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data-attr-layout_facebook="inactive" data-attr-layout_twitter="inactive" data-attr-layout_linkedin="inactive" data-attr-layout_copylink="active" data-attr-layout_all_sections="top" data-attr-layout_photo_caption="bottom" data-attr-layout_photo_credit="bottom" data-attr-layout_time_to_read="top" data-attr-layout_all_headline_tag="h1" data-attr-layout_all_subheadline_tag="h2" data-attr-layout_snark_line="top" data-attr-filters="section,post_body_pager" data-attr-section_url="" data-attr-source="" data-attr-format="posts-custom" data-attr-is_current_post="true"><div class="posts-wrapper clearfix"><div class="widget post-partial tag-computer-programming tag-grace-hopper tag-ieee-history tag-programming-languages tag-type-ti post-section--topic/the-institute" data-category="The Institute"><article elid="2669167277" data-frozen-sections="[]" class="clearfix image-article sm-mb-1 quality-HD post-2669167277" data-category="The Institute"><div class="row px10"><div class="rm-col-center col sm-mb-1" style="width:100.0%;"><div class="widget__body clearfix sm-mt-1"><div class="all-related-sections"><a href="https://spectrum.ieee.org/topic/the-institute/">The Institute</a><a href="https://spectrum.ieee.org/collections/womens-history-month/">Women’s History Month</a><a href="https://spectrum.ieee.org/the-institute/collections/ieee-history/">IEEE History</a><a href="https://spectrum.ieee.org/type/article/">Article</a><a href="https://spectrum.ieee.org/collections/">Spectrum Collections</a><a href="https://spectrum.ieee.org/topic/computing/">Computing</a><a href="https://spectrum.ieee.org/topic/tech-history/">History of Technology</a></div><h1 class="widget__headline h1"><span class="widget__headline-text custom-post-headline" data-type="text"> From Punch Cards to Python </span></h1><div class="widget__subheadline"><h2 class="widget__subheadline-text h2" data-type="text"><p>Grace Hopper’s A-0 compiler paved the way for modern programming languages</p></h2></div><div class="social-author clearfix"><div class="social-author__avatar image"><div class="cover-all image" style="background-image: url("https://spectrum.ieee.org/media-library/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNjY0NTkxNC9vcmlnaW4ucG5nIiwiZXhwaXJlc19hdCI6MTc1NDM4NzE3M30.MTQySQ4SkKwqBh31wur--gqjA9a52wpqPBFrbbae81E/image.png?width=210")"></div></div><a class="social-author__name" href="https://spectrum.ieee.org/u/joanna-goodrich" data-type="text">Joanna Goodrich</a></div><div class="social-date"><span class="social-date__text">13 Sep 2024</span></div><div class="time-to-read">6 min read</div><div class="like-button" data-post-likes="14"></div><div class="snark-line"><div class="minibios-group"><p>Joanna Goodrich is the associate editor of The Institute</p></div></div></div><div class="widget__head"><picture><source srcset="https://spectrum.ieee.org/media-library/a-photo-of-a-woman-holding-a-piece-of-paper-in-front-of-banks-of-computers.png?id=53614434&width=3600&height=3847 3x, https://spectrum.ieee.org/media-library/a-photo-of-a-woman-holding-a-piece-of-paper-in-front-of-banks-of-computers.png?id=53614434&width=2400&height=2564 2x, https://spectrum.ieee.org/media-library/a-photo-of-a-woman-holding-a-piece-of-paper-in-front-of-banks-of-computers.png?id=53614434&width=1200&height=1282 1x"/><img fetchpriority="high" role="img" alt="A photo of a woman holding a piece of paper in front of banks of computers" aria-label="A photo of a woman holding a piece of paper in front of banks of computers" src="https://spectrum.ieee.org/media-library/a-photo-of-a-woman-holding-a-piece-of-paper-in-front-of-banks-of-computers.png?id=53614434&width=1200&height=1282" style="object-fit: cover;" class="rm-lazyloadable-image rm-hero-media" width="2345" height="2506"/></picture></div><div class="widget__body clearfix sm-mt-1"><div class="photo-caption"><p>Grace Hopper examining the Universal Automatic’s (UNIVAC I) magnetic tape drives while holding a COBOL programming manual. COBOL is one of the earliest standardized computer languages.