0000000016 00000 n software which acts as an interface between the end user and computer hardware It should maximize performance and reduce costs as well as power consumption.The different components in the Computer System Architecture are Input Unit, Output Unit, Storage Unit, Arithmetic Logic Unit, Control Unit etc. However, one is required to be aware of assembly language programming with a microcomputer. Computer Systems Architecture Pdf Computer Systems Architecture provides IT professionals and students with the necessary understanding of computer hardware. Knowledge of digital circuit 2. Computer Architecture and Networks People about Computer Architecture: Baer: “The design of the integrated system which provides a useful tool to the programmer” Hayes: “The study of the structure, behavior and design of computers” Hennessy and Patterson: “The interface between the hardware and the lowest level software” •John P. Hayes, Computer Architecture and Organization, McGraw-Hill. xref Computer Architecture & Organization, William Stallings, Pearson Prerequisite 1. An operating system is a software that : acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs. . H��RMk�@�ﯘ�nA�����-�@[�9�YIel7�LB��;+�� �P�fv潷��S0 �c�`�Ao#h/1���=��{v�=t#��;�\/. H�b```a`` ``c`��fd@ (��1C���T�~����� d& �30�2�3�1���� � �@R#c� �� �� The operating system is a vital component of the system software in a computer system. 0000001834 00000 n Computer System Architecture, Morris Mano, PHI Reference Books: 1. Operating System Support 1. 0000092790 00000 n Operating System Concepts! The Architecture faculty prefers not to base hardware specifications on a particular operating system, but on the capabilities that are needed to support the necessary software. 0000005978 00000 n Computer Organization , Hamacher, TMH 2. Computer architecture is the organization of the components making up a computer system and the semantics or meaning of the operations that guide its function. All the 5 units comprises of a detailed explanation of computer architecture with advanced information and recent developments in the field. Understanding how it all works requires knowledge of the structure of a computer and its assembly language. endstream endobj 126 0 obj<> endobj 128 0 obj<> endobj 129 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 130 0 obj[/ICCBased 137 0 R] endobj 131 0 obj<>stream The Computer System Architecture, Morris Mano, PHI Reference Books: 1. The sequence of instructions read from memory constitutes an instruction stream. �D�8Y�� �}�(�`y@�5�i��/��z�0N��a)�(��ɠ� ʠü�Y/�؇�]�3f�(�n�n/?� 2�I��y���R�^�.�5Ɠԧ�9^R��n1Q���֑��%K�\Sq�� *V�Kۘ��T����RУy���)Y%M�b]�$Wg�+� �g�A %.2��AFm��wIi� ��$T"h��5W� p��%���FA "� �L�B@Y�H$� ���x J@�7�(�"��L`sB� An operating system is a program that acts as an interface between a user of a computer and the computer resources. 0000002996 00000 n Operating System Concepts 2.1 Silberschatz and Galvin 2004 revised by Wiseman Computer-System Architecture Operating System Concepts 2.2 Silberschatz and Galvin 2004 revised by Wiseman Computer-System Operation • I/O devices and the CPU can execute concurrently. 0000007953 00000 n Program must be brought into memory and placed within a process for it to be run" " Input queue or job queue – collection of processes on the disk that are waiting to be brought into memory to run the program" The book has been written for people who may not have any prior knowledge of computer hardware. Introduction (Presentation) . Operating System: 0000002086 00000 n Home » Computing » Computer software ... Operating system architecture; Operating System Architecture The core software components of an operating system are collectively known as the kernel. Computer architecture is the organization of the components making up a computer system and the semantics or meaning of the operations that guide its function. 0000004578 00000 n 0000010460 00000 n N5=|�>�vk��5cwj��Lc��R�,���Iv!�.t%j��\k/6�����2���ۄ_yxb���ӗ���Ik�c7�f|"^���k�,��^��.�y�e7��|0 �J] The two states represent a binary variable that can be equal to 1 or 0. 0000001233 00000 n 0000033617 00000 n 0000090113 00000 n Processes and Scheduling 2. 