A computer system consists of hardware, system programs, and application programs figs 6
A computer system consists of hardware, system programs, and application programs figs 1
... program and dataUser program and dataOperating System Address0xFFFFFFFFLimitBase0 (a) User-2 dataUser-1 dataUser programOperating System Base-2Limit-2Limit-2Limit-1Base-2Base-1(b)Limit-1Base-1 ... model in a distributed system. Banking system AirlinereservationOperating system WebbrowserCompilers Editors Application programs Hardware System programs CommandinterpreterMachine language ... programs Hardware System programs CommandinterpreterMachine language MicroarchitecturePhysical devicesFig. 1-1. A computer system consists of hardware, system pro-grams, and application programs. Exp. Explicit Prefix Exp. Explicit...
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A computer system consists of hardware, system programs, and application programs figs 2
... of a global vari-able.Thread 1'scodeThread 2'scodeThread 1'sstackThread 2'sstackThread 1'sglobalsThread 2'sglobalsFig. 2-17. Threads can have private ... equal. Now we are engaged in a great civil war testing whether that nation, or any nation so conceived and so dedicated, can long endure. We are met on a great battlefield of that war. ... cache(&buf, &page);} if (page not in cache(&page))read page from disk(&buf, &page);return page(&page);} (a) (b)Fig. 2-11. A rough outline of the code for Fig. 2-10. (a) Dispatcherthread....
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A computer system consists of hardware, system programs, and application programs figs 3
... Demonstration that the state in (a) is safe. A BC322947Free: 3 (a) A BC422947Free: 2(b) A BC44 —4297Free: 0(c) A BC4—297Free: 4(d)Has Max Has Max Has Max Has MaxFig. ... 3-10. Demonstration that the state in (b) is not safe. A BCD0000 6 Has Max547Free: 10 A BCD1124 6 Has Max547Free: 2 A BCD1224 6 Has Max547Free: 1 (a) (b) (c)Fig. ... everythingHold and wait Request all resources initiallyNo preemption Take resources awayCircular wait Order resources numericallyFig. 3-14. Summary of approaches to deadlock prevention.3DEADLOCKS3.1...
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A computer system consists of hardware, system programs, and application programs figs 4
... vector. (a) (b) (c) A0 A1 A2 A3 A4 A5 B0B1B2B3B4B5B6C1C2C3 A0 A1 A2 A3 A4 A6 B0B1B2B3B4B5B6C1C2C3 A0 A1 A2 A3 A4 A5 B0B1B2 A6 B4B5B6C1C2C3Age10754 6 394 6 25 6 1235 6 Fig. ... possibilities also exist.Page faults/secNumber of page frames assigned A BFig. 4-29. Page fault rate as a function of the number of pageframes assigned.Single addressspace2320DataProgram (a) I ... virtualpage0Indexedby hash onvirtual pageVirtualpagePageframeFig. 4-15. Comparison of a traditional page table with an invertedpage table. (a) Page loaded firstMost recentlyloaded page0 A 3B7C8D12E14F15G18H(b)A...
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A computer system consists of hardware, system programs, and application programs figs 5
... 5- 16. Layers of the I/O system and the main functions of eachlayer.Parameter IBM 360 -KB floppy disk WD 18300 hard diskNumber of cylinders 40 1 060 1Tracks per cylinder 2 12Sectors per track ... RAID levels 0 through 5. Backup and parity drives areshown shaded.Spiral groovePitLand2K block of user dataFig. 5-20. Recording structure of a compact disc or CD-ROM.PreambleBytes 16 Data2048 ... laser whenwriting1.2 mmDyePolycarbonateFig. 5-22. Cross section of a CD-R disk and laser (not to scale). A silver CD-ROM has a similar structure, except without the dyelayer and with a...
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A computer system consists of hardware, system programs, and application programs figs 6
... 16KDisk space utilization(percent)Data rate (KB/sec)Disk space utilizationData rateBlock size (bytes)Fig. 6- 20. The solid curve (left-hand scale) gives the data rate of a disk. The dashed ... numbers 86 234897422140223223 160 1 26 14214110011011011011000110110111110111101011011011011001101101101110111110111011101111110110101000111100001110110101111011101101101111110010001110111101110111011101111101111101110111230 162 61 2342214 160 66 42 16 320180482421 36 2109741 63 2148 262 3105 16 Fig. 6- 21. (a) Storing the free list on a linked list. (b) A bitmap. (a) DiskMainmemory(b) (c)Fig. 6- 22. (a) An ... blockcontainingadditionaldisk addressesFig. 6- 15. An example i-node. (a) gamesmailnewsworkattributesattributesattributesattributesData structurecontaining theattributes(b)gamesmailnewsworkFig....