</p></div><div class="photo-credit"> Computer History Museum </div></div></div></div><script type="application/json" id="post-context-2669167277" class="post-context post-context-2669167277"> {"customDimensions": {"5":"Joanna Goodrich","11":2669167277,"7":"computer programming, grace hopper, ieee history, programming languages, type:ti","10":"ieee history","6":"the-institute","8":"09/13/2024"}, "post": {"id": 2669167277, "providerId": 0, "sections": [0, 497728257, 595477735, 560561003, 544175596, 544169516, 559394862, 539617903, 539619441, 539626938], "authors": [21075164], "streams": [], "split_testing": {}} } </script></article></div></div></div></div><div id="sSS_Default_Post_0_0_22_0_0_1_2_0_1" class=" row-wrapper clearfix "><div class="row "><div id="sSS_Default_Post_0_0_22_0_0_1_2_0_1_0" class="tag_column col sm-mb-2 md-mb-4 s12 m12 l3"><div class="wrapper-lazy-loading rm-lazy-load-post-lcp-wrapper next-page-wrapper" 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class="body js-expandable clearfix js-listicle-body css-listicle-body-2669167277" data-headline="From Punch Cards to Python"><div class="body-description"><p>In today’s digital world, it’s easy for just about anyone to create a mobile app or write software, thanks to <a href="https://www.java.com/" rel="noopener noreferrer" target="_blank">Java</a>, <a href="https://www.javascript.com/" rel="noopener noreferrer" target="_blank">JavaScript, </a><a href="https://www.python.org/" rel="noopener noreferrer" target="_blank">Python</a>, and other programming languages.</p><p>But that wasn’t always the case. Because the primary language of computers is binary code, early programmers used punch cards to instruct computers what tasks to complete. Each hole represented a single binary digit.</p><p>That changed in 1952 with the <a href="https://ethw.org/Milestones:A-0_Compiler_and_Initial_Development_of_Automatic_Programming,_1951-1952" rel="noopener noreferrer" target="_blank">A-0 compiler</a>, a series of specifications that automatically translates high-level languages such as English into machine-readable binary code.</p><p>The compiler, now an <a href="https://ieeemilestones.ethw.org/Main_Page" rel="noopener noreferrer" target="_blank">IEEE Milestone</a>, was developed by <a href="https://spectrum.ieee.org/grace-hopper-and-the-invention" target="_self">Grace Hopper</a>, who worked as a senior mathematician at the <a href="https://en.wikipedia.org/wiki/Eckert%E2%80%93Mauchly_Computer_Corporation" rel="noopener noreferrer" target="_blank">Eckert-Mauchly Computer Corp.</a>, now part of <a href="https://www.unisys.com/" rel="noopener noreferrer" target="_blank">Unisys</a>, in Philadelphia.</p><p>IEEE Fellow’s innovation allowed programmers to write code faster and easier using English commands. For her, however, the most important outcome was the influence it had on the development of modern programming languages, making writing code more accessible to everyone, according to a <a href="https://blog.seas.upenn.edu/recognizing-a-pioneer-the-ieee-dedicates-milestone-to-grace-hopper-at-penn-engineering/" rel="noopener noreferrer" target="_blank">Penn Engineering Today article</a>.</p><p>The dedication of the A-0 compiler as an IEEE Milestone was held in Philadelphia on 7 May at the <a href="https://www.upenn.edu/" rel="noopener noreferrer" target="_blank">University of Pennsylvania</a>. That’s where the Eckert-Mauchly Computer Corp. got its start.