0000001015 00000 n 0000002387 00000 n 0000001099 00000 n The operating system detects that the sound card is a new device and displays a small window tell ing you that Windows has found new hardware and is determ ining what it is. �5���T An icon used to represent a menu that can be toggled by interacting with this icon. Operating System 1 About the Tutorial An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9�� 0000004665 00000 n %PDF-1.3 %���� - 11 - CHAPTER 2 2.1 TTL JC (a) Inverters – 2 pins each 12/2 = 6 gates 7404 (b) 2-input XOR – 3 pins each 12/3 = 4 gates 7486 0000052747 00000 n Computer System Architecture Unit-I From : Hitesh Kumar Sharma CIT, UPES Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Somehow, it must load the operating system --- whatever variant that may be --- from some permanent storage device that is currently attached to the 0000004212 00000 n 0000006616 00000 n %%EOF We should recognize the influences of operating systems and computer architecture on each other and learn why and how OS’s are by tracing their evolution and predicting what they will become! An operating system is a software that : acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs. 0000092995 00000 n The scores in this section, moreover, attract recruiter attention. 0000003044 00000 n As such, the computer architecture governs the design of a family of computers and defines the logical interface that is targeted by programming languages and their compilers. 0000001626 00000 n 2.4 The Evolution of the Intel x86 Architecture 44 2.5 Embedded Systems and the ARM 45 2.6 Performance Assessment 49 2.7 Recommended Reading 59 2.8 Key Terms, Review Questions, and Problems 60 PART TWO THE COMPUTER SYSTEM 65 Chapter 3 A Top-Level View of Computer Function and Interconnection 65 3.1 Computer Components 66 3.2 Computer Function 68 0000004686 00000 n AMCAT Operating System Basics Questions 2020 (CSE Branch): Besides Logical reasoning, Quantitative Aptitude and English, Computer Science is an optional section. Functionality of various gates 3. "F$H:R��!z��F�Qd?r9�\A&�G���rQ��h������E��]�a�4z�Bg�����E#H �*B=��0H�I��p�p�0MxJ$�D1��D, V���ĭ����KĻ�Y�dE�"E��I2���E�B�G��t�4MzN�����r!YK� ���?%_&�#���(��0J:EAi��Q�(�()ӔWT6U@���P+���!�~��m���D�e�Դ�!��h�Ӧh/��']B/����ҏӿ�?a0n�hF!��X���8����܌k�c&5S�����6�l��Ia�2c�K�M�A�!�E�#��ƒ�d�V��(�k��e���l ����}�}�C�q�9 @~��-�-��ͬ�8X�] ��v9�Qy���.S����AU y��)�O]��R)@u {!���Af�?�-���n�v'�4���*�þ� Moore’s Law Drives OS Change 10MB 1TB 100 000 128KB 4GB 32,768 1,280 6—40 3200x4 0.25—0.5 10 3—10 1981 2006 Factor Disk capacity DRAM capacity computer system by number of instructions and data items that are manipulated simultaneously. • Each device controller is in charge of a particular device type. n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. If you continue browsing the site, you agree to the use of cookies on this website. The book has been written for people who may not have any prior knowledge of computer hardware. An Operating system (OS) is a software which acts as an interface between the end user and computer hardware. Architecture of operating system 1. 127 0 obj<>stream •Carl Hamachar, Zvonco Vranesic and Safwat Zaky, Computer Organization, McGraw-Hill. Computer Systems Architecture Pdf Computer Systems Architecture provides IT professionals and students with the necessary understanding of computer hardware. �V��)g�B�0�i�W��8#�8wթ��8_�٥ʨQ����Q�j@�&�A)/��g�>'K�� �t�;\�� ӥ$պF�ZUn����(4T�%)뫔�0C&�����Z��i���8��bx��E���B�;�����P���ӓ̹�A�om?�W= 2.4 The Evolution of the Intel x86 Architecture 44 2.5 Embedded Systems and the ARM 45 2.6 Performance Assessment 49 2.7 Recommended Reading 59 2.8 Key Terms, Review Questions, and Problems 60 PART TWO THE COMPUTER SYSTEM 65 Chapter 3 A Top-Level View of Computer Function and Interconnection 65 3.1 Computer Components 66 3.2 Computer Function 68 The top–level logical architecture is as follows. 