Tablet Computing

A Tablet computer or a tablet is simply a mobile computer, with a flat touch screen and virtual keyboard as in our androids or iphones, one can do a lot more in tablet than in a computer, it has wifi, bluetooth and USB support as in your computer, a tablet design was given first by Alan Kay in 1968, the first tablet came in to market in the year 1989 manufactured by well known Samsung for GRiDPad Systems Corporation, well it is successful that is even used by the US Army, the specs are as follows : 

It measured 9x12x1.4 inches and 4.5 pounds, it had a stylus pen with which you can calibrate touch and it also had hand writing recognition, it contains : 

10Mhz 80C86 processors

MS-DOS operating system by IBM

Color Graphics Adaptor with display of 600x400 pixels

256 or 512 KB RAM

1 or 2 MB of System memory

I would say that's a good configuration of that time, well the memory is somewhat low, but they did it first.

The GRiDPad.

A tablet is just a hardware equipment that which can run with the help of different Operating Systems.

After GRiDPad, the ACORN computers developed an ARM machine with a touchpad and named it NewsPad, after them INTEL developed a stable tablet with the help of ARM in 1999 and named it WebPAD.

In April 2010, the well known Apple, released the IPad, having IOS on board, the great thing about IPad is it's design, it's so sleek and Steve Jobs is man who always considered the design and reliability also thanks to Jonathan Ive the designer of Apple's products. Also Apple released the IPad2 which is 15% lighter when compared to the first and has a dual core processor of Apple A5.

The features of IPad are as follows : 

Released April 2010

OS             : IOS 5.1

Chipset      : Apple A4

CPU           : 1 Ghz ARM Cortex A-8

Memory     : 256 MB RAM, 16/32/64 GB internal memory

Resolution : 9.7 Inch display with 768x1024 pixels and 132 ppi

Camera     : No

GPS            : Yes (Assisted-GPS)

Wifi           : yes

Bluetooth  : Version 2.1

USB           : 2.0

Status       : Discontinued

The features of the IPad2 are as follows : 

Released March 2011

OS             : IOS 5.1

Chipset      : Apple A5

CPU           : 1 Ghz Dual Core

Memory     : 512 MB RAM with 16/32/64 GB Internal Memory

Resolution : 9.7 Inch display with 1024x768 pixels and132 ppi

Camera      : 1MP with 720P recording, front 0.3MP

GPS            : Yes (Assisted-GPS)

Speakers    : mono

Wifi           : yes

Bluetooth  : version 2.1

USB           : 2.0

Status       : Available

IPad (3rd Generation)Released March 2012

OS             : IOS 5.1

Chipset     : Apple A5x with quad core graphics processor and ARM Cortex A-9

Memory     : I GB RAM with 16/32/64 GB Internal Memory

Resolution : 9.7 Inch display with 2048x1536 pixels and 264 ppi

Camera      : 5MP with 1080P recording, front 0.3MP

Cellular nw : yes

GPS            : Yes (Assisted-GPS) with GLONASS

Speakers    : stereo

Wifi           : yes

Bluetooth  : version 4.0

USB           : 2.0

Status : Discontinued

IPad (4th generation)

Released October 2012

OS             : IOS 6.0

Chipset     : Apple A6x with 1.4Ghz with Apple Swift

Memory     : I GB RAM with 16/32/64 GB Internal Memory

Resolution : 9.7 Inch display with 2048x1536 pixels and 264 ppi

Camera      : 5MP with 1080P recording, front 1.2MP

Cellular nw : yes

GPS            : Yes (Assisted-GPS) with GLONASS

Speakers    : stereo

Wifi           : yes

Bluetooth  : version 4.0

USB           : 2.0

Status : Available

IPad Mini

Released October 2012

OS             : IOS 6.0

Chipset     : Apple A5 with 1.4Ghz dual core ARM Cortex A-9

Memory     : 512 MB RAM with 16/32/64 GB Internal Memory

Resolution : 7.9 Inch display with 1024x768 pixels and 163 ppi

Camera      : 5MP with 1080P recording, front 1.2MP

Cellular nw : yes

GPS            : Yes (Assisted-GPS) with GLONASS

Speakers    : stereo

Wifi           : yes

Bluetooth  : version 4.0

USB           : 2.0

Status : Available

However the configuration is not so good, the camera doesn't have flash, many things are forgotten in this IPad

The tablets are soon released with many operating systems like IOS, Android, LINUX, BlackBerry RIM (Research In Motion) and so on.