</p><p>“This milestone celebrates the first step of applying computers to automate the tedious portions of their own programming,” <a href="https://www.seas.upenn.edu/~andre/" rel="noopener noreferrer" target="_blank">André DeHon</a>, professor of electrical systems, engineering, and computer science, said at the dedication <a href="https://blog.seas.upenn.edu/recognizing-a-pioneer-the-ieee-dedicates-milestone-to-grace-hopper-at-penn-engineering/" rel="noopener noreferrer" target="_blank">ceremony</a>. </p><h2>Eliminating the punch-card system</h2><p>To program a computer, early technicians wrote out tasks in assembly language—a human-readable way to write machine code, which is made up of binary numbers. They then manually translated the assembly language into machine code and punched holes representing the binary digits into cards, according to a <em><em>Medium</em></em><a href="https://medium.com/fosscomics/4-how-did-people-write-code-in-the-early-days-of-computing-e7f2a125175c#:~:text=First%2C%20the%20programmer%20wrote%20assembly,line%20onto%20a%20punch%20card." rel="noopener noreferrer" target="_blank">article</a> on the method. The cards were fed into a machine that read the holes and input the data into the computer.</p><p>The punch-card system was laborious; it could take days to complete a task. The cards couldn’t be used with even a slight defect such as a bent corner. The method also had a high risk of human error.</p><p>After leading the development of the <a href="https://spectrum.ieee.org/great-computers-never-die" target="_self">Electronic Numerical Integrator and Computer</a> (ENIAC) at Penn, computer scientists <a href="https://ethw.org/J._Presper_Eckert" rel="noopener noreferrer" target="_blank">J. Presper Eckert</a> and <a href="https://ethw.org/John_W._Mauchly" rel="noopener noreferrer" target="_blank">John W. Mauchly</a> set about creating a replacement for punch cards. ENIAC was built to improve the accuracy of U.S. artillery during World War II, but the two men wanted to develop computers for commercial applications, according to a <a href="https://pabook.libraries.psu.edu/literary-cultural-heritage-map-pa/feature-articles/univac-punch-cards-pcs" rel="noopener noreferrer" target="_blank">Pennsylvania Center for the Book article</a>.</p><p>The machine they designed was the first known large-scale electronic computer, the <a href="https://ethw.org/UNIVAC" rel="noopener noreferrer" target="_blank">Universal Automatic, or UNIVAC</a> I. Hopper was on its development team.</p><p>UNIVAC I used 6,103 vacuum tubes and took up a 33-square-meter room. The machine had a memory unit. Instead of punch cards, the computer used magnetic tape to input data. The tapes, which could hold audio, video, and written data, were up to 457 meters long. Unlike previous computers, the UNIVAC I had a keyboard so an operator could input commands, according to the Pennsylvania Center for the Book article.</p><p class="pull-quote">“This milestone celebrates the first step of applying computers to automate the tedious portions of their own programming.” <strong>—André DeHon</strong></p><p>Technicians still had to manually feed instructions into the computer, however, to run any new program.</p><p>That time-consuming process led to errors because “programmers are lousy copyists,” Hopper<a href="https://dl.acm.org/doi/pdf/10.1145/800025.1198341" rel="noopener noreferrer" target="_blank"> said</a> in a speech for the <a href="https://www.acm.org/" rel="noopener noreferrer" target="_blank">Association for Computing Machinery</a>. “It was amazing how many times a 4 would turn into a delta, which was our space symbol, or into an A. Even B’s turned into 13s.”</p><p>According to a <a href="https://hiddenheroes.netguru.com/grace-hopper" rel="noopener noreferrer" target="_blank">Hidden Heroes article</a>, Hopper had an idea for simplifying programming: Have the computer translate English to machine code.