Business Driven Information Systems
6th Edition
ISBN: 9781260004717
Author: Paige Baltzan
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 7, Problem 15RQ
To determine
The difference between VOIP and IPTV.
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5- A 250 V shunt motor operates on full load at 1500 rpm and draws line current 20 A.
The armature has 6 poles and is lap wound with 200 turns. Find the induced emf and the
flux/pole at full load. Given that the armature and field resistances are 0.5 and 125 2
respectively. Ans.[ 24.1 m Wb]
In modern packet-switched networks, including the Internet, the source host segments long, application-layer messages (for example, an image or a music file) into smaller packets and sends the packets into the network. The receiver then reassembles the packets back into the original message. We refer to this process as message segmentation. Figure 1.27 (attached) illustrates the end-to-end transport of a message with and without message segmentation. Consider a message that is 106 bits long that is to be sent from source to destination in Figure 1.27. Suppose each link in the figure is 5 Mbps. Ignore propagation, queuing, and processing delays.
a. Consider sending the message from source to destination without message segmentation. How long does it take to move the message from the source host to the first packet switch? Keeping in mind that each switch uses store-and-forward packet switching, what is the total time to move the message from source host to destination host?
b. Now…
Consider a packet of length L that begins at end system A and travels over three links to a destination end system. These three links are connected by two packet switches. Let di, si, and Ri denote the length, propagation speed, and the transmission rate of link i, for i = 1, 2, 3. The packet switch delays each packet by dproc. Assuming no queuing delays, in terms of di, si, Ri, (i = 1, 2, 3), and L, what is the total end-to-end delay for the packet? Suppose now the packet is 1,500 bytes, the propagation speed on all three links is 2.5 * 10^8 m/s, the transmission rates of all three links are 2.5 Mbps, the packet switch processing delay is 3 msec, the length of the first link is 5,000 km, the length of the second link is 4,000 km, and the length of the last link is 1,000 km. For these values, what is the end-to-end delay?
Chapter 7 Solutions
Business Driven Information Systems
Ch. 7 - Prob. 1OCQCh. 7 - Prob. 2OCQCh. 7 - Prob. 3OCQCh. 7 - Prob. 4OCQCh. 7 - Prob. 5OCQCh. 7 - Prob. 6OCQCh. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQCh. 7 - Prob. 4RQ
Ch. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Prob. 12RQCh. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 1CCOCh. 7 - Prob. 2CCOCh. 7 - Prob. 3CCOCh. 7 - Prob. 4CCOCh. 7 - Prob. 1CCTCh. 7 - Prob. 2CCTCh. 7 - Prob. 3CCTCh. 7 - Prob. 4CCTCh. 7 - Prob. 1CBTCh. 7 - Prob. 2CBTCh. 7 - Prob. 3CBTCh. 7 - Prob. 4CBTCh. 7 - Prob. 5CBTCh. 7 - Prob. 6CBTCh. 7 - Prob. 7CBTCh. 7 - Prob. 8CBTCh. 7 - Prob. 9CBTCh. 7 - Prob. 10CBTCh. 7 - Prob. PIAYKBPCh. 7 - Prob. PIIAYKBPCh. 7 - Prob. PIIIAYKBPCh. 7 - Prob. PIVAYKBPCh. 7 - Prob. PVAYKBPCh. 7 - Prob. PVIAYKBPCh. 7 - Prob. PVIIAYKBPCh. 7 - Prob. PVIIIAYKBPCh. 7 - Prob. PIXAYKBP
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