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- Instruction_unit abstract "The instruction unit (IU) in a central processing unit (CPU) is responsible for organising program instructions to be fetched from memory, and executed, in an appropriate order. It is a part of the control unit, which in turn is part of the CPU.In the simplest style of computer architecture, the instruction cycle is very rigid, and runs exactly as specified by the programmer.In the Instruction Fetch part of the cycle,the contents of the program counter (PC) register are placed on the address bus, and sent to the memory unit;the memory unit returns the instruction at that address, and it is latched into the Instruction Register (IR);and the contents of the PC are incremented or over-written by a new value (in the case of a Jump or Branch instruction) ready for the next instruction cycle.This becomes a lot more complicated, though, once performance-enhancing features are added, such as instruction pipelining, out-of-order execution, and even just the introduction of a simple instruction cache.".
- Instruction_unit wikiPageID "5915421".
- Instruction_unit wikiPageLength "2001".
- Instruction_unit wikiPageOutDegree "26".
- Instruction_unit wikiPageRevisionID "551845533".
- Instruction_unit wikiPageWikiLink Address_bus.
- Instruction_unit wikiPageWikiLink Branch_delay_slot.
- Instruction_unit wikiPageWikiLink Branch_prediction.
- Instruction_unit wikiPageWikiLink Branch_predictor.
- Instruction_unit wikiPageWikiLink Branch_target_predictor.
- Instruction_unit wikiPageWikiLink CPU_cache.
- Instruction_unit wikiPageWikiLink Category:Central_processing_unit.
- Instruction_unit wikiPageWikiLink Central_processing_unit.
- Instruction_unit wikiPageWikiLink Computer_architecture.
- Instruction_unit wikiPageWikiLink Computer_memory.
- Instruction_unit wikiPageWikiLink Control_unit.
- Instruction_unit wikiPageWikiLink Data_dependency.
- Instruction_unit wikiPageWikiLink Data_hazard.
- Instruction_unit wikiPageWikiLink Delay_slot.
- Instruction_unit wikiPageWikiLink Hazard_(computer_architecture).
- Instruction_unit wikiPageWikiLink Instruction_cycle.
- Instruction_unit wikiPageWikiLink Instruction_path_length.
- Instruction_unit wikiPageWikiLink Instruction_pipeline.
- Instruction_unit wikiPageWikiLink Instruction_register.
- Instruction_unit wikiPageWikiLink Instruction_scheduling.
- Instruction_unit wikiPageWikiLink Instruction_selection.
- Instruction_unit wikiPageWikiLink Opcode.
- Instruction_unit wikiPageWikiLink Out-of-order_execution.
- Instruction_unit wikiPageWikiLink Prefetch_buffer.
- Instruction_unit wikiPageWikiLink Program_counter.
- Instruction_unit wikiPageWikiLink Programmer.
- Instruction_unit wikiPageWikiLink Scoreboarding.
- Instruction_unit wikiPageWikiLink Superscalar.
- Instruction_unit wikiPageWikiLink Superscalar_processor.
- Instruction_unit wikiPageWikiLink Very_long_instruction_word.
- Instruction_unit wikiPageWikiLinkText "Instruction unit".
- Instruction_unit wikiPageWikiLinkText "instruction unit".
- Instruction_unit hasPhotoCollection Instruction_unit.
- Instruction_unit wikiPageUsesTemplate Template:Microcompu-stub.
- Instruction_unit wikiPageUsesTemplate Template:Reflist.
- Instruction_unit subject Category:Central_processing_unit.
- Instruction_unit type Microcomputer.
- Instruction_unit type Microcontroller.
- Instruction_unit comment "The instruction unit (IU) in a central processing unit (CPU) is responsible for organising program instructions to be fetched from memory, and executed, in an appropriate order.".
- Instruction_unit label "Instruction unit".
- Instruction_unit sameAs m.0fdbq_.
- Instruction_unit sameAs Q6041767.
- Instruction_unit sameAs Q6041767.
- Instruction_unit wasDerivedFrom Instruction_unit?oldid=551845533.
- Instruction_unit isPrimaryTopicOf Instruction_unit.