Changeset 222 in t29-www
- Timestamp:
- Dec 18, 2010, 3:40:14 PM (12 years ago)
- Location:
- en
- Files:
-
- 6 edited
Legend:
- Unmodified
- Added
- Removed
-
en/communication/television.shtm
r191 r222 71 71 <div class="box center auto-bildbreite"> 72 72 <img src="/shared/photos/kommunikationstechnik/ampex.vr650.jpg" alt="AMPEX VR 650" width="600" height="369" /> 73 <p class="bildtext"><b>AMPEX VR 650</b>, an early bulky transportable video unit from Ampex, equipped with 2-inch tapes from 1964. It was the first transistorized apparatu re made by Ampex, featuring germanium transistors. Of course the device was not intended for privatuse. Although it was versatile, hospitals often recorded radiographies with this apparature.</p>73 <p class="bildtext"><b>AMPEX VR 650</b>, an early bulky transportable video unit from Ampex, equipped with 2-inch tapes from 1964. It was the first transistorized apparatus made by Ampex, featuring germanium transistors. Of course the device was not intended for private use. Although it was versatile, hospitals often recorded radiographies with this apparature.</p> 74 74 </div> 75 75 -
en/computer/early-computers.shtm
r221 r222 10 10 --><!--#set var="next" value="analog.shtm" 11 11 --><!--#set var="next_title" value="Analog and hybrid computers" 12 --><!--#set var="credits" value="M. Kaye / Ann Arbor, MI, USA" 12 13 --><title>technikum29 - <!--#echo var="title" --></title> 13 14 … … 37 38 38 39 <p> 39 One of the museal highlights: The complete PDP-8 system with processor, 40 big tape deck TU 580 (originally belongs to the PDP-5, year of manufacture 41 1963), punch card reader/puncher PC 01, hard disc DF 32 with immovable heads 42 and a teletype as printer. The Classic PDP-8 is called the world's first mass-produced 43 "minicomputer". Without ICs or their ancestor it is a seccond-generation apparature. 40 One of the museum highlights: The complete PDP-8 system with processor, 41 a big tape deck TU-580 (originally belonged to the PDP-5, manufactured in 1963), 42 punch card reader/puncher PC-01, hard-disc DF-32 with immovable heads 43 and a teletype as printer. The Classic PDP-8 is considered the world's first mass-produced 44 "minicomputer". Due it's use of ICs, unlike its predecessors, it is considered 45 a second-generation computer. 44 46 <!-- The <b>Classic PDP 8</b> from DEC (Digital Equipment Corporation, Massachusetts): 45 47 He is considered to be the world's first mass-produced "minicomputer" (1965). "Mini" is relative: Only too very … … 55 57 56 58 <p>DEC's first calculator with integrated circuits was not cheap. The CPU on 57 its own (in the middle of the picture) without peripherals cost $27000 at that time.<br/>58 The main memory had a capacity of 8kB. While c alculating a "bigger" problem, possibly some files59 (programs, data) had to be swapped on a (magnetic) tape and read in afterwards. DEC developed60 a very intelligent operating system (OS/8) which could work very efficiently with such fewmemory.59 alone (pictured in the center) without peripherals cost $27000 at that time.<br/> 60 The main memory had a capacity of 8kB. While computing a "larg" problem, it was possible to swap 61 programs or data to files on magnetic tape and read in afterward be reread. DEC developed 62 an intelligent operating system (OS/8) which worked very efficiently with such little memory. 61 63 It is very interesting to watch this computer working.</p> 62 <p>If you have not yet seen such a computer, you should know that it is more than 2m high (with63 plotter) and has a weight of more than 300 kg.</p>64 <p>The peripherals consist of two TU 55 (tape drives), PC04 (high speed paper tape reader),65 Calcomp 563 plotter (at the top) and of course a teletype (not in the picture).</p>64 <p>If you have not been in the presence of this computer, you should know that it is quite large. 65 With the plotter, it stands at a height of almost 7' (2m) and weighting at more than 600 lbs (300kg).</p> 66 <p>The peripherals consist of two TU-55 (tape drives), a PC-04 (high speed paper tape reader), 67 Calcomp 563 plotter (at the top) and of course a teletype (not pictured).</p> 66 68 </div> 67 69 </div> -
en/computer/storage-media.shtm
r219 r222 159 159 -20° C to +50°C (-4°F to 122°F). 160 160 <br/>In this way the plated wire storage was developed, based on a couple of 161 genious ideas. Unfortunately, nowadays it is very error-prone.</p>161 ingenious ideas. Unfortunately, nowadays it is very error-prone.</p> 162 162 <p>Clicking on the photography will yield further informations about the 163 163 <a class="go" href="/en/devices/plated-wire-storage.shtm">design of the plated -
en/dev/translation/submit.php
r216 r222 38 38 39 39 // setup mail 40 $to = "sven ";41 $to .= "@technikum29.de"; // spamschutz (svn!)40 $to = "sven@, heribert@"; 41 $to = str_replace('@', "@technikum29.de", $to); // spamschutz (svn!) 42 42 $subject = "t29 translation submission"; 43 43 if($pagename) $subject .= " for $pagename"; -
en/devices/dec-history.shtm
