Unit V: Instruction Cycle – Microprocessors

Unit V: Instruction Cycle – Microprocessors

The basic operation cycle of a computer is the instruction cycle (also known as the fetch-decode-execute cycle). It is the procedure by which a computer gets a program instruction from its memory, identifies the actions required by the instruction, and executes those actions. From the time the computer starts to the time it shuts down, the central processing unit (CPU) repeats this cycle indefinitely.

Instruction Cycle – Microprocessors

In this “Instruction Cycle – Microprocessors ” you will learn about the following topics:

  1. Common Terminologies
  2. T State, Instruction Cycle, Fetch Cycle, Execution Cycle, Machine Cycle
  3. Instruction Cycle
  4. Steps in Instruction Cycle
  5. Step 1: Fetch the Instruction
  6. Step 2: Decode the Instruction
  7. Step 3: Read the Effective Address
  8. Step 4: Execute the Instruction
  9. Fetch Cycle
  10. Decode, Execute
  11. Machine Cycle Status and Control Signals
  12. Interrupt Cycle

========== Point to Note ==========

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BCA 3rd Semester Microprocessors Notes Pdf:

Unit I: Introduction to Microprocessor - Microprocessors

Unit II: Basic Computer Architecture - Microprocessors

Unit III: Simple As Possible - 2(SAP-2) - Microprocessors

Unit IV: Intel 8085 - Microprocessors

Unit VI: Basic Input/output and Read/write Operation - Microprocessors

Unit VII: Digital Interface - Microprocessors

Unit VIII: Input and Output Interfaces - Microprocessors

Unit IX: Overview of Intel 8086 - Microprocessors

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