</p><p>She was inspired by computer scientist <a href="https://spectrum.ieee.org/the-women-behind-eniac" target="_self">Betty Holberton</a>’s sort/merge generator and Mauchly’s Short Code. Holberton is one of six women who programmed the ENIAC to calculate artillery trajectories in seconds, and she worked alongside Hopper on the UNIVAC I. Her sort/merge program, invented in 1951 for the UNIVAC I, handled the large data files stored on magnetic tapes. Hopper defined the sort/merge program as the first version of virtual memory because it made use of overlays automatically without being directed to by the programmer, according to a <a href="https://web.stanford.edu/class/cs208e/cgi-bin/main.cgi/static/lectures/17-ProgrammingEarlyDays/EarlyProgrammingLanguages.pdf" rel="noopener noreferrer" target="_blank">Stanford presentation</a> about programming languages. The Short Code, which was developed in the 1940s, allowed technicians to write programs using brief sequences of English words corresponding directly to machine code instructions. It bridged the gap between human-readable code and machine-executable instructions.</p><p>“I think the first step to tell us that we could actually use a computer to write programs was the sort/merge generator,” Hopper said in the presentation. “And Short Code was the first step in moving toward something which gave a programmer the actual power to write a program in a language which bore no resemblance whatsoever to the original machine code.”</p><p class="shortcode-media shortcode-media-rebelmouse-image"><img alt="A photo of a woman standing in front of a large computer bank. " class="rm-shortcode rm-lazyloadable-image" data-rm-shortcode-id="c1c3bf292eb5586bad99e4e67c0a0bc6" data-rm-shortcode-name="rebelmouse-image" data-runner-src="https://spectrum.ieee.org/media-library/a-photo-of-a-woman-standing-in-front-of-a-large-computer-bank.png?id=53614533&width=980" height="3887" id="9e7fd" lazy-loadable="true" src="data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%205046%203887'%3E%3C/svg%3E" width="5046"/><small class="image-media media-caption" placeholder="Add Photo Caption...">IEEE Fellow Grace Hopper inputting call numbers into the Universal Automatic (UNIVAC I), which allows the computer to find the correct instructions to complete. The A-0 compiler translates the English instructions into machine-readable binary code.</small><small class="image-media media-photo-credit" placeholder="Add Photo Credit...">Computer History Museum</small></p><h2>Easier, faster, and more accurate programming</h2><p>Hopper, who figured computers should speak human-like languages, rather than requiring humans to speak computer languages, began thinking about how to allow programmers to call up specific codes using English, according to an <a href="https://www.computer.org/csdl/magazine/it/2015/01/mit2015010062/13rRUxCitFF" rel="noopener noreferrer" target="_blank"><em><em>IT Professional</em></em> profile</a>.</p><p>But she needed a library of frequently used instructions for the computer to reference and a system to translate English to machine code. That way, the computer could understand what task to complete.</p><p>Such a library didn’t exist, so Hopper built her own. It included tapes that held frequently used instructions for tasks that she called subroutines. Each tape stored one subroutine, which was assigned a three-number call sign so that the UNIVAC I could locate the correct tape. The numbers represented sets of three memory addresses: one for the memory location of the subroutine, another for the memory location of the data, and the third for the output location, according to the Stanford presentation.</p><p>“All I had to do was to write down a set of call numbers, let the computer find them on the tape, and do the additions,” she said in a <a href="https://www.computinghistory.org.uk/det/5487/Grace-Hopper-completes-the-A-0-Compiler/" rel="noopener noreferrer" target="_blank">Centre for Computing History article</a>. “This was the first compiler.”