But nothing made sales like IPad, Soon Samsung which entered the Android market then developed the tab called Samsung Galaxy Tab, both Galaxy Tab and IPad fought.

Samsung Galaxy Tab

Introduced on 2nd September 2010

Released on November 2010 in INDIA

OS             : Android 2.2 (Froyo), Upgradable to (Android 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7)

Chipset     : Cortex-A8 Samsung Exynos (code named Hummingbird)

Memory     : 1 GHz RAM with 2GB internal memory 16/32 GB Extendable Memory with MicroSD flash card

Resolution : 7.9 Inch display with 1024x600 pixels and 170 ppi

Camera      : 3.2MP with 1080P recording, front 1.3MP

Cellular nw : yes

GPS            : Yes (Assisted-GPS) with GLONASS

Speakers    : stereo

Wifi           : Yes, 5Ghz

Bluetooth  : version 3.0

USB           : 2.0

Status : Available

However Android is very flexible and Android is very greatly upgradable.

Amazon Kindle Fire introduced by Amazon.com on September 2011

OS             : Android 2.3

Chipset     : TI OMAP 4430

Memory     : 512 MB RAM with 8 GB Internal Memory

Resolution : 7 Inch display with 1024x600 pixels and 170 ppi

Camera      : No

Cellular nw : yes

GPS            : No

Speakers    : stereo

Wifi           : yes

Bluetooth  : No

USB           : 2.0

Status : Available

Among the tablets available in the tablet market in 2012, the first place is occupied by Apple IPad having sold 100 million sold by mid october 2012 followed by Amazon Kindle Fire with 7 million sales and followed by Barnes & Noble's Nook with 5 million sales

Reliance Tab available in INDIA is economical which is available at a price of nearly 12,000.

Samsung Galaxy Tab is available at a price of nearly 29,000

Having a tablet is most advantageous than compared to an Android or Laptop, it is portable, flexible and more to come.

I would prefer to buy a Samsung Galaxy Tab if I want Android flexibility and Application reliability, I would prefer IPad if I want to go with design, quality of pictures, pixel density, media, however applications are more in android than in IOS, but IOS is more organized when compared to Android. So users decide what do you want? 

Thank you........

Sensor Music Player

            Ever wondered, that there's a player that can make use of sensors to play music, here's the thing i recently came across this music player, it's just awesome, the name of player is Sensor Music Player, you just have to wave your hand or keep your android in your pocket and slap it or hammer the table while the phone is on it or you can set your own action. Download the player at the Google Play and here is link of the same : 

Sensor Music Player : Sensor Music Player

Click over the symbol beside the equalizer symbol to select different types of sensor actions.

       You can even disable the sensors, or use your custom actions to choose music, the player is also good.

View of the player.

The player also gives the chance to customize the predefined sensor actions as shown above.

Typical view of the equalizer, we can customize the equalizer the way we want or if you like the player as it is, you can switch off the equalizer.

The best thing about this player is that you never have to use your hand to change tracks and UI is good, anyway android is out there so we can the most of it, so why the wait try it right away and see how you feel, thanks to android and it's developers.

Online storage for android

 Many android phones work with internet, so instead of storing files in your computer, online storage is available in  many android softwares like Dropbox, Box, Ubuntu One, Sugarsync, these stored files come in handy when your computer is not available. Thanks to android which made so many things possible. The Details are as follows : 

Dropbox : 

                 Just visit the website www.dropbox.com on your computer and signup on the site or download Dropbox software on your android and install and signup and login, then you will get a free space of 2 GB, you can save photos and videos to your Dropbox account and share it with your friends.

Link for android : Dropbox for android

Link for installing in computer : Dropbox for computer

Box : 

         This is another great software for online storage on android, it allows you to store as much as 50GB, as in dropbox, you can upload files, photos, videos and create files like word documents, spreadsheets etc and store them. You need not create an account, it just needed to be download and it just login with your android gmail account.

Link in Google Play : Download Box for android

Link for installing in computer : Box for computer

Ubuntu One Files : 

              Ubuntu which is a Linux OS, also presented a software to store files on android phones like Dropbox and Box, it also allows to store 5GB of files, Since it comes from the Ubuntu, one can firmly use this. Firstly you should create an account in Ubuntu One online or on windows or on android itself

Link for android : Ubuntu One Files for android

Link for installing in computer : Ubuntu One for Windows

Sugarsync : 

            Sugarsync also provides you a storage of 5GB, it automatically syncs the files in your computer, you can edit any file in your android and it automatically syncs it inwsugarsync, you can share the files in facebook, twitter with your friends as in Box

The great thing with all the above softwares mentioned is you can easily configure the files even from your computer when your android is not available, you just need to install softwares on your computer and sign-in. You can modify the files too. 

