Fetch Decode Execute. This is the cycle that processors will follow. Fetch the Instruction, Decode it into machine code, Execute the commands
No. Fetch-decode-execute is a machine state time paradigm, not a philosophy used in coding.
4. 3 to fetch, and 1 to decode/process.
The Colossus was created to decode encrypted messages from Germany during World War Two using the infamous "Enigma" machine. For full rundown see Simon Singh's "The Code Book".
The machine used by the Allies to decode German messages during World War II was known as the Bombe. Developed by British mathematician Alan Turing and his team at Bletchley Park, the Bombe was designed to decipher the Enigma machine's encoded communications. This breakthrough significantly contributed to the Allies' intelligence efforts and ultimately played a crucial role in their victory.
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The computer history most likely started with the first calculators that took up whole rooms and more importantly, the machine that Alan Turing made to decode the ENGIMA machine.
How does a microprocessor decode?
The proper sequence of actions in a machine cycle typically includes fetch, decode, execute, and writeback. During fetch, the CPU retrieves instructions from memory. In decode, the CPU translates the instructions into signals the computer can understand. The execute stage involves actually carrying out the instruction, and writeback stores the result back into memory if needed.
The MOV A,B instruction requires 1 machine cycle and 4 T-states, 3 to fetch the opcode, and 1 to decode/execute it.
Decode is a verb.
The Enigma was used to decode the Enigma. The British decoders at Bletchley Park during the Second World War used brain-power to try to crack the German codes. That is, until they got their hands on an Enigma machine which the Polish had captured.