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TechTerms.com - The Computer Dictionary

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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. router, dongle)" 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. router, dongle)" 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/easy/2025/2" 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; April 5</span> <a href="/definition/tls" class="daily"><h3>TLS</h3></a> <div class="typesnippet"> <p class="homeDef">Stands for "Transport Layer Security." TLS is a data encryption technology that provides secure data transfers. It encrypts (or scrambles) all data sent from one system to another. Any third party that attempts to "eavesdrop" on the transfer will ... <a href="/definition/tls">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="2025-04-04"> View Previous Terms</a> </div> </div> <h2 class="heading">Today's Quiz Question</h2> <div class="quizBox"> <div class="quizBody"> <p class="quizQuestion">The term "slashdotted" was coined in what decade?</p> <div class="quizTable"> <div id="ansButtonA" class="answerButton activeButton" data-answer="Anum" data-date="2025-04-05"><span class="ansLetter">A</span> <div class="answerCell"><span id="answerA" class="quizAnswer">1960s</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="2025-04-05"><span class="ansLetter">B</span> <div class="answerCell"><span id="answerB" class="quizAnswer">1970s</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="2025-04-05"><span class="ansLetter">C</span> <div class="answerCell"><span id="answerC" class="quizAnswer">1980s</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="2025-04-05"><span class="ansLetter">D</span> <div class="answerCell"><span id="answerD" class="quizAnswer">1990s</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/slashdot">Slashdot 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/integrated_circuit">Integrated Circuit</a></li> <li><a href="/definition/system_software">System Software</a></li> <li><a href="/definition/icf">ICF</a></li> <li><a href="/definition/minidv">MiniDV</a></li> <li><a href="/definition/vci">VCI</a></li> <li><a href="/definition/web_host">Web Host</a></li> <li><a href="/definition/tiger">Tiger</a></li> <li><a href="/definition/syntax_error">Syntax Error</a></li> <li><a href="/definition/debugger">Debugger</a></li> <li><a href="/definition/mca">MCA</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">April 1, 2025</span><span class="update">Published <a href="/quiz/general/medium/2025/2">new quizzes</a> for Q2 2025</span></li> <li><span class="udate">January 1, 2025</span><span class="update">Published <a href="/quiz/general/medium/2025/1">new quizzes</a> for Q1 2025</span></li> <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> </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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