</p><p>The system was dubbed the A-0 compiler because code was written in one language, which was then “compiled” into a machine language.</p><p>What previously had taken a month of manual <a href="https://spectrum.ieee.org/tag/coding">coding</a> could now be done in five minutes, according to a <a href="https://www.cockroachlabs.com/blog/grace-hopper/" rel="noopener noreferrer" target="_blank">Cockroach Labs article</a>.</p><p>Hopper presented the A-0 to Eckert-Mauchly Computer executives. Instead of being excited, though, they said they didn’t believe a computer could write its own programs, according to the article.</p><p>“I had a running compiler, and nobody would touch it, because they carefully told me computers could only do arithmetic; they could not do programs,” Hopper said. “It was a selling job to get people to try it. I think with any new idea, because people are allergic to change, you have to get out and sell the idea.”</p><p>It took two years for the company’s leadership to accept the A-0. </p><p>In 1954, Hopper was promoted to director of automatic programming for the UNIVAC division. She went on to create the first compiler-based programming languages including <a href="https://en.wikipedia.org/wiki/FLOW-MATIC" rel="noopener noreferrer" target="_blank">Flow-Matic</a>, the first English language data-processing compiler. It was used to program UNIVAC I and II machines.</p><p>Hopper also was involved in developing <a href="https://en.wikipedia.org/wiki/COBOL#:~:text=COBOL%20(%2F%CB%88ko%CA%8Ab,2002%2C%20object%2Doriented%20language." rel="noopener noreferrer" target="_blank">COBOL</a>, one of the earliest standardized computer languages. It enabled computers to respond to words in addition to numbers, and it is still used in business, finance, and administrative systems. Hopper’s Flow-Matic formed the foundation of COBOL, whose first specifications were made available in 1959.</p><p>A plaque recognizing the A-0 is now displayed at the University of Pennsylvania. It reads:</p><p><em><em>During 1951–1952, Grace Hopper invented the A-0 Compiler, a series of specifications that functioned as a linker/loader. It was a pioneering achievement of automatic programming as well as a pioneering utility program for the management of subroutines. The A-0 Compiler influenced the development of arithmetic and business programming languages. This led to COBOL (Common Business-Oriented Language), becoming the dominant high-level language for business applications.</em></em></p><p>The <a href="https://philadelphia.ieee.org/" rel="noopener noreferrer" target="_blank">IEEE Philadelphia Section</a> sponsored the nomination.</p><p>Administered by the <a href="https://www.ieee.org/about/history-center/" rel="noopener noreferrer" target="_blank">IEEE History Center</a> and supported by donors, the Milestone program recognizes outstanding technical developments worldwide.</p><p><div class="rebellt-item ieee-sidebar-fullwidth col1" id="rebelltitem1" data-id="1" data-reload-ads="false" data-is-image="False" data-href="https://spectrum.ieee.org/from-punch-cards-to-python/about-grace-hopper" data-basename="about-grace-hopper" data-post-id="2669167277" data-published-at="1726070227" data-use-pagination="False"><h3 data-role="headline"> About Grace Hopper </h3><p>Hopper didn’t start as a computer programmer. She was a mathematician at heart, earning bachelor’s degrees in mathematics and physics in 1928 from <a href="https://www.vassar.edu/vassar-college-home" target="_blank"><u>Vassar College</u></a>, in Poughkeepsie, N.Y. She then received master’s and doctoral degrees in mathematics and mathematical physics from <a href="https://www.yale.edu/" target="_blank"><u>Yale</u></a> in 1930 and 1934, respectively.