r219 r222 11 11 --><!--#set var="next" value="" 12 12 --><!--#set var="next_title" value="" 13 --><!--#set var="credits" value="M. Kaye / Ann Arbor, MI, USA" 13 14 --><title>technikum29 - <!--#echo var="title" --></title> 14 15 15 16 <!--#include virtual="/en/inc/head.inc.shtm" --> 16 <meta name="DC.Title" content="technikum29 - <!--#echo var="title" -->" />17 17 <meta name="t29.SVN" content="$Id$" /> 18 <meta name="t29.germanoriginal" content="22.08.2008/v5.8FINAL" />19 <meta name="t29.thistranslation" content="22.08.2008/v5.8.0FINAL" />20 <meta name="t29.comment" content="Initial translation" />21 <!--changelog: 23.08.2007/v5.7.5 based on 08.2007/v5.7FINAL": Extraseite neustrukturiert -->22 18 </head> 23 19 <body> … … 28 24 <div class="cols"> 29 25 <div class="leftcol"> 30 <p> Everything started with just an idea: A young engineer from the famous <i>Massachusetts Institute of Technology</i> had seen the novel computer <em>Whirlwind</em> which worked fundamentally different to the common <em>Eniac</em> computer generation at the Lincoln Lab.31 <br/>While <em>E niac</em> computers used batch processing, the new computer implemented the idea of <em>interactive computing</em>.</p>26 <p>It all began with an idea: A young engineer from the famous <i>Massachusetts Institute of Technology</i> had seen the novel computer <em>Whirlwind</em>, that worked in a way which was fundamentally different to the common <em>Eniac</em> computer generation at the Lincoln Laboratory. 27 <br/>While <em>ENIAC</em> computers used batch processing, the new computer implemented the idea of <em>interactive computing</em>.</p> 32 28 33 <p>At first sight he recognized the advantages of the new form of computer interaction and the possibilities for even inexperienced computer users. The name of this man was Ken Olsen. His aim was to build aninteractive computer for all purposes.34 <br/>In August 1957, he founded a small company with three collaborators. He named the new company <em>Digital Equipment Corporation</em>. This name was chosen to obscure his real targets. The big and well-established enterprises like IBM should think that DEC just builds auxillary devices.</p>29 <p>At first sight he recognized the advantages of the new form of computer interaction and the possibilities that existed for even inexperienced computer users. The name of this man was Ken Olsen. His aim was to build an all-purpose interactive computer for all purposes. 30 <br/>In August 1957, he founded a small company with three collaborators. He named the new company <em>Digital Equipment Corporation</em>. This name was chosen to obscure his real intention. The big and well-established enterprises like IBM should think that DEC just builds auxillary devices.</p> 35 31 36 <p>Three years later, in 1960, Digital presented the first commercial interactive "mini" computer. This was the first PDP system (Programmable Data Processor). It used a word length of 18 bit and costed approx. US$ 120,000. Digital selled only 53 units.</p>32 <p>Three years later, in 1960, Digital presented the first commercial, interactive, <em>mini</em>-omputer. This was the first PDP system (Programmable Data Processor). It used a word length of 18 bits, at a cost of approx. US$ 120,000. Only 53 units were sold.</p> 37 33 38 <p>The begin of mass producing mini computers represents the next milestone. In 1965 Digital presented this first mass produced PDP, calledPDP-8. It was sensationally cheap and costed only US$ 18,000.39 <br/>Successors of this hit series were the PDP 8I (1967, first computer featuring TTL ICs), PDP 8L (1968, low cost version), PDP 8e (1970, first computer with bus system), later onthe PDP 8a and DEC Mate Systems were produced.</p>34 <p>The start of mass-produced mini computers represened the next milestone. In 1965, Digital presented this first mass produced PDP, the PDP-8. It was sensationally cheap and costed only US$ 18,000. 35 <br/>Successors of this hit series were the PDP 8I (1967, the first computer featuring TTL ICs), PDP 8L (1968, low cost version), PDP 8e (1970, the first computer with a bus system), later, the PDP 8a and DEC Mate Systems were produced.</p> 40 36 41 37 </div><!-- leftcol --> … … 46 42 <dl> 47 43 <dt>1963</dt> 48 <dd>In the German city Munich the first european Digital branch office opened. The first mini computer of the world, the 12 bit computerPDP-5 was announced.</dd>44 <dd>In the German city of Munich the first European Digital branch office opened. The first minicomputer of the world, the 12-bit computer, PDP-5 was announced.</dd> 49 45 <dt>1966</dt> 50 <dd>The first Digital shares are s elled.</dd>46 <dd>The first Digital shares are sold.</dd> 51 47 <dt>1967</dt> 52 48 <dd>Digital has 50 branches in 11 countries worldwide. The number of employees increases up to 2,600.</dd> -
en/devices/univac9400/frontpanel.shtm
r152 r222 14 14 15 15 <!--#include virtual="/en/inc/head.inc.shtm" --> 16 <meta name="DC.Title" content="technikum29 - <!--#echo var="title" -->" /> 17 <meta name="t29.germanoriginal" content="v5.7FINAL" /> 18 <meta name="t29.thistranslation" content="23.08.2007/v5.7.5" /> 19 <!-- meta: t29.germanoriginal="<27.07.2006/v5.5.4" --> 20 <!-- meta: t29.thistranslation="27.07.2006/v5.5.5" --> 16 <meta name="t29.SVN" content="$Id$" /> 21 17 </head> 22 18 <body> … … 29 25 <p>Light ermitting diodes (LEDs) has not been invented yet. Little 30 26 glow lamps were used to display the binary states because 31 filament bulbs would have been too lazyto perform the fast27 filament bulbs would have been too slow to perform the fast 32 28 changings. The display features four rotary switches so it can 33 29 be switched between eight different state arrays with 18 bits.</p> 34 30 </div> 35 <!--36 <ul id="nav">37 <li><a href="/en/computer/univac9400.shtm#backlink-frontpanel">Univac 9400 overview</a></li>38 <li><a href="/en/">technikum29 homepage</a></li>39 </ul>40 -->41 31 </div> 42 32
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