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class="siteheader-middle"> <div class="searchwrapper collapsed"> <form id="search" class="search" action="/search" method="post"> <div class='autocomplete' role='combobox' aria-expanded='false' aria-owns='autocomplete-results'> <input type="text" id="term" name="term" placeholder="Search (e.g. 5G, ISP, USB-C)" aria-label="Search (e.g. psd, docx, exe, jpg, zip)" autocomplete="off" class='autocomplete-input term' aria-autocomplete='both' aria-controls='autocomplete-results'> <button id="searchsubmit" class="searchsubmit"></button> </div> <ul id='autocomplete-results' class='autocomplete-results hidden' aria-label='Search'> </ul> </form> </div> <a href="/random" class="headerbutton random" id="random"><img src="/svg/random.svg" alt="random" width="16" height="16"></a> <button id="searchtoggle"><img src="/svg/search-white.svg" alt="search" width="18" height="18"></button> </div> <div class="siteheader-right"> <button id="menuopen"><img src="/svg/menu.svg" alt="open menu" width="18" height="16"></button> <nav id="sitemenu" class="collapsed"> <button id="menuclose"><img src="/svg/close.svg" alt="close menu" width="14" height="14"></button> <ul> <li><a href="/browse/">Terms</a></li> <li><a href="/quiz/">Quizzes</a></li> <li><a href="/help/">Help Center</a></li> <li class="mobile"><a href="/random">Random Term</a></li> <li class="settings"><button id="settings"><img src="/svg/settings.svg" alt="settings" width="22" height="22"></button> <div class="settingsmenu"> <fieldset> <legend>Theme</legend> <input id="theme-default" value="default" type="radio" name="theme" checked> <label for="theme-default">Light</label> <input id="theme-dark" value="dark" type="radio" name="theme" > <label for="theme-dark">Dark</label> <input id="theme-hc" value="hc" type="radio" name="theme" > <label for="theme-hc">High Contrast</label> </fieldset> <div class="fontsizewrapper"><label for="fontsize">Font Size<input type="range" id="fontsize" name="fontsize" min="14" max="26" step="2" value="20"></label><span class="currentsize">20</span></div> <button id="resetsettings">Reset</button> </div> </li> </ul> </nav> </div> </div> </header> <main> <div id="main"> <div class="homeSearch"> <h1><img src="/svg/techterms.svg" alt="TechTerms.com" width="420" height="45"><span class="visuallyhidden">TechTerms.com</span></h1> <p class="subheading">The Computer Dictionary</p> <div class="searchwrapper"> <form class="search" action="/search" method="post"> <div class='autocomplete' role='combobox' aria-expanded='false' aria-owns='autocomplete-results'> <input type="text" name="term" placeholder="Search (e.g. 5G, ISP, USB-C)" aria-label="Search (e.g. psd, docx, exe, jpg, zip)" autocomplete="off" class='autocomplete-input term' aria-autocomplete='both' aria-controls='autocomplete-results' autofocus> <button class="searchsubmit"></button> </div> <ul class='autocomplete-results hidden'> </ul> </form> </div> <p class="heading">Look up definitions of computer and Internet terms.</p> <div class="btns"> <a href="/search" class="headerbutton advsearch"><img src="/svg/bolt.svg" alt="bolt" width="11" height="16"><span>Advanced&nbsp;Search</span></a> <a href="/random" class="headerbutton random"> <img src="/svg/random.svg" alt="random" width="16" height="16"> <span>Random Term</span> </a> <a href="/quiz/internet/hard/2024/4" class="headerbutton random"> <img src="/svg/random.svg" alt="random" width="16" height="16"> <span>Random Quiz</span> </a> </div> </div> <div class="homeBreak"></div> <article> <div class="homecontent"> <div class="homecols"> <div id="left"> <h2 class="heading">Term of the Day</h2> <div class="dailyTerm today"> <span class="detail">Today &bull; November 27</span> <a href="/definition/tpm" class="daily"><h3>TPM</h3></a> <a href="/definition/tpm" class="entryIcon"> <img src="/img/sm/tpm_1488.jpg" srcset="/img/md/tpm_1488.jpg 