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The chapter delves into control signals and timing sequences in microinstruction processing within a CPU. It explores the role of the control unit in generating commands for data transfer and arithmetic operations, utilizing inputs from instruction registers, flags, and control buses for effective synchronization and instruction execution. Key topics include the internal and external control signals, timing diagram representation, and the significance of synchronization in microoperations.
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References
ch16 part a.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Control Unit
Definition: The component of the CPU responsible for directing the operation of the processor's various parts by generating control signals.
Term: Timing Diagrams
Definition: Graphical representations that illustrate the timing relationships between various signals and operations within the CPU.
Term: Microinstructions
Definition: Low-level instructions executed by the control unit to perform complex operations represented by macroinstructions.
Term: Control Bus
Definition: A communication pathway that carries control signals from the control unit to other components like memory and I/O devices.
Term: Flags
Definition: Special register bits that indicate the status of operations in the CPU, used for operations like conditional jumps.