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Sinclair ZX Spectrum Story - Birth of a Classic | Nostalgia Nerd
 
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The ZX Spectrum is 35 years old on 23rd April 2017, and it also holds a very special place in my heart, so it's time to wish it a happy birthday... It's the machine I grew up with and which led me to creating this very channel. I've covered the Sinclair ZX Spectrum in the past, but frankly I didn't do it justice, so we're revisiting Sir Clive's iconic 8 bit home micro in detail, starting with The Sinclair Years in this two part documentary. This first part explores Clive Sinclair's early years, from his childhood to the formation of Sinclair Radionics in 1961, through the mini amplifier period, pocket calculator, black watch and finally his range of computers, starting with the MK14 and culminating in the ZX Spectrum 128k. We'll look at the people involved behind the Spectrum such as Jim Westwood and Chris Curry and explore other avenues such as the famous punch up between Clive and Chris in a Cambridge pub. So hold on tight, and let's get cracking with Jet Set F**king Willy. Many thanks to Ashens https://www.youtube.com/user/ashens and Slopes Game Room https://www.youtube.com/user/djslopesroom for their voices. ☟Sharing☟ If you wish to share this video in forums, social media, on your website, *please do so*! It helps tremendously with the channel! ☟Subcribe☟ https://www.youtube.com/user/nostalgianerdvideos?sub_confirmation=1 ✊Support Me! ✊ *Please consider supporting the channel on Patreon*: https://www.patreon.com/nostalgianerd?ty=h Visit my eBay Shop: http://ebay.to/1QQpYyy Buy From Amazon (Amazon give a small commission to my affiliate account): http://amzn.to/2iGA3Yq ★Join me on Social Media★ Twitter: http://www.twitter.com/nostalnerd Face: http://www.facebook.com/nostalnerd Instagram: http://www.instagram.com/nostalgianerd Web: http://www.nostalgianerd.com ★Equipment★ Lumix G6 with Vario 14-42mm Lens Nikon D3200 with 40mm Macro Corel Video Studio Ultimate X9 Corel Paint Shop Pro X6 Blue Snowball Microphone ♜Resources♜ Music; The Place Inside 00:10 Chess Pieces 00:40 Switch It Up 03:30 Take That Back 08:00 Which Way is Up? 10:30 Long Way Home 14:40 Come On In 17:50 Coast 22:30 Scarlet Fire 27:00 Omission 29:40 Hall of Mirrors 32:10 Hollywood High 34:10 Funk Down 37:30 Moth 41:30 Cybernoid (ZX Spectrum 128k) 42:50 Pacific Hike 45:20 I Love You 47:10 All music other than ZX Spectrum chiptunes are royalty free, sourced from Youtube audio library. Other than the resources listed throughout this video, the following references were used; http://www.torrens.org/Sinclair/imgs/03_36.jpeg Adverts - https://nosher.net/archives/computers/yourcomputer_1987-11_001_sinclair Timex Dundee - http://craigsretrocomputingpage.eu5.org/zx81production/zx81production.html Rick Dickinson - http://www.polymathperspective.com/?p=813 Prototype ZX82 - Rick Dickinson If you believe I have forgotten to attribute anything in this video, please let me know, so I can add the source in. It takes time to make these videos and therefore it can be easy to forget things or make a mistake.
Views: 177313 Nostalgia Nerd
TTL self-awareness (and a blinking LED)
 
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8-bit computer built from simple 1970 era TTL logic chips (74LS series) on a solder less breadboard. No microcontroller, not even an ALU chip. 6 MHz clock, Harvard architecture and some pipelining. The video signal is generated from software running on this CPU. The application runs in horizontal and vertical blank.
Views: 2216 beopstek
A Festschrift for Danny Cohen
 
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Google Tech Talk March 2, 2013 A Festschrift honoring internet pioneer, Danny Cohen. Cohen developed the first real-time visual flight simulator on a general-purpose computer in 1967. He also developed the first real-time radar simulator. He was the first to implement packet video and packet voice when he adapted the flight simulator to run over the ARPANET. He is an inaugural inductee in the Internet Society Internet Hall of Fame. Talks include accounts of Cohen's work by other Internet Hall of Fame inductees - Vint Cerf, Larry Roberts, Leonard Kleinrock, and Robert Kahn and other internet pioneers (Barry Wessler, Ivan Sutherland, Bob Sproull, Chuck Seitz, Bob Parker, Larry Miller, Stephen Casner, Bob Braden, Deborah Estrin, Paul Losleben, Patrice Lyons, Eve Schooler, Bob Felderman, Neil Gershenfeld, Jim Mitchell, Ron Ho, Professor J. Finnegan, Ashok Krishnamoorthy, Barbara Tversky, David Cohen)
Views: 1245 GoogleTechTalks
Elektronika Analog - EA10
 
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Laporan Praktikum Elektronika Analog EA10
Views: 247 Afif Hadyan
Switched-mode power supply
 
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A switched-mode power supply (switching-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight. Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 337 Audiopedia
Power (social and political) | Wikipedia audio article
 
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This is an audio version of the Wikipedia Article: Power (social and political) Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago. Learning by listening is a great way to: - increases imagination and understanding - improves your listening skills - improves your own spoken accent - learn while on the move - reduce eye strain Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. You can find other Wikipedia audio articles too at: https://www.youtube.com/channel/UCuKfABj2eGyjH3ntPxp4YeQ You can upload your own Wikipedia articles through: https://github.com/nodef/wikipedia-tts "The only true wisdom is in knowing you know nothing." - Socrates SUMMARY ======= In social science and politics, power is the ability to influence or outright control the behaviour of people. The term "authority" is often used for power perceived as legitimate by the social structure. Power can be seen as evil or unjust, this sort of primitive exercise of power is historically endemic to humans, however as social beings the same concept is seen as good and as something inherited or given for exercising humanistic objectives that will help, enable and move people. In general, it is derived by the factors of interdependence between two entities and the environment. In business, the ethical instrumentality of power is achievement, and as such it is a zero-sum game. In simple terms it can be expressed as being "upward" or "downward". With downward power, a company's superior influences subordinates for attaining organizational goals. When a company exerts upward power, it is the subordinates who influence the decisions of their leader or leaders.The use of power need not involve force or the threat of force (coercion). On one side, it closely resembles what egalitarian and consensual nations (Denmark, Netherlands, Norway, Sweden) might term as "influence," contrasted with the extreme what some authors identify as "intimidation" in capitalist nations, a means by which power is used. An example of using power without oppression is the concept "soft power," as compared to hard power. Much of the recent sociological debate about power revolves around the issue of its means to enable – in other words, power as a means to make social actions possible as much as it may constrain or prevent them. The philosopher Michel Foucault saw power as a structural expression of "a complex strategic situation in a given social setting" that requires both constraint and enablement.
Views: 5 wikipedia tts

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