2x" width="225" height="225" style="height:auto;" alt="TPM"> </a> <div class="typesnippet"> <p class="homeDef">Stands for "Trusted Platform Module." TPM is a technology that enables hardware-based security functions. It requires a "crypto-processor," separate from the primary CPU, used exclusively for security purposes. ... <a href="/definition/tpm">Read More</a></p> </div> </div> <div id="dailyFeed"> <div class="previousTerms closed"> <div class="drawer"></div> <a class="drawerToggle btnprimary" id="showPreviousTerms" data-nextdate="2024-11-26"> View Previous Terms</a> </div> </div> <h2 class="heading">Today's Quiz Question</h2> <div class="quizBox"> <div class="quizBody"> <p class="quizQuestion">Email filters are also called what?</p> <div class="quizTable"> <div id="ansButtonA" class="answerButton activeButton" data-answer="Anum" data-date="2024-11-27"><span class="ansLetter">A</span> <div class="answerCell"><span id="answerA" class="quizAnswer">Keywords</span> <div class="answerBar"> <div id="quizBarA" class="quizBar"></div><span id="quizPercA" class="quizperc">0%</span> </div> </div> </div> <div id="ansButtonB" class="answerButton activeButton" data-answer="Bnum" data-date="2024-11-27"><span class="ansLetter">B</span> <div class="answerCell"><span id="answerB" class="quizAnswer">Tunnels</span> <div class="answerBar"> <div id="quizBarB" class="quizBar"></div><span id="quizPercB" class="quizperc">0%</span> </div> </div> </div> <div id="ansButtonC" class="answerButton activeButton" data-answer="Cnum" data-date="2024-11-27"><span class="ansLetter">C</span> <div class="answerCell"><span id="answerC" class="quizAnswer">Rules</span> <div class="answerBar"> <div id="quizBarC" class="quizBar"></div><span id="quizPercC" class="quizperc">0%</span> </div> </div> </div> <div id="ansButtonD" class="answerButton activeButton" data-answer="Dnum" data-date="2024-11-27"><span class="ansLetter">D</span> <div class="answerCell"><span id="answerD" class="quizAnswer">Paths</span> <div class="answerBar"> <div id="quizBarD" class="quizBar"></div><span id="quizPercD" class="quizperc">0%</span> </div> </div> </div> <div class="quizResult"><div class="qmsg"> <b class="quizPass">Correct!</b> <b class="quizFail">Incorrect!</b> &nbsp; <span class="customMessage"></span>&nbsp; View the <a href="/definition/filter">Filter definition</a>.</div> <a href="/quiz/#morequizzes" class="quizNext btnprimary">More Quizzes →</a> </div> </div> </div> </div> </div> <div id="right"> <div class="card listBox"> <h2 class="heading">Recently Added Terms</h2> <ol> <li><a href="/definition/trs">TRS</a></li> <li><a href="/definition/xlr">XLR</a></li> <li><a href="/definition/copilot">Copilot</a></li> <li><a href="/definition/msp">MSP</a></li> <li><a href="/definition/cve">CVE</a></li> <li><a href="/definition/user_account">User Account</a></li> <li><a href="/definition/ctv">CTV</a></li> <li><a href="/definition/ipsec">IPsec</a></li> <li><a href="/definition/advertising_id">Advertising ID</a></li> <li><a href="/definition/prefetch">Prefetch</a></li> </ol> </div> <div class="card listBox"> <h2 class="heading">Recently Updated</h2> <ol> <li><a href="/definition/y2k">Y2K</a></li> <li><a href="/definition/veronica">Veronica</a></li> <li><a href="/definition/php">PHP</a></li> <li><a href="/definition/gopher">Gopher</a></li> <li><a href="/definition/cleanroom">Cleanroom</a></li> <li><a href="/definition/ivr">IVR</a></li> <li><a href="/definition/online">Online</a></li> <li><a href="/definition/configuration">Configuration</a></li> <li><a href="/definition/itunes">iTunes</a></li> <li><a href="/definition/frame">Frame</a></li> </ol> </div> </div> </div> </div> <div class="homesecondary"> <div class="homecontent"> <div class="homecols"> <div class="left"> <h2 class="heading">About TechTerms.com</h2> <p>TechTerms.com is a free online dictionary of computer and Internet terms. Each definition is written using everyday language, to make technical terms and advanced concepts easy to understand. <a href="/about">Learn more about TechTerms.com</a>.