April 23

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Podcast Episode

Day in Tech History: April 23


The National Bureau of Standards retires its SEAC (Standards Eastern Automatic Computer), which it built in Washington fifteen years earlier as a laboratory for testing components and systems for setting computer standards. The SEAC was the first computer to use all-diode logic, a technology more reliable than vacuum tubes, and the first stored-program computer completed in the United States. Magnetic tape in the external storage units stored programming information, coded subroutines, numerical data, and output.


Physicists at the Department of Energy’s Fermi National Accelerator Laboratory discovered the subatomic particle called the top quark.


Microsoft releases the Internet Explorer 2.0 web browser for the Macintosh, on systems running System 7.0.1 or higher.


Cott Lang ceases development of Renegade BBS and passes it on to two Renegade BBS utility authors, Patrick Spence and Gary Hall. Renegade is a bulletin board system written in Pascal for IBM PC-compatible computers running MS-DOS. It remained one of the most popular systems on the internet through the mid-nineties.


The Carnegie Mellon University’s Computer Emergency Response Team warns computer users that a new virus called the CIH, also known as Chernobyl or Spacefiller may strike Monday, April 26 and essentially erase data on disk drives and hard drives.


Intel releases the 1.6 GHz Pentium 4 processor. Price is US$294 in quantities of 1000.

Intel releases a 1.7GHz Pentium 4 processor. The 1.7GHz Pentium 4 will sell for $352 when it debuts, with PCs incorporating the chip selling for just less than $1,800, monitor included. Price cuts on 1.3GHz, 1.4GHz and 1.5GHz Pentium 4s slated for the following week will drop the base price of computers using the chip to the $1,000 mark. A little more than a year ago, a 1GHz chip alone cost $1,299. Price: US$352 in quantities of 1000

Yahoo! launches Yahoo! Broadcast.


The Mobile Pentium 4M is released. The processor includes Intel’s SpeedStep and Deeper Sleep technologies, but not Hyper-Threading.


Registration of .pro top level domains (TDL’s) begins, including .cpa.pro, .law.pro, and .med.pro.


Perl 5.8.4 is released.


The first YouTube video is uploaded. "Me at the Zoo" where Yakov Lapitsky talked about the elephants [1]


Microsoft releases Vista SP1

Circuit City’s Financial department tells Blockbuster it cannot finance a purchase like Circuit City.

Comcast backs out of a joint venture possibility with Sprint-Nextel.


Ubuntu 9.04 is released.

T-Mobile announces they have sold 1 million G1 Android phones

Apple announces they officially have served the 1 Billionth Application. Connor Mulcahey downloaded the "Bump" application and in result, would get an iPod Touch, a $10,000 iTunes gift card, Time Capsule and Macbook Pro.

Apple retail stores release 1,600 employees due to economy issues.


Norio Ohga, former president of Sony, passed away


Apple CEO Tim Cook announced they will be initiating a stock buyback. They have $145 billion in cash and take the repurchased shares out of market. This would in turn increase the stockholder's shares.

Twitter begins testing two-factor authentication

Electronic Huawei announced they were "giving up on the US". This comes after years of scrutiny from the US government.

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