Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Computer Science
Describe the capabilities and bandwidth efficiency of codes in terms of their coding rate, hamming distance and coding gain. And explain the relationships between bandwidth and spreading bit rate.
In digital communications, what term is used to descirbed the relationship of the message bits and the encoder output bits?
A. Code rate
B. Transmission rate
C. Efficiency rate
D. Error rate
In asynchronous transmission, why does the time gap between bytes fluctuate?
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- Assume that the data is transferred using a 4B5B bit synchronization and error detection code(4 net bits transferred using 5 bits). what is the physical layer gross bit rate? Show all calculationsarrow_forwardSuppose that a sender and a receiver exchange data via UART with followingconfiguration:Baud rate = 115200 bits/s 1 start bit, 2 stop bits, 8 data bits, 1 parity bit 16 clock periods used for sampling 1 bit Answer the following questions please and thank you(a) What is the required clock frequency?(b) Suppose a 48 MHz clock. What is a suitable division factor to generate the neededclock in sub-question (a)?(c) How long does it take to transfer 10 MBytes of data?arrow_forwardWhy is asynchronous transmission preferable to synchronous transmission?arrow_forward
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- Assume having a low-pass channel that spans from a Frequency of 0Hz to 110Hz, to attain a bit-rate value that is not less than 1Kbps, then among the following, the minimum value of the signal to noise ratio must be: Select one: A. None of the mentioned choices is correct B. 1023 C. 511 D. 15 E. 31 F. 127 G. 255 H. 63arrow_forwardDefine Bandwidth and latency?arrow_forward
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