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WHAT IS SCANNER AND DIFFERENT TYPES OF SCANNER? Scanner is device use to scan document and images and convert it into digital format. Types of scanners: 1.Flatbed scanner 2.Sheet-fed scanner 3.Handheld scanner 4.Drum scanner Flatbed scanners are desktop scanners. Parts of flatbed scanner: 1.Charge coupled device (CCD) array 2.Mirrors 3.Scan head 4.Lens 5.Filters 6.Interface ports 7.Control circuitry The core component of scanner is CCD array.CCD is technology for image capture in scanners. CCD is collection of tiny light sensitive diodes,which converts light into electric charge. The image of document that we scan reaches the CCD array through a series of mirrors,filters and lenses. Sheet-fed scanners are similar to flatbed scanners except that the document is moved and the scan head is immobile. Handheld scanners use same basic technology as a flatbed scanner,but depends on the user to move them. This type of scanner does not provide good image quality. Drum scanners are...

                      TYPES OF RAM RAM is use in our computers and mobile phones. It is RANDOM ACCESS MEMORY use for storing current running programsor apps or data currently working on. RAM has two types 1.SRAM 2.DRAM SRAM is static ram and DRAM is dyanamic ram. Once data is stored in SRAM it is remain until power applied to it but in case of DRAM data lost over time so we have to refresh the data. SRAM is more faster than DRAM. Also SRAM consume less power than DRAM. Both SRAM and DRAM is made up of transistors.SRAM has more transistor than DRAM. SRAM is expensive than DRAM. DRAM is use in main memory while  SRAM is use in cache memory which is the fastest memory. Due to low cost DRAM is use in main stream memory and SRAM is use when required to construct high speed device.                                      ...

  WHAT IS FIBER OPTICS? EXPLAIN | HOW OPTICAL  FIBRE WORK?  IT'S ADVANTAGES AND   DISADVANTAGES Do you know how fastly data is transfer from one place to another? We use optical fiber for it. Optical fiber is a thin glass or plastic cable.It is as thin as our hair. It transfer lots of data at high speed.It uses worlds fastest thing light to transfer data. If we incident light on glass it is either reflected or refracted. If we incident light at particular critical angle it will totally reflected is called total internal reflection.We use this total internal reflection phenomenon in fiber optics. Fiber optics has two types single and multi mode fiber. In single mode only single signal is pass at time for long distance. In multi mode many signal can pass to short distance. Optical fiber is made of two parts inner core and outer cladding.Core has refractive index more than the cladding.Light passes through the core in fiber optics by phenomenon of total internal...

        JIO PRIME SUMMER SURPRISE OFFER 1.Jio has Extend the date of joining prime member ship to 15 april. 2.72 million jio users take jio prime offer. 3.If you recharge Rs 303 with prime membership you will get Free offer for april,may and june 3 months your Rs 303 plan will start from 1 july.                                   For more information watch the video                      

                    3 Ways to EARN Online Today I am gonna tell you best ways to earn money online These are real money earnings ways and no chance of fraud in it and some of them required zero investment. So let's get started. 1.First earnings is through website or blog.Now you don't required any programming knowledge to make website. There are many sites like WordPress and Wix that help in making sites.You can make just basic site within 10 minutes. You need to buy website domain and hosting for the website.But if you don't want to spend money you can use Google blog it is free and you can earn same like website using Adsense. Blogging is simple and easy. 2.Second is YouTube on which you are watching videos.Youtube is best platform to earn from your passion.You can select any niche you are interested and make channel on it. YouTube is also free.You don't need to spend money. For earning to you should be consistent,use good thum...

    HOW HACKERS HACK SOCIAL MEDIA ACCOUNTS Facebook and twitter have best programers in the world. But we heard that big politicians,businessman and celebrities accounts got hacked. Then How hackers hack facebook,twitter,instagram and social media platforms. Hackers can't easily hack anyones social media account just by knowing his name. Hacking generally has types first real hacking done by computer experts and other social enginnering. Most of them uses social enginnering.Social enginnering means tricks to get password from us. We our self gives our password in many cases. Hackers send you message or notification such as you win this or Know how long you live. This words attract us so we click on it then it takes us to fake webpage create by hackers look similar to social media login page of facebook,twitter or instagram.When we login through this webpage hackers get our complete login details. Sometimes we get link to some website where we need to login. N...

                TOP 10 SELL PHONES TILL NOW 10.Motorola Razr is a best selling phone from motorola.It was released in market in 2004. Bescause of striking appearance it is marketed as fashion phone. Till now its 130 million units has been sold. 9.Nokia 2600 is phone by Nokia.It was to relesed in 2004. Phone has colored display,games and desktop tools. Till now its 135 million units has been sold. 8.Samsung E1100 is featured phone released by samsung in june 2009. It is budget phone. Till now its 150 million units has been sold. 7.Nokia 5230 is smartphone manufactured by nokia. It runs on symbian OS.It was released in november 2009.It is 3g phone. Till now its more than 150 million units has been sold. 6.Nokia 6600 is a smartphone released 2003 by Nokia. When it is released it is high end phone by Nokia.It classic business series phone. Till now its more than 150 million units has been sold. 5.Nokia 1200 is GSM phone by Nokia launche...

                     Youtube Tricks You Should Know This youtube tricks will help you very much in daily youtube use. To go to particular position in video. You should click on navigation bar slide upto time of video you want to go. If want to go forward in video. Click on right side 2 times to go 10 second forward. Click on right side 3 times to go 20 second forward. Similarly how much time on right hand side video skip in forward direction. If want to go backward in video. Click on left side 2 times to go 10 second backward. Click on left side 3 times to go 20 second backward. Similarly how much time on left hand side video skip in backward direction. If want to see related videos. Slide from bottom to up so you can see related videos. If want to see next suggested videos by uploader or more information on video . Click on info button.                      ...

