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'''Machine code''' is a sequence of binary numbers that control a centeral processing unit([[CPU]]). On very early computers, machine code was the language used to program computers. In modern times, however, [[computer software]] is usually written in a higher level language such as C, Java, Fortran, and assembly language.
'''Machine code''' is a sequence of binary numbers that control a central processing unit ([[CPU]]). On very early computers, machine code was the language used to program computers. Since the 1960s, however, [[computer software]] is commonly written in a higher level language such as C, Java, Fortran, and assembly language.
For many CPUs, Machine code is generated from assembly langauge via an assembler, or sometimes directly from higher level languages such as C.
For many CPUs, Machine code is generated from assembly language via an assembler, or sometimes directly from higher level languages such as C.
== External links ==
== External links ==
*[http://computer.howstuffworks.com/microprocessor.htm How Microprocessors Work]
*[http://computer.howstuffworks.com/microprocessor.htm How Microprocessors Work]
[[Category:Computers]]
[[Category:Computers]]
[[category:software]]