[[Machine code|Machine Code]], also known as native code, is a program which is written in machine language. Machine code compromises ofcomprises [[hexadecimal]] or [[Binary number|binary]] instructions.<ref>{{Cite web|url=https://marketbusinessnews.com/financial-glossary/machine-code/|title=What is machine code? Definition and examples|website=Market Business News|language=en-US|access-date=2019-11-23}}</ref> These [[Instruction Sets|instruction sets]] are than interpreted by the computer. With this, there is no need for translation. machine code is strictly numerical and usually isn't what programmers program in, due to this complex nature.<ref>{{Cite web|url=https://marketbusinessnews.com/financial-glossary/machine-code/|title=What is machine code? Definition and examples|website=Market Business News|language=en-US|access-date=2019-11-23}}</ref> Machine code is also as close as you can get to the [[Processor (computing)|processor]], so using this language, you are programming specifically for that processor as machine code for each processor may differ.<ref>{{Cite web|url=https://www.webopedia.com/TERM/M/machine_language.html|title=What is Machine Language? Webopedia Definition|last=Beal|first=Vangie|website=www.webopedia.com|language=en|access-date=2019-11-23}}</ref> Typically [[programmer]]s will code in [[High-level programming language|high-level languages]] such as [[Java (programming language)|Java]], which gets gets translated into [[Assembly language|assembly code]], which than translates it into machine code. Since each [[Central processing unit|CPU]] is different, programs need to be recompiled or rewritten in order to work on that CPU.<ref>{{Cite book|url=https://books.google.com/books?id=b5x_NHo5g2oC&pg=PA365&lpg=PA365&dq=Programs+must+be+rewritten+or+recompiled,+therefore,+to+run+on+different+types+of+computers.&source=bl&ots=rdcQxQuyq_&sig=ACfU3U2f8O7PoqpvrXOfdA7eCZl6i_Iqpw&hl=en&ppis=_e&sa=X&ved=2ahUKEwjDwMjhvv_lAhVMeawKHVghDQcQ6AEwAHoECAYQAQ#v=onepage&q=Programs%20must%20be%20rewritten%20or%20recompiled,%20therefore,%20to%20run%20on%20different%20types%20of%20computers.&f=false|title=Information Technology in Business|last=Manzoor|first=Amir|date=2012-03-19|publisher=Amir Manzoor|isbn=978-1-4699-9188-7|language=en}}</ref>