</p><p>She taught math at Vassar, but after the <a href="https://en.wikipedia.org/wiki/Attack_on_Pearl_Harbor" target="_blank"><u>bombing of Pearl Harbor</u></a> and the U.S. entry into World War II, Hopper joined the war effort. She took a leave of absence from Vassar to join the U.S. <a href="https://en.wikipedia.org/wiki/United_States_Navy_Reserve" rel="noopener noreferrer" target="_blank"><u>Naval Reserve</u></a> (Women’s Reserve) in December 1943. She was assigned to the <a href="https://www.jstor.org/stable/44643011" rel="noopener noreferrer" target="_blank"><u>Bureau of Ships Computation Project</u></a> at <a href="https://www.harvard.edu/" rel="noopener noreferrer" target="_blank"><u>Harvard</u></a>, where she worked for mathematician <a href="https://ethw.org/Howard_Aiken" rel="noopener noreferrer" target="_blank"><u>Howard Aiken</u></a>. She was part of Aiken’s team that developed the Mark I, one of the earliest electromechanical computers. Hopper was the third person and the first woman to program the machine.</p><p> After the war ended, she became a research fellow at the <a href="https://www.jstor.org/stable/44643011" rel="noopener noreferrer" target="_blank"><u>Harvard Computation Laboratory</u></a>. In 1946 she joined the Eckert-Mauchly Computer Corp., where she worked until her retirement in 1971. During 1959 she was an adjunct lecturer at Penn’s <a href="https://en.wikipedia.org/wiki/Moore_School_of_Electrical_Engineering" rel="noopener noreferrer" target="_blank"><u>Moore School of Electrical Engineering</u></a>.</p><p>Her work in programming earned her the nickname “Amazing Grace,” according to an entry about her on the <a href="https://ethw.org/Grace_Murray_Hopper" rel="noopener noreferrer" target="_blank"><u>Engineering and Technology History Wiki</u></a>.</p><p>Hopper remained a member of the Naval Reserve and, in 1967, was recalled to active duty. She led the effort to standardize programming languages for the military, according to the ETHW entry. She was eventually promoted to rear admiral. When she retired from the Navy at the age of 79 in 1989, she was the oldest serving officer in all the U.S. armed forces.</p><p>Among her many honors was the 1991 U.S. <a href="https://www.uspto.gov/learning-and-resources/ip-programs-and-awards/national-medal-technology-and-innovation-nmti" rel="noopener noreferrer" target="_blank"><u>National Medal of Technology and Innovation</u></a> “for her pioneering accomplishments in the development of computer programming languages that simplified computer technology and opened the door to a significantly larger universe of users.”</p><p>She received 40 honorary doctorates from universities, and the Navy named a warship in her honor.</p></div></p><div class="post-pager js-listicle-pager" data-listicle-style="" data-async_load_parameters="settings=%7B%22use_pagination%22%3A+false%2C+%22pagination_order%22%3A+%5B%5D%2C+%22use_ads%22%3A+false%2C+%22ads_order%22%3A+%5B%5D%2C+%22use_numeration%22%3A+false%2C+%22numeration_sort%22%3A+-1%2C+%22items_as_posts%22%3A+false%2C+%22body_text_above%22%3A+false%2C+%22layout_type%22%3A+1%2C+%22show_columns_on_mobile%22%3A+false%2C+%22allow_url_update%22%3A+true%2C+%22is_guest_voting_allowed%22%3A+true%2C+%22cooldown_in_seconds%22%3A+null%2C+%22multiple_answers%22%3A+false%2C+%22up_down_voting%22%3A+false%2C+%22reorder_voting%22%3A+false%2C+%22no_redirect%22%3A+false%2C+%22no_post_section%22%3A+false%2C+%22enter_url%22%3A+false%2C+%22next_post_url%22%3A+null%2C+%22voting_extra_fields%22%3A+%7B%7D%2C+%22_deprecated_allow_url_change%22%3A+true%2C+%22_deprecated_turn_into_posts%22%3A+false%2C+%22source%22%3A+%22post_listicle_settings%22%2C+%22list_breaks%22%3A+null%2C+%22ads_breaks%22%3A+null%2C+%22prevent_last_break_repetition%22%3A+false%7D&display_ads=1&platform=desktop"></div><div class="around-the-web"><div class="from-your-site__headline">From Your Site Articles</div><ul class="around-the-web__list"><li class="from-your-site__item"><a