A computer system consists of hardware, system programs, and application programs figs 1
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 -1 Base-2Base -1 (b)Limit -1 Base -1 ... 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 Prefix 10 −30.0 01 ... OPERATING SYSTEMS 1. 3 THE OPERATING SYSTEM ZOO 1. 4 COMPUTER HARDWARE REVIEW 1. 5 OPERATING SYSTEM CONCEPTS 1. 6 SYSTEM CALLS 1. 7 OPERATING SYSTEM STRUCTURE 1. 8 RESEARCH ON OPERATING SYSTEMS 1. 9...
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A computer system consists of hardware, system programs, and application programs figs 2
... of a global vari-able.Thread 1& apos;scodeThread 2'scodeThread 1& apos;sstackThread 2'sstackThread 1& apos;sglobalsThread 2'sglobalsFig. 2 -17 . Threads can have private ... 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. ... 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....
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A computer system consists of hardware, system programs, and application programs figs 3
... allocation matrixC 11 C 21 Cn1C 12 C22Cn2C 13 C23Cn3C1mC2mCnmRow n is current allocationto process nResources available (A 1 , A 2, A 3, …, A m)Request matrixR 11 R 21 Rn1R 12 R22Rn2R 13 R23Rn3R1mR2mRnmRow ... (c)Fig. 3 -11 . Three resource allocation states: (a) Safe. (b) Safe.(c) Unsafe.ProcessTape drivesPlotters A BCDE30 1 100 1 1 1 0 1 0 1 00 1 00 1 0E = (6342)P = (5322) A = (10 20)Resources ... MaxFig. 3 -10 . Demonstration that the state in (b) is not safe. A BCD00006Has Max547Free: 10 A BCD 1 1246Has Max547Free: 2 A BCD 1 2246Has Max547Free: 1 (a) (b) (c)Fig....
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A computer system consists of hardware, system programs, and application programs figs 4
... algorithm. (a) 00000 1 10002 1 0003 1 0000 1 23Page(b)00 1 00 1 00002 1 1003 1 100Page(c)00 1 10 1 00 1 0200003 1 1 1 0Page(d)00 1 1 1 100 1 12000 1 30000Page(e)00 1 1 1 100 1 120000300 1 0(f)0 1 1 1 00000 1 000 1 10(g)0000 1 000 1 100 1 1 1 0(h)000 1 100 1 1 1 0 1 0000(i)00 1 1 1 0 1 1000000 1 0(j)00 1 1 1 0 1 1000 1 0000PageFig. ... 2 11 100000 11 0000000 010 0000 10 000000 011 00000 10 100000 1 1 0 1 0 1 (c)R bits forpages 0-5,clock tick 3 11 110 000 011 000000 010 0000 010 00000 10 110 000 010 10000 1 0 0 0 1 0(d)R bits forpages 0-5,clock tick 4 011 110 00 10 110 000 10 0 010 000 010 0000 010 110 000 010 10000 1 ... 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 B4B5B6C1C2C3Age 10 75463946256 12 356Fig....
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A computer system consists of hardware, system programs, and application programs figs 5
... sector.0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242526272829303 1 29303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242526272826272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242523242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 22202 1 2223242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 7 1 8 1 9202 1 2223242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6Direction ... rates.SparesectorsBadsector0 1 2345689 10 11 12 13 14 15 16 17 18 19 20 21 2223242526272829 (a) Replacementsector0 1 2345689 10 11 12 13 14 15 16 17 18 19 20 21 22232425262728297(b)0 1 23456789 10 11 12 13 14 15 16 17 18 19 20 21 2223242526272829(c)Fig. ... sector.0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242526272829303 1 29303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242526272826272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 2223242523242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9202 1 22202 1 2223242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 7 1 8 1 9202 1 2223242526272829303 1 0 1 23456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6Direction of disk rotation Fig....
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A computer system consists of hardware, system programs, and application programs figs 6
... numbers86234897422 14 0223223 16 0 12 6 14 2 14 1 10 011 011 011 011 00 011 011 011 111 011 1 10 1 011 011 011 011 0 011 011 011 011 1 011 11 1 011 1 011 1 011 11 110 110 1 010 0 011 11 000 011 1 011 010 111 10 111 011 011 011 11 110 010 0 011 1 011 11 011 1 011 1 011 1 011 1 11 011 111 011 1 011 1230 16 2 612 342 214 16 0664 216 320 18 048242 13 6 210 97 41 63 21 48262 310 516 Fig. ... KB. (a) (b)Free disk blocks: 16 , 17 , 18 A bitmapA 1- KB disk block can hold 25632-bit disk block numbers86234897422 14 0223223 16 0 12 6 14 2 14 1 10 011 011 011 011 00 011 011 011 111 011 1 10 1 011 011 011 011 0 011 011 011 011 1 011 11 1 011 1 011 1 011 11 110 110 1 010 0 011 11 000 011 1 011 010 111 10 111 011 011 011 11 110 010 0 011 1 011 11 011 1 011 1 011 1 011 1 11 011 111 011 1 011 1230 16 2 612 342 214 16 0664 216 320 18 048242 13 6 210 97 41 63 21 48262 310 516 Fig. ... blocks(c) 1 1 0 1 0 1 1 1 1 0 0 1 1 1 0 0 012 345678 910 111 213 1 415 Block numberBlocks in use0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 Free blocks(b) 1 1 0 1 0 2 1 1 1 0 0 1 1 1 0 0 012 345678 910 111 213 1 415 Blocks...
