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IBM PC keyboard
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<table><tbody><tr><th scope="col" colspan="25">IBM PC keyboard (<a href="/facts/Microsoft_Windows/bwhAhuSL">Windows</a>, <a href="/facts/American_National_Standards_Institute/p3d1TQCb">ANSI</a> US layout)<ul><li>v</li><li>t</li><li>e</li></ul></th></tr><tr><td><a href="/facts/Esc_key/ojBFIcWE">Esc</a></td><td></td><td><a href="/facts/Function_key/30YcfK7U">F1</a></td><td><a href="/facts/Function_key/30YcfK7U">F2</a></td><td><a href="/facts/Function_key/30YcfK7U">F3</a></td><td><a href="/facts/Function_key/30YcfK7U">F4</a></td><td></td><td><a href="/facts/Function_key/30YcfK7U">F5</a></td><td><a href="/facts/Function_key/30YcfK7U">F6</a></td><td><a href="/facts/Function_key/30YcfK7U">F7</a></td><td><a href="/facts/Function_key/30YcfK7U">F8</a></td><td></td><td><a href="/facts/Function_key/30YcfK7U">F9</a></td><td><a href="/facts/Function_key/30YcfK7U">F10</a></td><td><a href="/facts/Function_key/30YcfK7U">F11</a></td><td><a href="/facts/Function_key/30YcfK7U">F12</a></td><td></td><td><a href="/facts/Print_Screen/2NFbD56t">PrtScn</a>/<a href="/facts/System_request/urQQ2Gve">SysRq</a></td><td><a href="/facts/Scroll_Lock/3g3kyD9m">ScrollLock</a></td><td><a href="/facts/Break_key/PwqUHSsm">Pause</a>/<a href="/facts/Break_key/PwqUHSsm">Break</a></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td colspan="16"></td><td></td><td colspan="3"></td><td></td><td colspan="4"></td></tr><tr><td colspan="16" rowspan="5"></td><td rowspan="5"></td><td><a href="/facts/Insert_key/ekEayhyG">Insert</a></td><td><a href="/facts/Home_key/9DerMuxf">Home</a></td><td><a href="/facts/Page_Up_and_Page_Down_keys/h45Ly1JI">PgUp</a></td><td rowspan="5"></td><td><a href="/facts/Num_lock/xISJyA7h">NumLock</a></td><td><a href="/facts/Slash_(punctuation)/fuaRyKzc">∕</a></td><td><a href="/facts/Asterisk/qwmtPW5V">∗</a></td><td><a href="/facts/Minus_sign/6RJD4Xt9">−</a></td></tr><tr><td><a href="/facts/Delete_key/4UzvEgvN">Delete</a></td><td><a href="/facts/End_key/4TadlDDJ">End</a></td><td><a href="/facts/Page_Up_and_Page_Down_keys/h45Ly1JI">PgDn</a></td><td><a href="/facts/7/4GV2hz09">7</a></td><td><a href="/facts/8/bH7jHJDg">8</a></td><td><a href="/facts/9/d6SoCnze">9</a></td><td rowspan="2"><a href="/facts/Plus_sign/6RJD4Xt9">+</a></td></tr><tr><td></td><td></td><td></td><td><a href="/facts/4/d6SoCnze">4</a></td><td><a href="/facts/5/d6SoCnze">5</a></td><td><a href="/facts/6/d6SoCnze">6</a></td></tr><tr><td></td><td><a href="/facts/Arrow_keys/N3I7nswn">↑</a></td><td></td><td><a href="/facts/1/d6SoCnze">1</a></td><td><a href="/facts/2/d6SoCnze">2</a></td><td><a href="/facts/3/11oMY3Hn">3</a></td><td rowspan="2"><a href="/facts/Enter_key/bglB8wv0">Enter</a></td></tr><tr><td><a href="/facts/Arrow_keys/N3I7nswn">←</a></td><td><a href="/facts/Arrow_keys/N3I7nswn">↓</a></td><td><a href="/facts/Arrow_keys/N3I7nswn">→</a></td><td colspan="2"> <a href="/facts/0/4NBRtKHc">0</a> <a href="/facts/Insert_key/ekEayhyG">Ins</a></td><td> <a href="/facts/Decimal_separator/t6ocVouk">.</a> <a href="/facts/Delete_key/4UzvEgvN">Del</a></td></tr></tbody></table> <p>The <a href="/facts/Keyboard_(computing)/MczF9LIS">keyboard</a> for <a href="/facts/IBM_PC-compatible/zGUpl7Sh">IBM PC-compatible</a> computers is standardized. However, during the more than 30 years of PC architecture being frequently updated, many <a href="/facts/Keyboard_layout/6aYkBXuK">keyboard layout</a> variations have been developed. </p><p>A well-known class of IBM PC keyboards is the <a href="/facts/Model_M_keyboard/WLwbgCQE">Model M</a>. Introduced in 1984 and manufactured by <a href="/facts/IBM/QszA7nwd">IBM</a>, <a href="/facts/Lexmark/sfqCWvK9">Lexmark</a>, Maxi-Switch and <a href="/facts/Unicomp/NYPVfH0v">Unicomp</a>, the vast majority of Model M keyboards feature a <a href="/facts/Buckling_spring/Ue2z5tHY">buckling spring</a> key design and many have fully swappable <a href="/facts/Keycap/z6BsNn8v">keycaps</a>. </p>