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24-bit computing
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<p>In <a href="/facts/Computer_architecture/tHtwxgR2">computer architecture</a>, 24-bit <a href="/facts/Integer_(computer_science)/zWabo5M9">integers</a>, <a href="/facts/Memory_address/7EsUmbea">memory addresses</a>, or other <a href="/facts/Data_(computing)/cPjfFHph">data</a> units are those that are 24 <a href="/facts/Bit/RwfjaYSv">bits</a> (3 octets) wide. Also, 24-bit <a href="/facts/Central_processing_unit/Jxp1bqMV">central processing unit</a> (CPU) and <a href="/facts/Arithmetic_logic_unit/SgIjPzSc">arithmetic logic unit</a> (ALU) architectures are those that are based on <a href="/facts/Processor_register/32RvbUdz">registers</a>, <a href="/facts/Address_bus/R45TKwS7">address buses</a>, or <a href="/facts/Bus_(computing)/R45TKwS7">data buses</a> of that size. </p><p>Notable 24-bit machines include the <a href="/facts/CDC_924/nw5vBQok">CDC 924</a> – a 24-bit version of the <a href="/facts/CDC_1604/nw5vBQok">CDC 1604</a>, <a href="/facts/CDC_3000/s4DQdR7Y">CDC lower 3000 series</a>, <a href="/facts/SDS_930/yxpIerIj">SDS 930</a> and <a href="/facts/SDS_940/sXGtoKny">SDS 940</a>, the <a href="/facts/ICT_1900_series/P5wtuSGU">ICT 1900 series</a>, the <a href="/facts/Elliott_Brothers_(computer_company)/rN9mTIhk">Elliott</a> 4100 series, and the Datacraft minicomputers/<a href="/facts/Harris_Computer_Systems/JCd4YWor">Harris</a> H series. </p><p>The term SWORD is sometimes used to describe a 24-bit data type with the S prefix referring to sesqui. </p><p>The range of unsigned integers that can be represented in 24 bits is 0 to 16,777,215 (FFFFFF16 in <a href="/facts/Hexadecimal/02ohQW22">hexadecimal</a>). The range of signed integers that can be represented in 24 bits is −8,388,608 to 8,388,607. </p>