ALAN TURING'S 100TH BIRTHDAY : GOOGLE DOODLES A TURING MACHINE‎

More information about:Alan Turing

Alan Turing was born on 23 June, 1912, in London. His father was in the Indian Civil Service and Turing's parents lived in India until his father's retirement in 1926. Turing and his brother stayed with friends and relatives in England. Turing studied mathematics at Cambridge University, and subsequently taught there, working in the burgeoning world of quantum mechanics. It was at Cambridge that he developed the proof which states that automatic computation cannot solve all mathematical problems. This concept, also known as the Turing machine, is considered the basis for the modern theory of computation.

In 1936, Turing went to Princeton University in America, returning to England in 1938. He began to work secretly part-time for the British cryptanalytic department, the Government Code and Cypher School. On the outbreak of war he took up full-time work at its headquarters, Bletchley Park.

Here he played a vital role in deciphering the messages encrypted by the German Enigma machine, which provided vital intelligence for the Allies. He took the lead in a team that designed a machine known as a bombe that successfully decoded German messages. He became a well-known and rather eccentric figure at Bletchley.

After the war, Turing turned his thoughts to the development of a machine that would logically process information. He worked first for the National Physical Laboratory (1945-1948). His plans were dismissed by his colleagues and the lab lost out on being the first to design a digital computer. It is thought that Turing's blueprint would have secured them the honour, as his machine was capable of computation speeds higher than the others. In 1949, he went to Manchester University where he directed the computing laboratory and developed a body of work that helped to form the basis for the field of artificial intelligence. In 1951 he was elected a fellow of the Royal Society.

In 1952, Turing was arrested and tried for homosexuality, then a criminal offence. To avoid prison, he accepted injections of oestrogen for a year, which were intended to neutralise his libido. In that era, homosexuals were considered a security risk as they were open to blackmail. Turing's security clearance was withdrawn, meaning he could no longer work for GCHQ, the post-war successor to Bletchley Park.

He committed suicide on 7 June, 1954.

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WHAT IS NEW IN MICROSOFT SURFACE?

Yesterday, Microsoft unveiled a Surface tablet computer. The goal of this tablet is to take on Apple’s iPad, which is currently market leader in tablet computers segment. Steve Ballmer, CEO of Microsoft, described the iPad challenger as a tablet that “works and plays” when he showed it off at a press event in Los Angeles. A tablet demo video is available online at microsoft.com/surface/.Microsoft Surface runs on Windows RT software tailored for ARM mobile device chips measured 9.3 millimeters thick and weighed 676 grams. It has a 10.6-inch (26.9 centimeter) high-definition screen and will be available with 32 or 64 gigabytes of memory. However, the Surface which is powered by Windows 8 Pro software, is around 13.5 millimeters thick, weighs 903 grams and will be available with 64 or 128 gigabytes of memory.

Microsoft has described it as

“A tablet that’s a unique expression of entertainment and creativity. A tablet that works and plays the way you want. A new type of computing. Surface.”

How Microsoft Surface looks like?

Salient Features of Microsoft Surface ::

Always on the go :: Surface is thin, light and it has a great battery. At 9.3mm, Surfacefor Windows RT is just thin enough to still sport a full sized USB port. Print, share, or charge your phone on the go.2 Head out knowing that you are ready for anything.

Hands off entertainment :: Surface has a 10.6″, 16:9 widescreen HD Display. Microsoft’s ClearType HD Display technology delivers a great picture for movies. An ultra-wide viewing angle makes it easy for your friends to share in the vibrant experience. The auto-adjusting screen intensity delivers great visual clarity, indoors and out. The addition of the Micro SD card slot means you can bring your entire movie and music collection with you on vacation.

Type with ease and get stuff done :: Some activities call for a keyboard. Surface comes with an integrated Kickstand and a revolutionary, 3mm thin, pressure sensitive cover that doubles as a fully functioning keyboard and trackpad. Your Touch Cover connects to your Surface with a single magnetic click. Now you can chat with friends and respond to emails comfortably.

Capture life from all sides :: Surface has not just one, but two cameras. Use the front LifeCam to chat with the people that you care about. The rear-facing LifeCam is angled to 22 degrees so you can flip out the Kickstand and record meetings and events hands-free. Stereo speakers and dual microphones tuned for Skype help you sound like you are right next door.

Protect what matters :: Surface was designed to be your go-to-device. It comes with a precision crafted VaporMg casing that protects the vital technology inside and leaves a high quality finish and feel.

