The architecture of the particular processor determines how instructions are patterned.

If instructions for a particular processor are 8 bits, for example, the first 4 bits part (the opcode) tells the computer what to do and the second 4 bits (the operand) tells the computer what data to use.Ġ1001000 01100101 01101100 01101100 01101111 00100001ĭepending upon the processor, a computer's instruction sets may all be the same length, or they may vary, depending upon the specific instruction. Instructions are comprised of a certain number of bits. The processor reads and handles instructions, which tell the CPU to perform a simple task. Ultimately, the source code of every human-readable programming language must be translated to machine language by a compiler or an interpreter, becauseĬode is the only language that computer hardware can understand.Įach CPU has its own specific machine language. It is read by the computer's central processing unit ( CPU), is composed of digital binary numbers and looks like a very long sequence of zeros and ones. Machine code, also known as machine language, is the elemental language of computers.

Writing program in machine language is