Link for android : Sugarsync for android

Link for installing in computer : Sugarsync for windows

SanDisk Memory Zone : 

                 This is a memory management software made by SanDisk, famous external memory disks and drives manufacturing company, the memory management is shown in an organized way, the internal memory, external memory and we can even add online storages like Box, Dropbox and we can even manage memory. Android users should try it.

Link for android : Sandisk Memory Zone for android

Android and it's versions

    We have been using Android devices (smart phones and tablets), it is a Linux based operating system. It is a open source operating system founded by Andy Rubin in 2003 by basing on Linux kernel based platform and then acquired by Google in 2005, Google developed it by ever since. It is a revolutionary operating system, any application developer can contribute software to Google Play Store, like in Linux which has software centre, the Android operating system has a software centre called Play Store. Google verifies most of the softwares, and avoids viruses, Android revolutionized the smart phones, and stood competitor to the Apple IOS, Google also manufactures the smart phones named NEXUS in collaboration with Samsung. All Android operating versions after dessert, having each operating system named in alphabetical order.

The Android versions are as follows : 

Android 1.0

Android 1.1

Android 1.5 is also called CUPCAKE

Android 1.6 is also called DONUT

Android 2.0/2.1 are also called ECLAIR

     consists Android 2.0, Android 2.0.1, Android 2.1

Android 2.2x is also called FROYO

     consists Android 2.2, Android 2.2.1, Android 2.2.2,

     Android 2.2.3

Android 2.3.x is also called Gingerbread
      consists Android 2.3, Android 2.3.3, Android 2.3.4,      
      Android 2.3.5, Android 2.3.6, Android 2.3.7

Android 3.x  also called Honeycomb
      consists Android 3.0, Android 3.1, Android 3.2, 
      Android 3.2.1,  Android 3.2.2, Android 3.2.4, 
      Android 3.2.6 

Android 4.0.x also called Ice Cream Sandwich
      consists Android 4.0.1,  Android 4.0.2, Android 4.0.3, 
      Android 4.0.4,

Android 4.1.x also called Jelly Bean
      consists Android 4.1.1, Android 4.1.2

iPhone 5

 iPhone 5, the wait is over, the world's slimmest phone is back again with new features, the RAM is increased from 512Mb in iPhone 4s to 1Gb, the internal memory comes in 3 modes 16/32/64Gb. Front camera is increased to 1.2MP, comes with iOS 6, unlike the upgradable iPhone 4s, iPhone 5 offers dual band 802.11n WiFi support with wireless range up to 150Mbps, on the other hand it has LTE 4G and DC-HSDPA to ensure faster download and browsing experiences, Apple also stated that it's 8MP camera is 25% smaller that that of iPhone 4s and it offers 720p HD video, the great siri feature is also available in iPhone 5 which is developed by Apple, the phone is developed with a A6 chip developed by Apple, the browser is once again safari developed by Apple, however it again missed the radio and NFC, one can say Apple is a monopoly in iOS distribution, unlike the Android and Windows markets, Apple made a mark however by winning the lawsuit against Samsung, it's competitor, however according to JP Morgan economist Michael Feroli the iPhone 5 sale is expected to bring the increase of quarter and half increase in GDP in US, Apple is expected to release the prices of iPhone as $199 for 16Gb, $299 for 32Gb and $399 for 64Gb.

Specifications : 

2G Network        : GSM 850 / 900 / 1800/1900-GSM A1428

                            CDMA 800 / 1700/1900/2100-CDMA A1429

3G Network        : HSDPA 850 / 900 / 1900/2100-GSM A1428

                            CDMA2000 1xEV-DO - CDMA A1429

4G Network        : LTE 700 MHz Class 17 / 1700 / 2100-GSM               

                            A1428 or LTE 850 / 1800 / 2100-GSM 

                            A1429 LTE 700 / 850 / 1800 / 1900 /2100

                           -CDMA A1429

Announced         : September 2012

Dimensions         : 123.8x58.6x7.6 mm

Weight                : 112 g

Type                   : LED-backlit IPS TFT, capacitive         

                            touchscreen, 16M colors.

