Basic CS [TCS Placement]: Sample Questions 110 - 111 of 196

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Question 110

Basic CS
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Describe in Detail

Essay▾

What is LRC?

Explanation

  • LRC means Longitudinal or horizontal Redundancy Check- verifies the accuracy of stored and transmitted data using parity bits.
  • Applied to a parallel group of bit streams.
  • Data to be transmitted is divided into transmission blocks into which additional check data is inserted.
Given the Image is Define the Longitudinal Redundancy Check (LRC)
  • LRC increases the likelihood of detecting burst errors.
  • If two bits in one data units are corrupted and two bits in exactly the same positions in another data unit are also damaged, the LRC checker will not detect an error.

Question 111

Basic CS
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Describe in Detail

Essay▾

Define Network?

Explanation

  • A network is a set of devices connected by physical media links.
  • It is a recursive connection of two or more nodes by a physical link or two or more networks connected by one or more nodes.
  • A network contains computers, servers, mainframes, network devices, peripherals, or other devices connected to one another to allow the sharing of data.
  • An excellent example of a network is the Internet, which connects millions of devices across the world.
  • Following image shows a home network with multiple computers and other devices all connected to each other and the Internet.
Given the Image is Define the Home Network

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