![]() Know the main characteristics, purposes and suitability of the devices and understand their principles of operation.Objective: Explain the effect on processor performance of:.Learn It - Factors affecting processor performance.Learn It - Machine-code/assembly language operations.Understand and apply immediate and direct addressing modes.Know that instructions consist of an opcode and one or more operands (value, memory address or register).Understand the term ‘processor instruction set’ and know that an instruction set is processor specific.Learn It - The processor instruction set.Objective: Explain how the Fetch-Execute cycle is used to execute machine code programs, including the stages in the cycle (fetch, decode, execute) and details of registers used.Learn It - The Fetch-Execute cycle and the role of registers within it.Objective: Explain the role and operation of a processor and its major components:.Learn It - The processor and its components.Structure and role of the processor and its components Learn It - describe the stored program concept.Understand the concept of addressable memory.The von Neumann and Harvard architectures.Buses - data bus, control bus and address bus.Processor, ALU, Control Unit,Registers, Memory.Learn It - Internal hardware components of a computer.Internal hardware components of a computer
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