Size                    : 640 x 1136 pixels, 4.0 inches (~326 ppi      

                             pixel density)

Multitouch          : Yes

Protection          : Corning Gorilla Glass, oleophobic coating

Sound                 : Vibration, Propriety ringtones

Loudspeaker       : Yes

3.5 mm Jack       : Yes

Card slot             : No

Internal memory : 16/32/64 Gb, 1 Gb RAM

GPRS                   : Yes

EDGE                   : Yes

Speed                  : DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps;

                             DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps;

                             HSUPA, 5.76 Mbps, LTE, 100 Mbps; Rev.A

                             up to 3.1 Mbps

WLAN                  : Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi

                             plus cellular

Bluetooth           : Yes, v4.0 with A2DP

Infrared port      : No

USB                   : v2.0

Primary cam     : 8 MP, 3264x2448 pixels, autofocus, LED

                           flash

Features           : Simultaneous HD video, image recording, 

                           touch focus, geo-tagging, face detection, 

                           panaroma, HDR

Video                : Yes, 1080p@30fps, LED video light, video 

                           stabilization, geo-tagging

secondary cam : Yes, 1.2MP, 720@30fps, video calling over

                          WiFi and 3G/4G

OS                    : iOS 6

Chipset            : Apple A6

Sensors            : Accelerometer, gyro, proximity, compass

Messaging        : iMessage, SMS(threaded view), MMS,Email, 

                          push mail

Browser           : HTML (Safari)

Radio              : No

GPS                : Yes, with A-GPS support and GLONASS

JAVA              : No

Colors            : Black/Slate, White/Silver

                      -nano-SIM card support only

                      -Active noise cancellation with dedicated 

                        dual mics

                     -Siri natural language commands and dictation

                     -iCloud cloud service

                     -Twitter and Facebook integration

                     -TV-out

                     -Maps, iBooks PDF reader

                     -Audio/video player and editor

                     -Image editor, Voice memo/Command dial

Battery         : Standard battery, Li-Po

Stand-by       : Up to 225 h (2G) / Up to 225 h (3G)

Talk time      : Up to 8 h (2G) / Up to 8 h (3G)

Music play     : Up to 40 h

source : GSMarena

A little about Linux

Many of my friends have been asking about how to use Linux, well for programmers you have to learn to use the terminal, which is command prompt in windows, for daily users you don't require to learn it.

             However, Linux is not for daily users, it is for users who want a flexible operating system, Linux is easy to operate once learned, Linux operating system is actually free of cost, it is a Unix like operating system and a free and open source software, Linux is a operating system kernel, kernel is the heart of the operating system, Linus Torvalds released the first one on 5th October of 1991, Linux has a great advantage that it provides greater security when compared to other operating systems, the Linux is available under Ubuntu, Fedora for free, Redhat sells Linux OS to companies, many of the supercomputers of the present day work on Linux, Linux is registered under GNU general public license, which makes it open source, learning Linux is fun and useful, kernel is the bridge between applications and actual data processing done at hardware level, Linux kernel is widely used in the android devices, the mobile phone operating system, all license free packages, softwares are mostly are based on Linux.

               If you want to use a Linux operating system, you can download one at this link Ubuntu desktop OS, the link gives you the Ubuntu Download web page.

About Data Recovery and Data Wiping

i always wanted to write about data recovery and data wiping, so it is here:- 
Have you ever thought of the deleted data, and it's whereabouts actually when you permanently delete some file or data from your computer it is still present on the hard drive or fragments of it, it stays over there until new data overwrites the deleted data, 
So is this deleted recoverable?
Yes Of course, you can recover the data in many ways using many softwares like the one that is available for free cost is 
RECVUVA it is available on FileHippo (click the link to go over there). By the way it is free of cost.


according to 2012 reviews, they are as follows:-


1.) Digital Rescue Premium


2.) Advanced Disk Recovery


3.) Recover My Files


4.) Data Recovery Wizard


5.) Total Recall


6.) Handy Recovery


7.) Windows Data Recovery


8.) R-Studio


9.) Quick Recovery


10.) Stellar Phoenix


also you may wonder "when the deleted files are on my hard drive, there is no privacy for me any more, but the answer is No, you can wipe the deleted data from hard drive too, it's too easy with these softwares
My best suggestion is to use Ccleaner software from FileHippo (click the link to go over there), it is also free of cost.


if you install AVG PC TuneUp 2012, in tools it has disk wiper, which is also effective in erasing your drive's information.


so from all this one can understand deleting data or formatting drives is not just enough to get rid of our data from computers.