me jama data ko padne ke liye kiya jata hai. System unit me ek Slot hota hai. Jisme floppy disk ko dala jata hai.
5. CD-ROM Drive:- Esaka prayog CD-ROM disk me sanchit data ko padne ke liye kiya jata hai.

Operating System

                     Types of Oprating System:-

Phale oprating system devices ke mohtaj the Devices depand software product kebal kuch prakar ke computer ko chalate them jab manufacture naye computer model introduce karte hai, to bo software improved aur alag operating system produced karte hai. Problems tab uthti hain. Jab user computer model ya manufacturing ko chodna chate hain. User je application software akser naye computer per kam nahi karte hain. Koynki application software ek visist operating system ke sath ka karne ke liye design kiye gaye hote hai kuch operating system abhi bhi devices depand hai.

Ab device- Indented operating system aa gaye hai jo kai manufacturing ke computers oprate karte hai device- Indented operating system ka profit  ye hai ki yadi aap computer model ko badal bhi de to bhi aap maujada applications software aur data files ko rakh sakte hai.         

Typewriter

                     Typewriter:-

I pad aur typewriter me se kisi ek ko chunana ho to aap kise chunenge?

Jyadatar log es jabab me I pad ka hi naam batayenge. Lekin agar baat typing ki kare to har roj I pad use karne wale user bhi typewriter ko hi tarjih denge. I pad per typing karna jara muskil hai. Ab esi uskil ko saral banae ki kosis me samne aya hai ki ek naya  gagget “Itypewriter”. Itypewriter akshro aur anko ke danche ki madad se type kiye gaye akshro ko turant Ipad per pahuchata hai.man lijiye ki aapne ‘a’ akschar type kiya to typewriter ke sath lagi keys me se ‘a’ akshr wala dancha upper uth jata hai.aur pal bhar me vo akashar ko Ipad per uker deta hai. Es device ko banaya hai scotland ke Adinbarg callege ao art e padne wale makenikal engineering ke student “Yanstin yang” ne Yanstin  ka kahna  hai ki es device ke sath user latest technology e bhi purani yadno aur anubhav ko taja kar sakte hai. Kaphi purani pidi ke vo log jinho ne khabi computer ya typewriter estemal nahi kiya vo bhi apne jane pahuchane ke sath type ker sakete hai. Eske bare me kuch scientist ka khana hai ki ek minute me es device ke jariye kam se kam  100 words nikal sakte hai. Halanki filhal es devices ke market me aane ki koi yojna nahi hai. Lekin kuch samay baad eske jyada vehtar roop me samne aane ki sabhabana se bhi enkar nahi kiya ja sakta hai. Esse pahle bhi kuch nirmata PC aur dosare Tablests ke liye USB cabke ka esteal kar ese typewriter bana chuke hai.

Web Camera

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                                   Web camera:-

Aaj ka Internet ka chalan lagatar bad raha hai. Jise nai-2 accessories bazaar me aa rahi hai. Esi nayi taknik ke that abi hal me

web camera bazaar me aya hai. Es camere ke prayog sse aap computer me film input karne se lekar door bathe manav se es tarah baat kar sakte hai jaise vah aapke samne baitha hai.

               Web camera ko computer ki USB port me lagate hai. Eske baad jab yah computer me Install ho jata hai to aap internet se phone karte samay eska prayog kar sakte hai

Examination Tips

                                           Hot Tips :-

1. Computer pryogkarta dura computer ko diya gaya nirdesh Command kahlata hai

2. Digital computer ki karya paddt ki garna aur tark siddhant per adharit hai.

3. Computer ko karya vastha me lane ke liye operating system dura kiya jane wala prarambhik karya Boot kahlata hai.

4. System per karya karne wale user ko liquer kha jata hai.

5.  Computer program ya system e error ke karan ko Bug  kha jata hai Ex- yadi koi program galat paridam dene lage to yah kaha jata hai ki es 6. program me Bug hai. Bug ko hatane ko Dibug kaha jata hai.

