This document discusses CPU organization and instruction sets. It covers the purpose of instructions which is to specify an operation for the CPU to perform using operands. Instructions contain an operation code and operands that can be register addresses, memory locations, or values. The document also mentions CISC and RISC instruction sets and provides examples of the 680X0 (CISC) and MIPS (RISC) instruction sets.

1. 975002516 王賜恩

2. overview
 CPU Organization
 Data Representation
Instruction Sets
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3. Instruction Formats
 The purpose
-an operation to be carried out by a CPU/processor
-the set of operands/data to be used in the operation
X1:=op(X1, X2, …, Xn)
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op X1, X2, …, Xn
↓operandsaddresses /register/memory location(value)

4. 3
CISC RISC

5. Expample
 680X0(CISC)
 MIPS(RISC)
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