Computer hardware and networking

Computer hardware and networking

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  Welcome To Our Presentation
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  COMPUTER HARDWARE & NETWORKING Presented By :-  DEVENDRA KHAIRWA
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  Elements of ComputerSystem:-  A computer system consists of two major elements: Hardware and Software.  Hardware is the collection of all the parts you can physically touch.  Software, on the other hand, is not something you can touch. Software is a set of instructions for a computer to perform specific operations.
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  Objectives  Role ofhardware.  Describe hardware components, and explain each component.  Features of networking
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  Hardware Components ofComputer :- 1. C.P.U. 2. CARDS 3. MOTHER BOARD 4. RAM
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  CENTRAL PROCESSING UNIT(CPU) 1. Arithmetic Logic Unit- [ALU] = ALU performs arithmetic logical operations. 2. Control Unit- [cu] = CU extracts instructions from memory and decodes and executes them, calling the ALU when necessary. Component of CPU :
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  CARDS  Graphic Card Video Card  Sound Card
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  MOTHER BOARD
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  RAM  RAM isa semiconductor that stores charges with transistors and capacitors.  Dynamic RAM (DRAM) -  Most popular type of electronic memory in the PC world.  Static RAM (SRAM)- very expensive does not have to be refreshed.
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  PAN  A personalarea network (PAN) is the interconnection of information technology devices within the range of an individual person, typically within a range of 10 meters
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  LAN  A localarea network (LAN) is a computer network that interconnects computers within a limited area such as a home, school, computer laboratory, or office building, using network media.
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  MAN  A metropolitanarea network (MAN) is a network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN) but smaller than the area covered by a wide area network (WAN).
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  WAN  A widearea network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using leased telecommunication lines.
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  Any Question ?