           How to fix or unbricked any dead android device                                       Today am showing how to fix device when device is  completely dead nothing is there in device no recovery, no boot loader,  device not power no, not  accept charging. This is happened because of flashing wrong rom or firmware. This is very easy method . 1. first open your smartphone. 2. Re-insert your battery. 3. Then find the test pins in your smartphone. 4. Connect two point with copper wire. 5. Simultaneously connect the usb cable to your pc. 6. Then your device is detected. 7. After detecting device flash the fastboot rom to the smartphone. Download links for redmi 2 Mi flash and fastboot rom: http://en.miui.com/a-234.html                              For more i...

             Hacking slide,mcent,true balance,earn talktime are                                                       real? Can we really hack mcent,truebalance,slide,earntalktime and many similar apps. True balance,mcent,slide,earn talktime this are talktime and money earning apps. This give us little money after downloading apps or watching news and videos these apps are showing. But you get plenty of videos or information on hacking this apps.     You have questions that can we really hack this apps or not? There are two most popular methods they use to show you that they can hack.First using Cheat Droid pro and second using ES File Explorer app. They both use to change the coding of apps like Truebalance,mcent,slide and earntalktime. In this hacking videos they change amount you earn may be...

                                      TECH INFO #5 Apple beats Samsung to become the world's No. 1 smartphone company. Apple reclaimed the throne as the world's top smartphone seller for the first time in five years  Google, Netflix, Twitter unite to challenge US President Donald Trump against "Muslim ban", the order bars citizens of seven Muslim-majority countries from entering the US for a period of 90 days.  Scientist developed sofware to recognize the handwritten signiture.So in future we may see smartwatches to verify our signiture. Moon Express, the first American private space exploration firm to have been granted government permission to travel beyond Earth's orbit, has just raised another $20 million to finance its trip to the moon, scheduled for the end of the year. Uber Technologies Inc has signed deal with Daimler. Daimler plans to incorporate its self-d...

                                       Tech Info #4 Open markets and global trade have been blamed for job losses over the last decade, but global CEOs say the real culprits are increasingly machines. at the annual World Economic Forum (WEF) Now that Asus has launched its Zenfone 3 line-up, rumours hat Asus Zenfone 4 smartphone series may launch in May this year.Now Apple files $1 billion lawsuit against Qualcomm Apple accused Qualcomm of overcharging for chips Samsung decided to use just one heat pipe in Samsung Galaxy S8, as is the case with Galaxy S7. Another feature that is expected to arrive in the Galaxy S8 is a new digital assistant named Bixby. NASA's Cassini mission was launched in 2004 and it captured some amazing pictures of the Saturnian system. Now, the spacecraft has snapped Saturn's wavemaker moon. This is one of the closest image of the moon taken so far in vi...

            USB device not recognized on windows fixed We get problem of device or mobile not recognize on windows pc.Today we gona see how to fix the device not recognized in windows pc. First connect your Android or any device to our computer.After connecting as you see nothing is happened.Device is not appear. So then right click on the windows logo or start button in the left corner of home page of computer and click on Device Manager. After clicking you can see device name you connect(name of android phone or device name). Right click on device and goto Driver and select update driver.Then select Brows my computer then select the Device connected and click on next. Then select MTP USB Device and click on next. After clicking driver will install. After installation you can see your device is recognized now you can transfer files between computer and device and do other work.  Watch the video for more INFORMATION.   ...

                                      Tech Info#3 Samsung Gear S3 smartwatch to launch in India on January 10 After announcing the Galaxy Gear S3 smartwatch at IFA 2016 in Berlin last year, Samsung is all set to bring the Tizen OS-based smartwatch to India. The company has sent out media invites for the launch event on January 10 in New Delhi. Road Ministry to launch two apps for safety The Ministry of Road Transport and Highways is planning to soon launch two mobile apps m-Parivahan and e-challan which would not only give a push to road safety but also facilitate citizen interactions. m-Parivahan is a citizen centric app which would offer the facility of searching and establishing the genuineness of a vehicle and driver. e-challan is an enforcement app which will be utilised by traffic police as well as transport authorities. Nvidia offered a bold new strategy at this week's...

                                      Tech Info#2 RJio, Tata Tele Services oppose Airtel and Vodafone's plea on IUC rules IUC is Interconnection usage charges  or termination charges are payable by one telco, whose subscriber makes a call, to another whose subscriber receives the call. The charge is payable by the first for using the second's network. The Asus ZenBook 3 Deluxe is a big-screen hit at CES 2017 Asus announced an update to the ZenBook line with the ZenBook 3 Deluxe. It's a super-thin 13-inch laptop with a 14-inch screen. ISRO to launch 103 satellites in February and make record. The space agency had earlier planned a launch of 83 satellites in the last week of January but now launching 103 satellites in first week of february. Apple iPhone 6 is available on Flipkart for Rs 9,999. The iPhone 6 actually retails for Rs 31,990 but on Flipkart you can buy the phon...

                   Get sonic game for free on android   Waiting for sonic game for free you can get it know. It is no hack. Sonic is one of the most popular games from some years this is the way to get it for free. 1.You should be an airtel user. 2.Download my airtel app from playstore. 3.Open the app. 4.Click on left hand side icon on app 5.Click on setting. 6.Click on airtel app create shortcut now shortcut is created on homescreen. 7.Open shortcut and click on game icon. 8.Wynk game app is downloading now after downloading install it. 9.Open the Wynk game app search for sonic game. 10.Download and enjoy the game. You can get many game for free on this app. This is how you can get game for free. Watch video for more information.