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A computer system consists of hardware, system programs, and application programs figs 7
... processes, each displaying a movie. Theframe rates and processing requirements per frame are differentfor each movie. A1 A1 A1 B1B1 A2 A2 A2 A3 A3 B3 A4 A3 B3 A4 A5 B4 A5 B4 A4 A5 B1 B2B2B2B3 ... video server A0 A1 A2 A3 A4 A5 A6 A7 B0B1B2B3B4B5B6B7C0C1C2C3C4C5C6C7D0D1D2D3D4D5D6D7 (a) A0 A4 B0B4C0C4D0D4 A1 A5 B1B5C1C5D1D5 A2 A6 B2B6C2C6D2D6 A3 A7 B3B7C3C7D3D7(b) A0 A4 B3B7C2C6D1D5 A1 A5 B0B4C3C7D2D6 A2 A6 B1B5C0C4D3D7 A3 A7 B2B6C1C5D0D4(c) A0 A6 B3B4C0C7D1D6 A2 A5 B1B7C2C6D2D5 A1 A4 B2B5C3C4D3D4 A3 A7 B0B6C1C5D0D7(d)1234 ... server A0 A1 A2 A3 A4 A5 A6 A7 B0B1B2B3B4B5B6B7C0C1C2C3C4C5C6C7D0D1D2D3D4D5D6D7 (a) A0 A4 B0B4C0C4D0D4 A1 A5 B1B5C1C5D1D5 A2 A6 B2B6C2C6D2D6 A3 A7 B3B7C3C7D3D7(b) A0 A4 B3B7C2C6D1D5 A1 A5 B0B4C3C7D2D6 A2 A6 B1B5C0C4D3D7 A3 A7 B2B6C1C5D0D4(c) A0 A6 B3B4C0C7D1D6 A2 A5 B1B7C2C6D2D5 A1 A4 B2B5C3C4D3D4 A3 A7 B0B6C1C5D0D7(d)1234...
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A computer system consists of hardware, system programs, and application programs figs 8
... 2Run-time system Operating system Shared memory Application HardwareRun-time system Operating system Application Hardware(b)Machine 1 Machine 2Run-time system Operating system Shared memory Application HardwareRun-time system Operating system Application Hardware(c)Machine ... memory Application HardwareRun-time system Operating system Application Hardware(c)Machine 1 Machine 2Run-time system Operating system Shared memory Application HardwareRun-time system Operating system Application HardwareFig. ... usingvariable A ABSharedpageCPU 2Code usingvariable B A BNetwork A and B are unrelatedshared variables that justhappen to be on the same pageFig. 8-24. False sharing of a page containing...
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A computer system consists of hardware, system programs, and application programs figs 9
... (b)After the procedure A has been called. (c) Buffer overflow shownin gray. (a) First page(in memory)Second page(not in memory)Pageboundary A A A A A A(b)B A A A A A (c)F A A A A A Fig. ... capability.Goal ThreatData confidentiality Exposure of dataData integrity Tampering with data System availability Denial of serviceFig. 9-1. Security goals and threats.User processAll system calls ... addr(b)SPVirtual address spaceBProgram(c)SPVirtual address spaceB A s localvariablesBuffer BMain’slocalvariablesReturn addr A s localvariablesFig. 9-11. (a) Situation when the main program...
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A computer system consists of hardware, system programs, and application programs figs 10
... parentAllocate child's stack and user areaFill child's user area from parentAllocate PID for childSet up child to share parent's textCopy page tables for data and stackSet up sharing ... Descriptions = brk(addr) Change data segment size a = mmap(addr, len, prot, flags, fd, offset) Map a file ins = unmap(addr, len) Unmap a fileFig. 10-15. Some system calls relating to memory management.The ... an error has occurred; a and addr arememory addresses, len is a length, prot controls protection, flagsare miscellaneous bits, fd is a file descriptor, and offset is a fileoffset.Page frame3Page...
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Từ khóa: flow of data and information in a computer system diagramflow of data instructions and information in a computer systembefore you read parts of a computer systemwhat happens to data and information in a computer systema computer generated model of the dna double helix b schematic showing the actual base pairs linked to each other hydrogen and the dark spheres represent carbon and oxygena computer generated model of a portion of cell membrane the light balloons are hydrophilic and the dark thin strands are hydrophobic the cylinder structures are channels for moving ions through the membranefigure30 7 a sample subnet mask consists of all binary 1s and 0sfigure30 11 a udp packet consists of four fieldssystem analysis and design methods whitten 6th editiona factor pricing model of exchange rates bonds and stocksturabian kate a manual for writers of term papers theses and dissertationskinase a common final path of various contractile bladder and ureter stimulihow to live a read a lot forget most of what you read and be slow witted3 year old female with a 12 hour onset of abdominal pain vomiting and fever of 38 5°c case 47câu 25 write a program to move read the content of location 33h in internal ram to register a using 2 methods of addressing direct addressing and indirect addressingNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI