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LekaFEV [45]
3 years ago
15

Suppose the information content of a packet is the bit pattern 1110 0110 1001 1101 and an even parity scheme is being used. What

would the value of the field containing the parity bits be for the case of a two-dimensional parity scheme? Your answer should be such that a minimum- length checksum field is used.
Computers and Technology
1 answer:
marta [7]3 years ago
4 0

Answer:

\left[\begin{array}{ccccc}1&1&1&0&1\\0&1&1&0&0\\1&0&0&1&0\\1&1&0&1&1\\1&1&0&0&0\end{array}\right]

Explanation:

To keep the checksum length minimum ,checksum field should be a 4x4 matrix with two dimensional even parity bit.

For this purpose first create a matrix of RxC dimensions and add one even parity bit at the end of each row and column.

parity bit is sort of a check flag used to detect errors in binary data.Error detection is done by adding total number of  1's in the binary sequence.

There are two types of parity bits

  1. Even
  2. Odd

For even parity if total number of 1 is even parity bit for that sequence would be (0).

For even parity if total number of 1 is odd parity bit for that sequence would be (1)

For odd parity if total number of 1 is odd parity bit for that sequence would be (0)

For odd parity if total number of 1 is even parity bit for that sequence would be (1)

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<h2>Answer: Vectors</h2>

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Read the quotation from "Song of Myself."
Phantasy [73]

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<h3>What is a poem?</h3>

A poem is a literary work that comprises either written or spoken words which are carefully chosen and arranged in separate lines, especially based on their diction (sound), rhythm, and meaning.

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6 0
2 years ago
Giving reasons for your answer based on the type of system being developed, suggest the most appropriate generic software proces
soldi70 [24.7K]

Answer:

For the university accounting system that replaces an existing system the appropriate generic software process model is Waterfall model

This is because the requirement of the system can be predicted in advance because of the existing system and secondly, this a mission critical system and the requirement are stable and reusable

For the  interactive travel planning system that helps users plan journeys with the lowest environmental impact the appropriate generic software process model is Prototype Model

This is because the user's requirement may likely change and fast delivery is essential to be implemented and for this the prototype model can save time of development to focus on essential functions first.

Explanation:

In order to get a better understanding of the answers above let define the concept of

Waterfall Model:

   We can define waterfall model as a type of software development approach that explains step by step development method, this software development approach consist of five to seven steps and each step is characterized by different tasks and objectives and these steps combined together explains the the life cycle of the the software development process.

Prototype Model

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Use the cal command to determine the day of the week you were born. This will require 2 parameters for the cal command. What com
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<h3>What is cal command?</h3>

cal is a command- line utility on a number of computer operating system which includes Unix, Plan 9, Inferno and Unix - like operating system such as Linux that prints an ASCII calendar of the given month or year.

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