Assignment No. 03

Semester: Fall 2019

CS601: Data Communication Total Marks: 15

Due Date: 17th January, 2020

Instructions:

Please read the following instructions carefully before submitting assignment:

You need to use MS word document to prepare and submit the assignment on VU-LMS.

It should be clear that your assignment will not get any credit if:

The assignment is submitted after due date.

The assignment is not in the required format (doc or docx).

The submitted assignment does not open or file is corrupt.

Assignment is copied (partial or full) from any source (websites, forums, students, etc).

Assignment solution in the image format or image(s) pasted in the solution file.

Objectives:

To enhance the learning capabilities of the students about:

- Error Detection Techniques
- Polynomials to Binary Conversion
- Binary Addition

Assignment

Question No. 1

Suppose a message consisting of following four-bit numbers is being sent to a destination. By writing all necessary calculation steps, you are required to calculate four-bit Checksum number, the sender will append with the original message:

9, 8,11, 15, 14

Solution:

Question No.2

Considering the Generator Polynomial (Divisor): X3+1, by writing all necessary calculations steps involved in Cyclic Redundancy Check, you are required to determine the codeword of the following data word:

10110

Solution:

Question No.3

Find the Polynomials equivalent of bits given in the following table:

Bits |
Polynomial |

1010000 |

10001001 |

Solution:

Best of Luck!