central processing unit in computer organization and architecture

Ebook Fundamentals of computer organization and architecture (2005)

William Stallings Computer Organization and Architecture P1

... module issuing the interrupt?Đ How do you deal with multiple interrupts?ã i.e. an interrupt handler being interrupted Input/Output ProblemsĐ Wide variety of peripheralsã Delivering different ... free(Re)SelectionCommand,Data, Status,MessageReset ISA Bus Interrupt SystemĐ ISA bus chains two 8259As togetherĐ Link is via interrupt 2Đ Gives 15 linesã 16 lines less one for linkĐ IRQ 9 is ... keyboardĐ Machine readableã Monitoring and controlĐ Communicationã Modemã Network Interface Card (NIC) Small Computer Systems Interface (SCSI)Đ Parallel interfaceĐ 8, 16, 32 bit data linesĐ...

Tài liệu William Stallings Computer Organization and Architecture P2 pptx

Danh mục: Quản trị mạng

... programsã Swapping Advantages of SegmentationĐ Simplifies handling of growing data structuresĐ Allows programs to be altered and recompiled independently, without re-linking and re-loadingĐ Lends ... process will load into the same place in memoryĐ Instructions contain addressesã Locations of dataã Addresses for instructions (branching)Đ Logical address - relative to beginning of programĐ ... process and bring in anotherĐ New process may be smaller than swapped out processĐ Another hole Key Elements of O/S PartitioningĐ Splitting memory into sections to allocate to processes (including...

Tài liệu William Stallings Computer Organization and Architecture P4 docx

Danh mục: Quản trị mạng

... branchã Testing data, status of computation (zero, overflow)ã Branch to some location depending on decision William Stallings Computer Organization and Architecture Chapter 9Instruction ... fetch next instructionã On most case, next instruction to be fetched immediately follows current instruction Specific Data TypesĐ General - arbitrary binary contentsĐ Integer - single binary ... valueĐ Ordinal - unsigned integerĐ Unpacked BCD - One digit per byteĐ Packed BCD - 2 BCD digits per byteĐ Near Pointer - 32 bit offset within segmentĐ Bit fieldĐ Byte StringĐ Floating Point...

Tài liệu William Stallings Computer Organization and Architecture P5 pptx

Danh mục: Quản trị mạng

... off between powerful instruction repertoire and saving space Indirect Addressing DiagramAddress AOpcodeInstructionMemoryOperandPointer to operand Indirect Addressing (2)Đ Large address ... programming or compiler writingã N.B. C programming ỹregister int a;Đ c.f. Direct addressing Register Addressing (1)Đ Operand is held in register named in address filedĐ EA = RĐ Operand = ... versa Indirect Addressing (1)Đ Memory cell pointed to by address field contains the address of (pointer to) the operandĐ EA = (A)ã Look in A, find address (A) and look there for operandĐ...

Tài liệu William Stallings Computer Organization and Architecture P6 pptx

Danh mục: Quản trị mạng

... main memoryĐ Can fetch next instruction during execution of current instructionĐ Called instruction prefetch Example Register Organizations Data Flow (Data Fetch)Đ IR is examinedĐ If indirect ... pipelineĐ Check buffer before fetching from memoryĐ Very good for small loops or jumpsĐ c.f. cacheĐ Used by CRAY-1 PipeliningĐ Fetch instructionĐ Decode instructionĐ Calculate operands ... operandsĐ Execute instructionsĐ Write resultĐ Overlap these operations Data Flow (Execute)Đ May take many formsĐ Depends on instruction being executedĐ May includeã Memory read/writeã Input/Outputã...

Computer Organization and Architecture - Chapter 1: Introduction pot

Danh mục: Tin học văn phòng

... average; SW average Structure - Top Level Computer Main MemoryInputOutputSystemsInterconnectionPeripheralsCommunicationlines Central Processing Unit Computer ... toward a designing a modular system:—Top down—Bottom up William Stallings Computer Organization and Architecture 7th EditionChapter 1Introduction Outline of the Book (1)ã Computer Evolution ... The CPU Computer Arithmetic and Login Unit Control Unit Internal CPUInterconnectionRegistersCPUI/OMemorySystemBusCPU Internet Resources- Web site for bookãhttp://WilliamStallings.com/COA/COA7e.htmllinks...