0000001359 00000 n Computers using Windows 10 Pro Edition operating system are recommended for the School of Architecture … Explanation are given for understanding. Hence, it is important for all the IT job aspirants who want to take up this module, to be familiar with AMCAT Operating System Basics Questions. •John P. Hayes, Computer Architecture and Organization, McGraw-Hill. System Goals Two Conflicting Goals: Convenient for the user! What is an Operating System? This Computer Architecture quick revision notes will help you score more marks and help study in less time. �U�T00�89}�Ó9�׸�`�a8�"a歲@�� R�$� endstream endobj 72 0 obj 154 endobj 29 0 obj << /Type /Page /Parent 24 0 R /Resources 30 0 R /Contents [ 42 0 R 44 0 R 48 0 R 50 0 R 52 0 R 54 0 R 56 0 R 58 0 R ] /Rotate 90 /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] >> endobj 30 0 obj << /ProcSet [ /PDF /Text /ImageC /ImageI ] /Font << /TT2 36 0 R /TT4 34 0 R /TT5 38 0 R /TT7 32 0 R /TT9 45 0 R >> /XObject << /Im1 69 0 R /Im2 70 0 R >> /ExtGState << /GS1 62 0 R >> /ColorSpace << /Cs6 39 0 R /Cs10 40 0 R >> >> endobj 31 0 obj << /Filter /FlateDecode /Length 220 >> stream 0000052825 00000 n endstream endobj 32 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 121 /Widths [ 278 0 0 0 0 0 0 0 333 333 0 0 0 333 278 278 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 722 722 722 722 0 611 0 722 278 0 0 611 833 0 778 667 0 722 667 611 722 0 0 0 0 0 0 0 0 0 0 0 556 611 556 611 556 333 611 611 278 0 556 278 889 611 611 611 0 389 556 333 611 556 778 0 556 ] /Encoding /WinAnsiEncoding /BaseFont /FOCDEM+Arial,Bold /FontDescriptor 33 0 R >> endobj 33 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 0 /Descent -211 /Flags 32 /FontBBox [ -628 -376 2000 1010 ] /FontName /FOCDEM+Arial,Bold /ItalicAngle 0 /StemV 144 /FontFile2 64 0 R >> endobj 34 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 121 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 500 500 500 500 500 500 500 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 944 0 0 0 0 0 0 0 0 0 444 500 0 500 444 0 0 0 278 0 0 0 778 500 0 0 0 333 389 0 0 500 0 0 500 ] /Encoding /WinAnsiEncoding /BaseFont /FOCCLN+TimesNewRoman /FontDescriptor 37 0 R >> endobj 35 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 0 /Descent -211 /Flags 32 /FontBBox [ -665 -325 2000 1006 ] /FontName /FOCCKL+Arial /ItalicAngle 0 /StemV 94 /XHeight 0 /FontFile2 60 0 R >> endobj 36 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 150 /Widths [ 278 0 0 0 0 0 0 0 333 333 0 0 278 333 278 278 556 556 556 0 556 0 0 0 0 0 278 278 0 0 0 556 0 667 0 722 722 667 0 778 0 278 0 0 556 833 0 778 667 0 722 667 611 722 0 944 0 0 0 0 0 0 0 0 0 556 556 500 556 556 278 556 556 222 0 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 222 0 0 350 556 ] /Encoding /WinAnsiEncoding /BaseFont /FOCCKL+Arial /FontDescriptor 35 0 R >> endobj 37 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2000 1007 ] /FontName /FOCCLN+TimesNewRoman /ItalicAngle 0 /StemV 0 /FontFile2 61 0 R >> endobj 38 0 obj << /Type /Font /Subtype /Type0 /BaseFont /FOCCLO+SymbolMT /Encoding /Identity-H /DescendantFonts [ 68 0 R ] /ToUnicode 31 0 R >> endobj 39 0 obj [ /ICCBased 66 0 R ] endobj 40 0 obj [ /Indexed 39 0 R 53 59 0 R ] endobj 41 0 obj 548 endobj 42 0 obj << /Filter /FlateDecode /Length 41 0 R >> stream Memory Management Computer Organization and Architecture OS Objectives and Functions • Convenience —Making the computer easier to use • Efficiency —Allowing better use of computer resources • These were two main objectives of an operating system until the 1980’s. 11 Operating System Concepts 2.21 Silberschatz, Galvin and Gagne 2002 I/O Protection n All I/O instructions are privileged instructions. 0000004617 00000 n 0000000556 00000 n INTRODUCTION Many software-based simulators have been developed for educational purposes (Yurcik et al, 2001). Computer Organisation and Architecture David J. Scott Department of Statistics, University of Auckland Computer Organisation and Architecture – p.1/ ... An operating system is a set of computer programs that manage the hardware and software resources of a computer Performs basic tasks Operating System • OS perceives each core as a separate processor • OS scheduler maps threads/processes to different cores ... • General trend in computer architecture (shift towards more parallelism) 10 Instruction-level parallelism • Parallelism at the machine-instruction level 0000010661 00000 n Operating System Pdf Notes – OS Notes Pdf (OS Notes Pdf) starts with the topics covering Overview of Operating System, Process Concept, An operating system executes a variety of programs, Batch system – jobs, Time-shared systems, user programs or tasks etc
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