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Communications device, combines transmissions from several devices into on line is

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Important Questions on Computer and Internet Basics

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In a _____ network, all devices are connected to a device called a hub, and they communicate through it. 
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The main directory of a disk is called the_____directory.
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The data on the tracks on a magnetic disk are written as
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A topology for a Local Area Network in which all nodes are individually connected to a central connection point like a hub or switch is called:
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_______ is a computer hardware component that connects a computer to computer network.
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An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:
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HTTP stands for:
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In a _____ network, all devices are connected to a device called a hub, and they communicate through it.
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A distributed network configuration in which all data/information pass through a central computer is _____.
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Computer network is a _____.
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The session, presentation, and application layers are the _____ support layers.
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Distributed data processing configuration where all activities pass through a centrally located computer is _____.
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The first step in PCM is ________.
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A ______ is a data communication system spanning states, countries, or the whole world.
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The Inter-networking Protocol (IP) is a _____ protocol.
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Which topology requires a multipoint connection?
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In _______ transmission, a start bit and a stop bit frame a character byte.
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Cotyledons are also called-
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In the OSI model, Layer 2 lies between the physical layer and the _______ layer.
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The ________ protocol is the transmission mechanism used by the TCP/IP suite.