Computer Organization and Architecture phần 1 pps

Danh mục: Quản trị mạng

... Computer Organization and Architecture 5th Edition, 2000 by William Stallings Summary For junior/senior/graduate-level courses in Computer Organization and Architecture in the Computer ... turn. Part Three— The central processing unit: The CPU consists of a control unit, registers, the arithmetic and logic unit, the instruction execution unit, and the interconnections among these ... underlying integrated circuit technology used to construct computer components, to the increasing use of parallel organization concepts in combining those components. In spite of the variety and...

Computer Organization and Architecture phần 2 potx

Danh mục: Quản trị mạng

... http://www.di.uminho.pt William Stallings, Computer Organization and Architecture , 5th Ed., 2000 Computer Function (3.2) ã Processing required for a single instruction is called an instruction ... System Pins - includes clock and reset Đ Address and Data Pins - 32 time-multiplexed lines for addresses and data, plus lines to interpret and validate these Đ Interface Control Pins - control ... remain pending and are handled sequentially o Can be handled by prioritizing interrupts, allowing a higher priority interrupt to interrupt one of lower priority ã Physical Interrupts o Interrupts...

Computer Organization and Architecture phần 3 potx

Danh mục: Quản trị mạng

... Universidade do Minho – Dep. Informática - Campus de Gualtar – 4710-057 Braga - PORTUGAL- http://www.di.uminho.pt William Stallings, Computer Organization and Architecture, 5th Ed., 2000 Đ Inversely ... do Minho – Dep. Informática - Campus de Gualtar – 4710-057 Braga - PORTUGAL- http://www.di.uminho.pt William Stallings, Computer Organization and Architecture, 5th Ed., 2000 ã Chip Packaging ... to signal the initiator that there will not be new data during the coming cycle. Accordingly, the initiator does not read the data lines at the beginning of the 5th clock cycle and does not...

Computer Organization and Architecture phần 4 pptx

Danh mục: Quản trị mạng

... main memory and is not present in any other cache Đ Shared - The line in the cache is the same as that in main memory and may be present in another cache Đ Invalid - The line in the cache ... Each line can be in one of 4 states: Đ Modified - The line in the cache has been modified and is available only in this cache Đ Exclusive - The line in the cache is the same as that in main memory ... Universidade do Minho – Dep. Informática - Campus de Gualtar – 4710-057 Braga - PORTUGAL- http://www.di.uminho.pt William Stallings, Computer Organization and Architecture , 5th Ed., 2000 o In a split...

Computer Organization and Architecture phần 5 pps

Danh mục: Quản trị mạng

... http://www.di.uminho.pt William Stallings, Computer Organization and Architecture , 5th Ed., 2000 III. THE CENTRAL PROCESSING UNIT. 8. Computer Arithmetic. (19-Apr-99) Integer Representation ... Pointers - starting and ending points of the process in memory (used for memory management ã Context Data - processor register values ã The OS maintains state information for each process in ... Minho – Dep. Informática - Campus de Gualtar – 4710-057 Braga - PORTUGAL- http://www.di.uminho.pt William Stallings, Computer Organization and Architecture , 5th Ed., 2000 o DMA module handles...

Computer Organization and Architecture phần 6 ppsx

Danh mục: Quản trị mạng

... IEEE Standard for Floating Point Arithmetic o Infinity Đ Most operations involving infinity yield infinity Đ Signs obey usual laws Đ -infinity -infinity yields -infinity and +infinity +infinity ... infinity and -infinity Đ Result is rounded up toward positive infinity or Result is rounded down toward negative infinity Đ Useful in implementing interval arithmetic * every calculation in ... loaded into MAR from the control unit o PC is loaded with address of interrupt routine (so next instruction cycle will begin by fetching appropriate instruction) Instruction Pipelining (11.4)...