href="https://spectrum.ieee.org/meet-roberta-williams-the-queen-of-graphic-adventure-video-games" class="from-your-site__link" target="_blank" rel="noopener noreferrer">Meet Roberta Williams, The Queen of Graphic Adventure Video Games ›</a></li><li class="from-your-site__item"><a href="https://spectrum.ieee.org/who-invented-the-dishwasher" class="from-your-site__link" target="_blank" rel="noopener noreferrer">This Socialite Hated Washing Dishes So Much That She Invented the Automated Dishwasher ›</a></li><li class="from-your-site__item"><a href="https://spectrum.ieee.org/edith-clarke-modern-power-distribution" class="from-your-site__link" target="_blank" rel="noopener noreferrer">Edith Clarke: Architect of Modern Power Distribution ›</a></li></ul></div></div></div><span class="" data-elid="2669167277" data-post-url="https://spectrum.ieee.org/from-punch-cards-to-python" data-authors="Joanna Goodrich" data-headline="From Punch Cards to Python" data-page-title="From Punch Cards to Python - 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She has a master's degree in health communications from Rutgers University, in New Brunswick, N.J.</p></div></div></div><div class="widget__head"></div></div></div><script type="application/json" id="post-context-2669167277" class="post-context post-context-2669167277"> {"customDimensions": {"5":"Joanna Goodrich","11":2669167277,"7":"computer programming, grace hopper, ieee history, programming languages, type:ti","10":"ieee history","6":"the-institute","8":"09/13/2024"}, "post": {"id": 2669167277, "providerId": 0, "sections": [0, 497728257, 595477735, 560561003, 544175596, 544169516, 559394862, 539617903, 539619441, 539626938], "authors": [21075164], "streams": [], "split_testing": {}} } </script></article></div></div></div></div></div><div class="" id="sOpen_Current_Default_Post_0_0_14_0_0_2_1_0"><div class="post-partial article__comments"><div class="article-content__comments-wrapper"><div id="comments-widget"><div class="talk-comments-wrp community-native-wrp " 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"Hopper" came from for Nvidia's Hopper GPU architecture!</p></div><div class="comment--item--action"><div><a href="javascript: void(0);" title="reply" class="comment--item__reply disabled" data-message_id="672cd7c7a25d7ff833913991" aria-label="reply"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path d="M10 9V5l-7 7 7 7v-4.1c5 0 8.5 1.6 11 5.1-1-5-4-10-11-11z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></a><a href="javascript: void(0);" title="share" class="comment--item__share disabled" data-message_id="672cd7c7a25d7ff833913991" aria-label="share"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path d="M0 0h24v24H0z" fill="none"></path><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81 1.66 0 3-1.34 3-3s-1.34-3-3-3-3 1.34-3 3c0 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class="comment--item-message"><p>Another example of what women can and have achieved. There are so many great women in STEM, and we need more! Ada Lovelace, Hedy Lamarr, Grace Hopper, etc...</p></div><div class="comment--item--action"><div><a href="javascript: void(0);" title="reply" class="comment--item__reply disabled" data-message_id="67447bab29f5ddc2f637218b" aria-label="reply"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path d="M10 9V5l-7 7 7 7v-4.1c5 0 8.5 1.6 11 5.1-1-5-4-10-11-11z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></a><a href="javascript: void(0);" title="share" class="comment--item__share disabled" data-message_id="67447bab29f5ddc2f637218b" aria-label="share"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path d="M0 0h24v24H0z" fill="none"></path><path d="M18 16.08c-.76 0-1.44.3-1.96.77L8.91 12.7c.05-.23.09-.46.09-.7s-.04-.47-.09-.7l7.05-4.11c.54.5 1.25.81 2.04.81 1.66 0 3-1.34 3-3s-1.34-3-3-3-3 1.34-3 3c0 .24.04.47.09.7L8.04 9.81C7.5 9.31 6.79 9 6 9c-1.66 0-3 1.34-3 3s1.34 3 3 3c.79 0 1.5-.31 