13.1 Annotated Slides — Computation Structures¶
OpenCourseWare, M. (2026). 13.1 Annotated Slides — Computation Structures.
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Domain-specific¶
- Processor
- In a stored-program central processing unit, the program counter selects an instruction in memory, the control unit fetches and decodes it, registers or memory supply its operands, and the arithmetic-logic and other functional units execute it.
Supported in partVerified against the work's full text
The lecture's fetch-decode-read walkthrough supplies the program counter, opcode decoding, register operands and ALU execution stages the claim names.
“Each instruction requires the same processing steps: Fetch, where the 32-bit encoded instruction is read from main memory from the location specified by the program counter (PC). Decode, where the opcode field (instruction bits [31:26]) is used to determine the values for the datapath control signals. Read, where the contents of the registers specified by the RA and RB fields (instruction bits [20:16] and [15:11]) …”
- In a stored-program central processing unit, the program counter selects an instruction in memory, the control unit fetches and decodes it, registers or memory supply its operands, and the arithmetic-logic and other functional units execute it.
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