Express yourself :: Touch Cover comes in five vibrant colors. Type Cover offers classic typing experience for those who prefer a more traditional keyboard. Pick the one that best meets your needs and represents your sense of style.

Microsoft Surface Video ::

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SAMSUNG LAUNCHES DUAL-SIM GALAXY ACE DUOS

Korean mobile giant, Samsung has launched the dual-SIM Galaxy smart phone, Galaxy Ace Duos. It is the upgraded version of the Galaxy Ace. It is available in India at a price of Rs. 15,090. Like its predecessor, the new Galaxy Ace Duos runs on Android 2.3 with Samsung’s TouchWiz UI interface on top. It has a nice 5 Mega Pixel auto focus rear camera. It also features a 3.5-inch TFT touch screen display with a 320×480 pixel resolution. The device is powered by an 832 MHz processor and has 512MB RAM with 3GB internal memory, expandable up to 32GB via microSD card. The smartphone supports GSM networks on both SIM cards.

The Smart dual-SIM feature automatically forwards incoming calls to SIM 2, even if the person is on a call with SIM 1. The device also comes with a standard 1300mAh battery. Other features include FM Radio, 3G, Wi-Fi and Bluetooth 3.0.

Building on the success of the popular GALAXY Ace, the GALAXY AceDUOS combines a premium design, high-performance features, and rich smart experience with a Dual SIM support system, allowing users to manage their work and personal lives with one smartphone. Users can also use the device to carry two SIM cards with different billing plans, switching when convenient or cost-appropriate.

“With Dual SIM convenience, enhanced connectivity, and performance features, the GALAXY Ace Duos delivers a sleek design and incredible features intended to provide consumers with a smartphone that meets their hidden needs.” said JK Shin President and Head of IT & Mobile Communications Division at Samsung. “We continue to listen to our customers and lead them to a life extraordinary by expanding our GALAXY smart device range, which continues to gain traction as one of the most recognized and popular mobile brands in the world.”

The GALAXY Ace DUOS’s Dual SIM system maximizes communication flexibility by allowing users to manage two separate phone numberson one smartphone. Samsung’s unique ‘Dual SIM always on’ feature automatically forwards calls from the phone number on SIM 2, even if a user is on the phone with SIM 1’s number. This ensures that a user can always manage their work and personal lives and never miss a call.

The GALAXY Ace DUOS builds on the GALAXY Ace’s style heritage. Sleek, compact, and ultra-modern, this is a device that complements the style. It encases a 3.5’’ touch screen that lets users view messages, multimedia, and Web content and scores high on performance. HSDPA 7.2 connectivity delivers enhanced browsing performance and fast content downloads with minimal lag-times, so users can balance personal and professional tasks with ease. Additionally, users can take advantage of the integrated 5MP camera to take and share stunning photos and videos. 

In addition to its power and connectivity features, the GALAXY AceDUOS delivers the rich, intuitive smartphone experience that users have come to expect from GALAXY devices. Samsung’s Touchwiz user interface lets users navigate the phone easily and fluidly. A 3GB of storage ensures users can comfortably store videos, music, and images on the go. And ChatON, Samsung’s communication service that connects users on any phone platform into a single community, ensures users are always connected with the content and contacts that matter.

Samsung GALAXY Ace DUOS Product Specifications ::

Network 

HSDPA 7.2 Mbps 900/2100
EDGE/GPRS 850/ 900/1800/1900

Display
 3.5” HVGA (320×480) TFT-LCD

OS
 Android 2.3 (Gingerbread)

Processor
 832MHz Processor

Camera
 Main(Rear): 5 Mega pixel Auto Focus camera
- Single Shot, Smile Shot, Panorama Shot

Video

Codec: MPEG4/H263/H264/VC-1
Format: 3gp(mp4), WMV (asf), MKV, FLV
VGA Video Player & Recorder (640 x 480) @ 30fps

Audio

Codec: MP3/AAC/AAC?/eAAC?/OGG/WMA/AMR-NB/
              AMR-WB/WAV/MID/AC3/IMY/FLAC/XMF eACC?
Music player with SoundAlive
FM Radio and RDS
3.5mm Ear Jack & Speaker

Additional Features

• Samsung Touchwiz UX
• Samsung ChatON mobile communication service
• Samsung Social Hub
  - Integrates all SNS, email, and calendar accounts
  - Integrated Calendar (Google/MS Outlook)
• Skype
• Document Viewer
• Multi-touch zoom-in & out
• A-GPS

