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Authors:
Linda Null ,julia Lobur
Chapter:
Marie An Introduction To A Simple Computer
Exercise:
True Or False
Question:8 | ISBN:9780763704445 | Edition: 3

Question

If a computer uses micro-programmed control, the micro-program determines the instruction set for the machine.

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Answer

The correct choice is: "False"

 

Explanation:

 

  • In a computer that uses micro-programmed control, the micro-program is responsible for controlling the sequencing and execution of micro-operations within the processor. However, the micro-program itself does not determine the instruction set for the machine.
  • The instruction set, which defines the set of instructions that a processor can understand and execute, is typically fixed and determined by the hardware design of the processor. It specifies the operations and data manipulation capabilities of the processor, including arithmetic operations, data movement, control flow, and other functionality.
  • Micro-programmed control allows for the implementation of complex instruction execution through the use of microcode. The microcode, stored in control memory, provides a lower-level program that interprets and executes the instructions defined by the instruction set. The micro-program controls the sequence of micro-operations required to execute each instruction.

Hence, while micro-programmed control influences the execution of instructions within the processor, it does not determine or define the instruction set for the machine. The instruction set is typically determined by the hardware design and is fixed for a given processor architecture.

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