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ISO-OSI Reference Model

February 17, 2020 admin Leave a comment

ISO-International Organization for Standardization OSI-Open System International             When networks first came into being, computers could typically communicate only with…

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NETWORK MEDIA

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Computer networks can be classified according to the hardware technology that is used to interconnect the individual devices in the…

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Computer network devices

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Computer network devices also known as communication devices and they constitute a data communication network.  These devices are routers, switches,…

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IP ADDRESS

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Internet Protocol (IP): IP Address is a Logical address, which used for identify a single host in a network. It…

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BIOS Beep-Codes

February 16, 2020 admin Leave a comment

AMI BIOS # of Beeps Error Description 1 Refresh Failure The memory refresh Circuitry is faulty 2 Parity Error Parity…

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Type of OPARATING SYSTEM.

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System Software was classified into four. Single user Single tasking OS. Single user Multi Tasking OS. Multi user Single tasking…

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HARDWARE and SOFTWARE

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HARDWARE and SOFTWARE Hardware: Your PC (Personal Computer) is a system, consisting of many components. Some of those components, like…

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Different Between Primary memory and Secondary Memory

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PRIMARY MEMORY SECONDRY MEMORY 1.volatile Non volatile 2.temporary storage Permanent storage 3.High cost Low cost 4.Low size High size 5.eg:RAM…

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Familiarization of PC Components

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Concept of John Von Neuman:             According to him, he classified the complicated pc devide into 5 different units, CPU.…

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Generation of computer

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First Generation (1940-1956) Vacuum Tubes The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were…

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