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How is the instructions and memory address represented? 

  • A.By parity bit
  • B.By character code
  • C.By binary codes
  • D.By binary words

Answer: C

Correct answer: By binary codes

Everything inside the machine is held as patterns of bits, so both the operation to be performed and the address it refers to are represented by binary codes. A parity bit checks for error and a character code represents text, neither of which is what an instruction is made of.

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