Computer Communication Systems
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Questions and Answers

What is the primary purpose of a protocol in computer communication?

  • To establish a physical connection between devices
  • To receive data from another device
  • To define the characteristics of data transmission between devices (correct)
  • To initiate the sending of data from one device to another

    • Which of the following is an example of a transmission media?

  • A computer's processor
  • A microwave station (correct)
  • A mobile device's operating system
  • A computer's keyboard

    • What is the role of a receiver in computer communication?

  • To accept the transmission of data (correct)
  • To define the protocol for data transmission
  • To initiate the sending of data
  • To establish a physical connection between devices

    • What is necessary for successful computer communication?

    <p>A sender, a communication channel, a receiver, and a protocol</p> Signup and view all the answers

    What is an analogy for devices that cannot communicate due to lacking a common protocol?

    <p>Two people who speak different languages</p> Signup and view all the answers

    What is the primary purpose of a computer network?

    <p>To facilitate communication and share resources between computers</p> Signup and view all the answers

    Which of the following is NOT a benefit of sharing resources in a network?

    <p>Increases security risks</p> Signup and view all the answers

    What is the primary advantage of software sharing in a network?

    <p>Avoiding the need to install software on each computer separately</p> Signup and view all the answers

    What is the term used to describe the transfer of funds from one bank account to another via a network?

    <p>Electronic Fund Transfer</p> Signup and view all the answers

    What is the term used to describe resources that are attached to or connected to a computer in a network?

    <p>Local resources</p> Signup and view all the answers

    Study Notes

    Computer Communication

    • Computer communication is the process of transferring data, instructions, and information between computers.
    • Earlier, only large computers had communication capabilities, but now even smaller computers and devices can communicate directly with each other.

    Components of Computer Communication

    • SENDER: a device that initiates sending data, instructions, or information, such as a computer or mobile device.
    • COMMUNICATION CHANNEL OR TRANSMISSION MEDIA: a medium through which data travels, such as cables, microwave stations, or satellites.
    • RECEIVER: a device that accepts the transmission of data, instructions, or information, such as a computer or mobile device.
    • PROTOCOL: a set of rules that outlines characteristics of how two devices communicate, including data format, coding schemes, and sequence of data transfer.

    Computer Network

    • A computer network is a collection of computers and devices connected by communication channels.
    • Networks can be small, connecting two computers, or large, covering different parts of a city or even the whole world.
    • Networks allow people to share hardware, software, data, and information, and facilitate communication.

    Need for a Network

    • Sharing resources saves time and money with the help of a network.
    • Resources that can be shared include hardware devices, software programs, data, and information.

    Data and Information Sharing

    • In a network environment, authorized users can access data and information stored on other computers in the network.
    • A large company can store a database of customer information on a server, and authorized users can access it.

    Hardware Sharing

    • In a network environment, each computer can access and use hardware available on the network.
    • Examples include sharing a printer among multiple computers.

    Software Sharing

    • Network lets people gain access to software programs stored on a central computer.
    • Individuals can access and work with these programs using their own computer.

    Transfer Funds

    • Network allows users to exchange money from one bank account to another via Electronic Fund Transfer (EFT).
    • Examples include use of credit and debit cards, direct deposit of funds, online banking, and online bill payment.

    Network User

    • When a computer is part of a network, users can access local resources, such as files, folders, and computer hardware.
    • Examples include accessing a printer attached to another computer.

    Server and...

    • (No further information provided in the original text)

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    Description

    This quiz covers the process of data transfer between computers, including wired and wireless communication methods and the role of the internet.

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