7. Dos ka pura name Disk Operating System hai.

 

Computer Door Se Thik Hoga

                                Computer Door Se Thik hoga:-

Yadi aapke computer me virus aa gaya hai ya fir operating system fail ho gaya hai yaa gir hard disk e data read nahi ho raha hai to ab aapko kisi hardware engineerki jaroorat nahi rahegi. Ab computer me ek ese naye chip ko lagaya jayega jise ki bhaut door se kisi network se judker chae vh Interner v Intranet kyon hi na ho es thik kiya ja sakta hai. Es taknik ka vikash Intel ne ker liye hai aur ab ese computer visesagya ke paas parkhne ke liye bheja gaya hai. Eske poori tarah test hone ke baad America se hi Bharat me aur Bharat se America me rakhe computer ko thik kiya ja sakta hai. Usme operating system kiya ja sakta hai aur computer me aaye virus ko nikala ja sakta hai. Es taknik ke sabse khas baat yah hogi ki kharab hine per yadi aapka computer off hai to bhi sue thik kiya ja sakta hai. Es taknik ko America me aapne karon me general motors ne apnana hi suru ker diya hai. Jiski vajah se kaar me yadi darvaja lock ho jaye to general motors ke call cener me baita operater bhahi se command dekar ese khol deta hai. Abhi es taknik per jo kam ho raha hai vh hai ki esse computer me store data ko kaise poori tarah se safe bachaya  jaye.

Window Media Player

                      Windows media Player

Agar  app jaisa ki chetra me dikhay gaya hai ki window media player ko taskbar  me quick launch aur nayi style me dekhna chate hai to neeche diye gayi step fallow karen……….

1.         Right button click on task bar.

2.         click toolbars and click windows media player.

3.         when open your windows media player. 

  

Oprating System

                      Operating System:-

Yah system software ka vh bhag hai, jo computer ka sanchalan karta hai eska karya upyogkarta  ke addeshon ko samjhker unke anusar computer de karya karana hota hai. Yah computer aur uske upyogkaarta ke beech samband banata hai.

Sabhi computer chips , wires aadi se bana hota hai aur usse koi ka karane ke liye hume poore aur sahi adesh dene padte hai, ye adesh kisi aisi bhasa me hone chaiye jise computer sake, computer vasstav me keval oprating system ki bhasa sajhta hai. Oprating system hi computer ka superwiser ya manager hai esliye hum apne adesh apne bhasa me kam shabdo me operating system ki dete hai, yadi humare aur computer ke beech me oprating system na ho to hum coputer se koi kam nahi kara sakete hai.

How to connect System

                               Setting Up a System:-

Yah Jan lene ke baad ki computer ke bhibinn bhag kaise kam karte hai. Ab hum ek system ko set karne , arthat Monitor,system unit , keyboard , mouse aur Ups ko lagane ka tarike seekhenge.

Connecting to the System Unit:-

Bhibinn upkarno jaise – Monitor, keyboard, mouse, printer, speaker aadi KO system unit se jodne ke liye nimnlikhit tarike hai.

1.       Keyboard me ek rounded plug hoti hai esme 5 chote pins lage hote hai. Ese tower (A) me lagaye.

2.       Mouse ke plug ko tower ya system unit ke peeche (B) me lagaya jata hai.

3.       Monitor me do plug cables hote hai enme se ek cable, tower (C) ke sath joda jata hai.

4.       Printer ka plug, tower (E) me joda jata hai.

5.       Speakers KO tower (E) me joda jata hai.

Connecting the Electrical Wires:-

Monitor tatha System Unit ke taron KO es prakar jode:-

1.       System Unit ya Tower KO outlet (F) ke sath joda jata hai.

2.       Monitor me do cables rahte hai enme se ek taar bijali KO monitor tak le jata hai. Monitor KO outlet (G) ke sath joda jata hai.

3.       Printer ke plug ko bijali ki aapurti (H) se jodna chaiye.

4.       Speaker tak bijali ki aapurti karne wala plug outlet (I) se joda Jana chaiye.

  

About Super Computer

SUPER COMPUTER

Super computer are almost the fastest machines in terms of processing speed and use multiprocessing techniques. They use numbers of processor at a time in parallel to make it faster. They perform massive data processing. They have a speed of 20000 million arithmetic operations per second. They are used mainly for weather processing, remote sensing, weapons research and development, seismology, image processing, bio-medical application, atomic and nuclear physics. Some features of Super Computer.

(1)   Processing between 400-10000 MIPS.

(2)    Multi processing in parallel work simultaneously giving maximum efficiency.

(3)   Storage capacity up to 100 GB and more.

(4)     To max the number of floating point instructions per second.

(5)    Limited used and very high cost.