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A computer system consists of hardware, system programs, and application programs figs 7
... 7 -12 . An example of RMS and EDF real-time scheduling. A1 A1 B1B1 A1 A2 B2 B 3A3 A4 A5 B4 A5 B1 B2B2Failed A2 B3 B40 10 20 30 40 50 60 70 80 90 10 0 11 0 12 0 13 0 14 0Time (msec) A BCEDFRMS A2 A3 ... movie. A1 A1 A1 B1B1 A2 A2 A2 A3 A3 B3 A4 A3 B3 A4 A5 B4 A5 B4 A4 A5 B1 B2B2B2B3 B40 10 20 30 40 50 60 70 80 90 10 0 11 0 12 0 13 0 14 0Time (msec) A BCEDFRMSC1C1C1C2C2C2C3C3C3Fig. 7 -12 . ... MULTIMEDIA7 .10 SUMMARY0 9000 18 000 27000 36000 45000 54000 72000 810 00 20700063000Stream24Stream23Stream 15 Stream 1 1 90 01 180 01 270 01 360 01 450 01 540 01 720 01 810 01 2070 01 630 01 2 9002 18 002...
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A computer system consists of hardware, system programs, and application programs figs 8
... User-level software.Globally shared virtual memory consisting of 16 pagesMemoryNetwork (a) (b)(c) 012 345678 910 111 213 1 415 CPU 00259CPU 1 136 810 CPU 24 711 12 14 CPU 3 13 15 CPU 00259CPU 1 1368 10 10 CPU ... call. The stubs areshaded gray. (a) Machine 1 Machine 2Run-time system Operating system Shared memory Application HardwareRun-time system Operating system Application Hardware(b)Machine 1 ... 1 1368 10 10 CPU 24 711 12 14 CPU 3 13 15 CPU 00259CPU 1 136 810 CPU 24 711 12 14 CPU 3 13 15 Fig. 8-23. (a) Pages of the address space distributed among fourmachines. (b) Situation after CPU 1...
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A computer system consists of hardware, system programs, and application programs figs 9
... A cryptographically-protected capability.Goal ThreatData confidentiality Exposure of dataData integrity Tampering with data System availability Denial of serviceFig. 9 -1. Security goals and ... (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. ... 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
... zFig. 10 -26. (a) Separate file systems. (b) After mounting.0 (a) 1 2 3 8 9 10 111 213 1 415 0 1 2 3 10 111 213 1 415 0 1 1 213 1 415 (b)(c)Process A& apos;ssharedlock A& apos;s shared lockB's shared ... 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 ... tables. (a) 64(b)3232(d)3288 16 (e) 16 8832(f)888328(g)848832(h)488832(i) 16 44832(c) 16 16 3244Fig. 10 -18 . Operation of the buddy algorithm. 10 CASE STUDY 1: UNIX AND LINUX 10 .1 HISTORY OF UNIX 10 .2 OVERVIEW OF UNIX 10 .3 PROCESSES IN UNIX 10 .4 MEMORY MANAGEMENT...
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Từ khóa: flow of data and information in a computer system diagramflow of data instructions and information in a computer systemwhat happens to data and information in a computer system• a new tax system goods and services tax act 1999a factor pricing model of exchange rates bonds and stocksthe acquisition amount of the shares or equity holdings in the parent company or for the amount secured through the shares shall be credited to this account with a debit to any of the available reserves accounts or to account 129the account shall be credited with a debit to any of the available reserve accounts or to account 129the amount secured by the own shares shall be credited to this account with a debit to any of the available reserve accounts or to account 129turabian kate a manual for writers of term papers theses and dissertationskinase a common final path of various contractile bladder and ureter stimuliwork in groups you are going on an expedition across a desert with some of your friends discuss and choose the five most important things you should bring along with you explain your choiceexpectation of life by age and sex—united states 1979 81 1990 1995redistribution of income through taxes and benefits united kingdom 1992 by quintile groups of households 204non intersecting go terms of proteins in 2 and 4 weeks treatment 114the environment of a computer aided translation systemBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018chuyên đề điện xoay chiều theo dạngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namBiện 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 carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDETrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên 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 chúngTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roBT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