Google™ Mobile Services

Google Search, Google Maps, Gmail, Google Latitude
Google Play Store, Google Plus, YouTube, Google Talk,
Google Places, Google Navigation, Google Downloads

Connectivity

WiFi 802.11 (b/g/n)
USB 2.0
Bluetooth technology v 3.0

Sensor

Accelerometer, Digital Compass

Memory

3GB User memory ? 512MB (RAM) ? microSD slot (up to 32GB)

Dimension
 112.74 x 61.5 x 11.5 mm, 122g

Battery
 1,300 mAh
Talk time : 2G/ 1,000 minutes, 3G/ 390 minutes
Standby : 2G/ 520 hours, 3G/ 410 hours

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7 ALTERNATIVES TO AIRTIME VIDEO CHAT

1. Airtime
 






For all of its improvements in randomized video chat, Airtime's dedication to protecting minors from X-rated content has to be its crown jewel.That, coupled with its Facebook connectivity, gives Airtime an air of legitimacy that many other services don't have.Like Google+, it also has YouTube sharing capability. Airtime uses your Facebook data to connect you with like-minded strangers, or even friends of friends, though for now, it's relatively limited to industry insiders.


2.Skype
 


Ever a classic, Skype is among the reliable, go-to platforms for voice, video and instant messaging. However, unlike most of these other services, Skype requires software installation to your computer.Chatting on Skype is limited to people you know and have added to your contacts. You can use Skype to call phones as well as screen names, send files and screenshare, a great feature for coworkers collaborating remotely. Group video chat is only available with Skype Premium.


3.Google+
 
Hangout, Google's video chat service, has a leg-up on Skype — it runs straight through your browser, so you can use it on any webcam-enabled computer, no software installation necessary.Use Hangouts to watch YouTube videos, screenshare or edit shared Google Docs with up to 10 friends. Plus, thanks to Google+'s video effects, you can do it all while wearing a top hat and a monocle. Cheerio, chap!


4.Facebook
 


Video chat on Facebook is about as basic as it gets — no screensharing, no group video chat, no YouTube compatibility.And while the service—which is the product of a partnership with Skype—does have the major advantage of connecting you with what's likely your most thorough contact list, several of the other clients are roping in your Facebook friends, too.The social giant might soon feel the pressure to add more functions if it wants to keep users hooked to the video chat service.


5.Omegle
 


Unlike most free, anonymous video chat services, Omegle has managed to maintain steady momentum since it was created in March 2009.The site pairs you with a random stranger in your choice of text, audio or video chat format. Manually input your interests to slim down the pickin's, or give Omegle permission to use your Facebook Likes to find folks with similar tastes. Omegle's spy mode sets them apart from the pack; you can ask two strangers a question and watch them discuss it, or opt to discuss a question yourself.


6.Chatroulette
 


When Chatroulette exploded in early 2010, it became the golden standard for anonymous video chatting. Okay, that's a little generous. But for a site initially run from a 17-year-old's bedroom in Moscow, it was certainly a sensation.The site is still running strong today, with roughly twice as many users online than Omegle. Keep in mind that, unlike Airtime, this voyeur hotspot doesn't use an algorithm to detect X-rated content.


 


Tinychat is a video chat platform that introduces users to strangers with common interests.The service requires that you create an account or login with Facebook. Once a member, you can browse the directory of chats in categories like comedy, music and gaming.To be fair, though, the site's most popular chat rooms are teeenzon3, t33nheaven and teennlife. Going to go ahead and stamp this one with a big, fat NSFW.




8. ooVooooVoo
 


 boasts power in numbers — this chat service lets you video chat with up to 12 friends. You can run ooVoo through Facebook, the web, or download the software to your computer or mobile device.It's essentially Skype, with the added options to record a video call and send pre-recorded video messages.If screensharing is your jam, go for Google+ or Skype; it's available on Oovoo, but only for a premium.

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GET AN UPDATED ARIAL IMAGES OF YOUR HOUSE THROUGH AN EMAIL ALERTS

If you are inside Google Earth or switch to the Satellite View in Google Maps, you can see aerial images of your home and most other places of our planet.

These images are updated every few years (or months depending on the area) and Google, in the long term, is very likely to switch to high-resolution imagery for most countries and regions. Now that Apple has joined the Maps business, providing high-quality imagery will be an even higher priority item for Google.

Email Alerts for Google Maps & Earth

If you would like to know when Google Maps (and Google Earth) is updated with new satellite and aerial images of your area, or any other point of interest, they have built a new alert system called Follow Your World that should keep you in the loop.

