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Who unvented the Personal Computer?

Saturday, 17 March, 2007

Who invented the personal computer? And when?

(Originally posted February 2004)

Joe Forman, Melbourne, VIC


The personal computer wasn't invented; it just evolved out of earlier computers.

Digital Equipment Corporation's PDP (Personal Data Processor) minicomputers could reasonably lay claim to be the first computers that were small enough and inexpensive enough to be dedicated to a single scientific researcher or project.

If you're referring to microprocessor-based hobby computers, the first was the SCELBI (SCientific, ELectronic and BIological) from SCELBI Inc, in Connecticut. This was based on the Intel 8008 processor, and appeared in 1974. It was followed by the Titus Mark 8, but the best-known early hobby computer was the Altair 8800, which was the first to use the 8080 processor and established the S-100 bus for plug-in cards. The Altair was described in articles in the January and February 1975 issues of Popular Electronics magazine, which are now collector's items.

Of course, the first to be formally called a PC was the IBM Personal Computer, which was introduced in September 1981.

Les Bell


Reader solutions



NickPosted: 14/05/2008

re: Who unvented the Personal Computer?
People aren■t aware that Dr Mark Dean invented the personal computer for the simple reason he didn■t! Steve Wozniak & Steve Jobs were already selling the Apple I in 1976 & the Apple II in 1977. The Apple II was a personal computer that incorporated programming, color and graphics, sound and paddles. This was the first computer to be used in people's homes instead of big business. Some even argue the personal computer was invented before that in the form of the MOS Technology KIM-1, Datapoint 2200, or more commonly the Altair 8800 manufactured in the early to mid 1970s. However, the Apple was the first personal computer to use a keyboard.

Dr Mark Dean didn■t begin working for IBM until 1980 - 4 YEARS AFTER STEVE WOZNIAK & STEVE JOBS BEGAN SELLING THE APPLE I - so how can he possibly be credited with inventing the personal computer? Other than that the personal computer was a convergence of technologies of the time rather than a new invention. But if you are going to give credit for it■s invention to anyone the most obvious candidate is Steve Wozniak in 1976.

Both Mark Dean & Dennis Moeller DEVELOPED improvements in computer architecture in 1984 that allowed IBM and compatible PCs to use high performance software and to work in tandem with peripheral devices. Their work ENHANCED the PC by enabling components to communicate with each other in a high-speed, efficient manner. Not by any stretch of the imagination can this constitute inventing the Personal Computer!

Nobody is trying to deny African American inventions when such claims are legitimate but it appears a certain group of African Americans are distorting facts in order to claim inventions for fellow African Americans.

As for black kids being victims of the "Digital Divide" and failing school systems, why should knowing an African American invented the personal computer make black kids embrace technology with more enthusiasm? Do other ethnic minorities in the USA, like Indian or Chinese kids, need to be told a person from their race invented something before they embrace it with enthusiasm? No! Perhaps the more obvious answer is black kids need better role models as fathers, or at least fathers who are around sometimes.

Jamie Posted: 21/02/2008

re: Who unvented the Personal Computer?
The person who invented the PC was an African American named Dr. Mark Dean. That is why many are clueless as to who invented the modern day PC.

You may not have heard of Dr. Mark Dean. And you aren't alone. But almost everything in your life has been affected by his work.

See, Dr. Mark Dean is a Ph.D. from Stanford University. He is in the National Hall of Inventors. He has more than 30 patents pending. He is a vice president with IBM. Oh, yeah. And he is also the architect of the modern-day personal computer. Dr. Dean holds three of the original nine patents on the computer that all PCs are based upon. And, Dr. Mark Dean is an African American.

So how is! it that we can celebrate the 20th anniversary of the IBM personal computer without reading or hearing a single word about him? Given all of the pressure mass media are under about negative portrayals of African Americans on television and in print, you would think it
would be a slam dunk to highlight someone like Dr. Dean.

Somehow, though, we have managed to miss the shot. History is cruel when it comes to telling the stories of African Americans. Dr. Dean isn't the first Black inventor to be overlooked Consider John Stanard, inventor of the refrigerator, George Sampson, creator of the clothes dryer,
Alexander Miles and his elevator, Lewis Latimer and the electric lamp.

All of these inventors share two things:

One, they changed the landscape of our society; and, two, society relegated them to the footnotes of history. Hopefully, Dr. Mark Dean won't go away as quietly as they did. He certainly shouldn't. Dr. Dean helped start a Digital Revolution that created people like Microsoft's Bill Gates and Dell Computer's Michael Dell. Millions of jobs in information technology can be traced back directly to ! Dr. Dean.

More important, stories like Dr. Mark Dean's should serve as inspiration for African-American children. Already victims of the "Digital Divide" and failing school systems, young, Black kids might embrace technology with more enthusiasm! if they knew someone like Dr. Dean already was leading the way.

Although technically Dr. Dean can't be credited with creating the computer -- that is left to Alan Turing, a pioneering 20th-century English mathematician, widely considered to be the father of modern computer science -- Dr. Dean rightly deserves to take a bow for the machine we use today. The computer really wasn't practical for home or small business use until he came along, leading a team that developed the interior architecture (ISA systems! bus) that enables multiple devices, such as modems and printers, to be connected to personal computers.

In other words, because of Dr. Dean, the PC became a part of our daily lives. For most of us, changing the face of society would have been enough. But not for Dr. Dean.. Still in his early fifties, he has! a lot of inventing left in him.