2.04-.81l7.12 4.16c-.05.21-.08.43-.08.65 0 1.61 1.31 2.92 2.92 2.92 1.61 0 2.92-1.31 2.92-2.92s-1.31-2.92-2.92-2.92z"></path></svg></a><a href="javascript: void(0);" title="like" class="comment--item__like disabled" data-action="like" data-message_id="67447bab29f5ddc2f637218b" aria-label="like"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path fill="none" d="M0 0h24v24H0V0z"></path><path d="M1 21h4V9H1v12zm22-11c0-1.1-.9-2-2-2h-6.31l.95-4.57.03-.32c0-.41-.17-.79-.44-1.06L14.17 1 7.59 7.59C7.22 7.95 7 8.45 7 9v10c0 1.1.9 2 2 2h9c.83 0 1.54-.5 1.84-1.22l3.02-7.05c.09-.23.14-.47.14-.73v-2z"></path></svg></a><a href="javascript: void(0);" title="unlike" class="comment--item__dislike disabled" data-action="dislike" data-message_id="67447bab29f5ddc2f637218b" aria-label="unlike"><svg class="comment-action-icon" xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewbox="0 0 24 24" aria-hidden="true"><path fill="none" d="M0 0h24v24H0z"></path><path d="M15 3H6c-.83 0-1.54.5-1.84 1.22l-3.02 7.05c-.09.23-.14.47-.14.73v2c0 1.1.9 2 2 2h6.31l-.95 4.57-.03.32c0 .41.17.79.44 1.06L9.83 23l6.59-6.59c.36-.36.58-.86.58-1.41V5c0-1.1-.9-2-2-2zm4 0v12h4V3h-4z"></path></svg></a></div></div><div class="comment-login-wrp"></div></div><div class="replies level-two hidden"><a href="javascript: void(0);" class="comment--show--replies" data-message_id="67447bab29f5ddc2f637218b" aria-label="show replies"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 24 24" aria-hidden="true"><path d="M16.59 8.59L12 13.17 7.41 8.59 6 10l6 6 6-6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg><span class="comment--count">0</span> Replies </a><a href="javascript: void(0);" class="comment--hide--replies hidden" data-message_id="67447bab29f5ddc2f637218b" aria-label="hide replies"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewbox="0 0 24 24" aria-hidden="true"><path d="M12 8l-6 6 1.41 1.41L12 10.83l4.59 4.58L18 14z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg> Hide replies </a><div class="reply-items hidden"></div><div class="talk--load_more__replies hidden" data-message_id="67447bab29f5ddc2f637218b">Show More Replies</div></div></div></div></div><script type="rm-preact-state">{"authors": {"24545653": {"id": 26481939, "path": "u/richard-michalik", "title": "Richard Michalik", "image": "https://spectrum.ieee.org/res/avatars/default", "about": "", "rating": 0, "owner_id": 24545653, "site_specific_data": {"job_title": null, "member_of": null, "last_name": "Michalik", "first_name": "Richard", "Instagram": null, "member_badges": null, "works_for": null, "Twitter": null, "mini_bio": null, "grade": "LM", "LinkedIn": null, "affiliation": null, "Facebook": null, "alumni_of": null}}, "24928590": {"id": 26877031, "path": "u/brian_davis", "title": "Brian Davis", "image": "https://spectrum.ieee.org/res/avatars/default", "about": "", "rating": 0, "owner_id": 24928590, "site_specific_data": {"job_title": null, "member_of": null, "last_name": "Davis", "first_name": "Brian", "Instagram": null, "member_badges": null, "works_for": null, "Twitter": null, "mini_bio": null, "grade": "INDV", "LinkedIn": null, "affiliation": null, "Facebook": null, "alumni_of": null}}}, "forcedComments": [], "topLevelComments": [{"id": "672cd7c7a25d7ff833913991", "html": "\u003cp\u003eNOW i know where the name \"Hopper\" came from for Nvidia's Hopper GPU architecture!\u003c/p\u003e", "data": null, "payload": {"review_score": 5}, "status": "approved", "rating": 10, "author_id": 24545653, "created_ts": 1730992071, "updated_ts": 1730992071, "parents": "", "counts": {"replies": {"total": 0, "direct": 0, "public": {"total": 0, "direct": 0, "total_eq_1": false}}, "reports": 0}}, {"id": "67447bab29f5ddc2f637218b", "html": "\u003cp\u003eAnother example of what women can and have achieved. There are so many great women in STEM, and we need more! 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