To get started, sign-in using your Google Account and mark one or more areas of interest. You can do so by either clicking the points in Google Maps or enter thelatitude and longitude manually.

That’s it. Google will monitor these locations and will send you email alerts as soon as updated satellite and aerial imagery data is available for these areas in Google Maps and Google Earth.

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HOW-TO PING IP ADDRESS AND CHECK DNS SETTINGS

In this video tutorial you will see how to test TCP IP connection by using the ping command. Ping is the most important troubleshooting command and it checks the connectivity with the other computers. For example your system’s IP address is 10.10.10.10 and your network servers’ IP address is 10.10.10.1 and you can check the connectivity with the server by using the Ping command. 

DNS Domain Name Service, is how your computer turns an address like Google.com into an IP address it can use to connect to Google’s servers. Your Internet Service Provider (ISP) sends your router a list of DNS servers using DHCP when your modem connects to the Internet. Then your router forwards that list of DNS servers to each computer on your network, again using DHCP. We will also see how to check DNS settings.

Video Transcribed

Hi in this session, we will see how to test TCP IP connection by using the ping command.  So to test TCP IP connectivity by using the ping command, use the display of ipconfigcommand to ensure that your network command is not in media disconnected state.

So let us open command prompt and then issue this command.

To open command prompt: go click Start, go to All Programs, Accessories, and clickCommand Prompt.  Go to the root directory and then issue the command, “ipconfig” and hit enter.  You can see that IP address of my machine is 10.0.0.12 and the default gateway for my machine is 10.0.0.1.

So now let us ping the default gateway and see if we are able to read it.  To ping the gateway, write command, “ping 10.0.01” and then hit enter.  If you get reply from the IP address you’re trying to ping then you’ll surely be able to reach it.  You can also have a look at Ping Statistics for 10.0.0.1 wherein you have sent 4 packets and you have also received 4 packets.

There was absolutely 0% loss in reaching this default gateway.  There could be a possibility that your machine is not hooked on the network.  In such cases, your media adapter where it shows as media disconnected in here.  Let me unhook this machine from the network.  I just disabled the machine from the network.  I got a pop-up over here that my network cable is unplugged.

Now let me issue the same command, “ipconfig.”  See, now it says that “Media disconnected.”  Let me put it on the network, the machine is on and trying to see.  Now it is connected to my local area network.  Let me give the command again and I can see it is now connected.  Now let me try pinging Google from this machine.  So to ping Google, I issue the command, “ping www.google.com” and I’ll hit enter.  I can see that probably it is trying to ping Google but not able to read.  We’ll give some time for the machine to try and read Google.  See, it has given up and it has not been able to read Google.  What could be the reason for that?  Let us go into the network properties of this machine.

To go to network properties: click Start, go to Control Panel, open Network and Internet Connections, and then click Network Connections.  You will see the local area connection.  Right click it, go to its properties, highlight Internet Protocol (TCP/IP) and click properties.  You will see that there is a DNS server given over here, 10.0.0.10.

So whenever you try ping, say “www.google.com”, this DNS server in here will try to resolve this name to the IP address and then forward all the data packets to that IP address.  I suspect that this DNS server is not reachable from this machine.  Let try pinging this DNS server.  I’ll say “ping 10.0.0.10”, I’ll hit enter.  See, I am correct probably.

If it says, “Request timed out” which means I am not able to reach this DNS server.  So what do I do now?  I need to give an alternate DNS server which is probably up and running on my network.  I know there is another one and I’ll ping in 10.0.0.1 which is another DNS server on my network.  I’ll say “okay” and say “close.”  I can also go and see the settings from ipconfig/all and it will tell me that “okay my IP address is this…” and in DNS servers, I now have now two DNS servers in here and successfully able to ping 10.0.0.1.

So now let us try to ping Google back again and see what happens.  See, the alternate DNS address is able to translate this name into the IP address of Google.  So this is the IP address of Google, 74.125.236.84 and my data packet from this machine is able to go and ping Google.  So it is very important, even if your machine is on network and you’re trying to reach some websites and not able to reach.  The reason could be that the DNS server in between might not be accessible.  You should be having the right configuration of DNS server.  To test that, go ping the DNS servers which are listed in your ipconfig/all and see if your machine is able to reach then.

That’s pretty much it in this segment session.  You are now successfully able to know how to ping a machine and how to check if correct, maybe a resolution is happening.  If not, you can go and specify the DNS servers which are up and running and reachable from your machine.  Thanks for watching.

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