He recently made history again by leading the design team responsible for creating the first 1-gigahertz processor chip.. It's just another huge step in making computers faster and smaller. As the world congratulates itself for the new Digital Age brought on by the personal computer, we need to guarantee that the African-American story is part of the hoopla surrounding the most stunning technological advance the world has ever seen.. We cannot afford to let Dr. Mark Dean become a footnote in history. He is well worth his own history book.

missy Posted: 21/06/2007

re: Who unvented the Personal Computer?
Hii EVERYONE!! iM BORED AND READING ALL THESE POST!! HAHAH FUNNY PEOPLE
newfieswomanPosted: 06/05/2007

re: Who unvented the Personal Computer?
Me must be one of them people who is to lazy to find out the information meself cuz me is wondeering the same question. If all you want to do is critize people for asking a question on a page that is meant to give answers that is up to you. But to call us lazy?? Who the hell do you think you are??

(Did you read the answer? It clearly says that no one person invented the PC. And yes, Ye must be one of them people who want an instant, easy fix. Pity there isn't one. -PZ)

ChrisPosted: 22/03/2007

re: Who unvented the Personal Computer?
To all those that can't be bothered doing their own research, grow up and put some effort in. Don't criticise people that offer their help on here free of charge, if you were paying for it, it would be a different story.

Piss poor effort from some of you, finding the easy way out, people like you really get on my nerves.

It's just typical of young teenage kids....

TechratPosted: 21/03/2007

re: Who unvented the Personal Computer?
Bill Gates + Paul Allen - Microsoft, Steve Wozniak + Steve Jobs - Apple, Michael Dell, Ted Waitt - Gateway, Thomas Watt Snr. - IBM, Hisashige Tanaka - Toshiba, Stan Shih - Acer, Jim Harris + Bill Murto - Compaq,
Luke EvansPosted: 20/03/2007

re: Who unvented the Personal Computer?
Bill Gates is the correct answer. He can also answer the question of "What came first the chicken or the egg?"

Yep Bill Gates sure is awesome (a word he invented by the way).

andrew peter collinsPosted: 19/03/2007

re: Who unvented the Personal Computer?
Hey Guys, What's with all the agro? Joe only asked a simple question and if that makes him a fool, then i'm a fool too. I Googled old telephone exchanges a few nights back. Why? I just wanted to see how the old telephone exchanges worked, both the ones that were manned and the decadic systems to todays modern systems. If you can't say anything nice then don't bother. It kinda defeats the purpose of Help Station doesn't it! Cheers Andy :) :)
cortneyPosted: 17/03/2007

re: Who Invented The Personal Computer
this really didnt help me at all...so all i have to say is THANKS FOR NOTHING!!!

(Perhaps you're missing the point Cortney. The whole point of studying is to find things out for yourself. If we gave you the perfect, ready-made answer the teacher would spot it and fail you. As Les Bell said in his answer, there simply is no one person you can say "invented the PC". And by the way, has anyone ever told your parents the correct way to spell Courtney? -PZ)

j12Posted: 07/11/2006

re: Who Invented The Personal Computer
thanx for nothing youstupid website. i need to kno who invebted the personal computer, not that it wasn't invented at all.
LaShaePosted: 27/10/2006

re: Who Invented The Personal Computer
thanks 4 nothing i need 2 know who really invented the computer cause i know someone did
kaylaPosted: 10/10/2006

who invented the box?
i dont have a post
tristanPosted: 07/09/2006

re: Who Invented The Personal Computer
Thanks for nothing.
David LindsleyPosted: 27/08/2006

re: Who Invented The Personal Computer
Not an invention at all! The PC evolved from the converging technologies of computing (per se) and the development of integrated circuits. The latter enabled complex computations to be performed and data stored in physically small devices. There is a strong argument that the first practical desktop computer was developed by Andr■ Truong in France in 1972/3. This certainly pre-dates machines produced by Xerox and MITI.
DA IversonPosted: 06/06/2006

re: Who Invented The Personal Computer
Since the earlier systems were not PCs but precursors to it; the personal computer (PC) was invented by a team at IBM lead by Mark Dean.
http://www.almaden.ibm.com/almaden/labdir/
dorthyPosted: 05/04/2006

re: Who Invented The Personal Computer
i need to knokw who invented the personal computer for a class project

(Try Wikipedia.org)

Man 4 LifePosted: 21/12/2005

re: Who Invented The Personal Computer
how do u guys know all these stuff but im lookin for somethin different who first invented it if u know email me
JasonPosted: 15/03/2005

re: Who Invented The Personal Computer
wouldnt the credit go to Alan Turing as he saw the vision of intregration of memory into a closed unit and where programs and information could be stored and accessed at any time so no the americans didnt invent thew modern PC, Alan Turing , a british person did
DerekPosted: 23/02/2004

re: Who Invented The Personal Computer
the first single - chip microprocessor was intel's 4004, released in 1971 it was 4 - bit processor (not very good for a desktop computer, the current computers are 32 - bit or 64 - bit for AMDs athlon64, FX or Opteron series processors) it was used on the pioneer spacecraft.
jayPosted: 23/02/2004

re: Who Invented The Personal Computer
Good question. And thanks for the history lesson.



I read in a computer mag. about who made the computer chip but can't remember who or which mag. Can you please enlighten us all.



(Use Google. Look for something such as "history of integrated circuit" -PZ)


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