</p> <p>Get the Tech Terms App:</p> <div class="apps"> <a href="https://apps.apple.com/us/app/tech-terms/id923672016?ls=1&at=11l68F"><img src="https://techterms.com/img/main/app_store.png" alt="Tech Terms for iOS" class="appstore"></a> <a href="https://play.google.com/store/apps/details?id=com.sharpened.techterms"><img src="https://techterms.com/img/main/google_play.png" alt="Tech Terms Computer Dictionary for Android" class="appstore"></a> </div> <h2 class="heading">Related Sites</h2> <div class="promobuttons"> <a href="https://fileinfo.com" class="fi"> <img src="/svg/home/fileinfo.svg" alt="FileInfo.com" width="48" height="48"> <span class="ptitle">FileInfo.com</span> <span class="pdesc">The File Information Database</span> </a> <a href="https://slang.net" class="sl"> <img src="/svg/home/slang.svg" alt="Slang.net" width="48" height="48"> <span class="ptitle">Slang.net</span> <span class="pdesc">The Slang Dictionary</span> </a> </div> <h2 class="heading">TechTerms Newsletter</h2> <p>Subscribe to the daily or weekly newsletter and get featured terms and quizzes delivered to your inbox.</p> <button id="ttn_open" class="btnprimary">Subscribe</button> </div> <div class="right"> <h2 class="heading">Recent Updates</h2> <ul class="recent"> <li><span class="udate">October 1, 2024</span><span class="update">Published <a href="/quiz/general/medium/2024/4">new quizzes</a> for Q4 2024</span></li> <li><span class="udate">October 1, 2024</span><span class="update">Version 2.2 of the <a href="/help/android_app">Tech Terms Dictionary Android app</a> is now available.</span></li> <li><span class="udate">September 28, 2024</span><span class="update">Version 2.2 of the <a href="/help/ios_app">Tech Terms Dictionary iOS app</a> is now available.</span></li> <li><span class="udate">July 1, 2024</span><span class="update">Published <a href="/quiz/general/medium/2024/3">new quizzes</a> for Q3 2024</span></li> <li><span class="udate">April 1, 2024</span><span class="update">Published <a href="/quiz/general/medium/2024/2">new quizzes</a> for Q2 2024</span></li> <li><span class="udate">January 1, 2024</span><span class="update">Published <a href="/quiz/general/medium/2024/1">new quizzes</a> for Q1 2024</span></li> </ul> </div> </div> </div> </div> </article> </div> <div class="popupwrapper"> <div id="newsletter_popup"> <button class="close">×</button> <div id="ttnform"> <h3 class="heading">Sign up for the free TechTerms&nbsp;Newsletter</h3> <form id="subscribe"> <div class="field"><label for="newsletter_email">Email (required):</label> <input type="email" id="newsletter_email" name="newsletter_email" required aria-label="email address"> </div> <div class="row1"> <div class="field"><label for="first_name">First Name:</label> <input type="text" name="first_name" id="first_name"></div> <div class="field"><label for="first_name">Last Name:</label> <input type="text" name="last_name" id="last_name"></div> </div> <fieldset class="row2"> <legend>How often would you like to receive an email?</legend> <input type="radio" name="frequency" id="daily" value="d" checked><label for="daily">Daily</label> <input type="radio" name="frequency" id="weekly" value="w"><label for="weekly">Weekly (Every Tuesday)</label> <input type="text" id="newsletter_message" name="message" class="cfieldhid" aria-hidden="true" aria-label="If you are a human, please do not fill in this field." tabindex="-1"> </fieldset> <input type="submit" class="btnprimary" value="Subscribe"> <div id="ttnerror"> </div> <p>You can unsubscribe or change your frequency setting at any time using the links available in each email.<br><br>Questions? 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