Essentials of Computer Organization and Architecture
4th Edition
ISBN: 9781284074482
Author: Linda Null, Julia Lobur
Publisher: Jones & Bartlett Learning
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Expert Solution & Answer
Chapter 12, Problem 14E
a.
Explanation of Solution
Given data:
Size of file = 10 KB
We know that:
1 KB = 1024 Bytes
Therefore, 10 KB = 10 × 1024 = 10240 Bytes
Payload size = 100 Bytes
Window size = 2000 Bytes = 20 data packets (100 Bytes = 1 Data packet)
Number of acknowledgements received by sender = 900
To find: Byte that is send next.
Solution:
Finding next byte to send:
Unacknowledged data packets = 19
Number of acknowledgements received by sender = 900
Payload size = 100 Bytes
The next byte is determined by adding the number of acknowledgements received by sender and the payload size that is added with the unacknowledged data packets.
b.
Explanation of Solution
Given data:
Size of file = 10 KB
We know that:
1 KB = 1024 Bytes
Therefore, 10 KB = 10 × 1024 = 10240 Bytes
Payload size = 100 Bytes
Window size = 2000 Bytes = 19 data packets
Number of acknowledgements received by sender = 900
To find: Last Byte
Solution:
Finding the last byte that is sent without an acknowledgement:
Data packets = 20
Number of acknowledgements received by sender = 900
Payload size = 100 Bytes
The last byte is determined by adding the number of acknowledgements received by sender and the payload size that is added with the data packets that is finally subtracted by 1. The value “1” is subtracted in order to get the last byte of the previous data packet.
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Chapter 12 Solutions
Essentials of Computer Organization and Architecture
Ch. 12 - Prob. 1RETCCh. 12 - Prob. 2RETCCh. 12 - Prob. 3RETCCh. 12 - Prob. 4RETCCh. 12 - Prob. 5RETCCh. 12 - Prob. 6RETCCh. 12 - Prob. 7RETCCh. 12 - Prob. 8RETCCh. 12 - Prob. 9RETCCh. 12 - Prob. 10RETC
Ch. 12 - Prob. 11RETCCh. 12 - Prob. 12RETCCh. 12 - Prob. 13RETCCh. 12 - Prob. 14RETCCh. 12 - Prob. 15RETCCh. 12 - Prob. 16RETCCh. 12 - Prob. 17RETCCh. 12 - Prob. 18RETCCh. 12 - Prob. 19RETCCh. 12 - Prob. 20RETCCh. 12 - Prob. 21RETCCh. 12 - Prob. 22RETCCh. 12 - Prob. 23RETCCh. 12 - Prob. 24RETCCh. 12 - Prob. 1ECh. 12 - Prob. 2ECh. 12 - Prob. 3ECh. 12 - Prob. 4ECh. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - Prob. 9ECh. 12 - Prob. 10ECh. 12 - Prob. 11ECh. 12 - Prob. 12ECh. 12 - Prob. 13ECh. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 18ECh. 12 - Prob. 19E
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