Homework Answers
Extra bits = 1+ 1 +1 = 3
Extra bits for 1000 characters = 3*1000 = 3000
Total character bits = 8*1000 = 8000
Total bits = 8000+3000 = 11000
transmission rate = 2400 bps
Total transmission time = 11000/2400 = 4.583 Seconds
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Assume that a UART is set for 8-bit transmission with 1 bit of parity, 1 stop...
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A 2400 baud, 7 bit word length, odd parity, and one stop bit message transmits characters per second. a) 100 b) 240 c) 440 d) 1000
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Asynchronous transmission protocol is configured to use 8 data bits, 1 start bit, 2 stop bits and 1 parity bit. The protocol efficiency of this configuration is ____ %.
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4. If an asynchronous frame is used to send ASCII characters in the form of bytes (8 bits), what is the shortest time it could take to send 1000 characters if each bit in a frame is 1 msec long? 5. Suppose an asynchronous frame holds 8 bits of data, a parity bit, and two stop bits (it could happen). Calculate the efficiency of the communication system. Suppose a synchronous frame has 16 bits of non-data in the front and...
1. Fill in the blanks to configure the SCII module of HCS12 with the following settings 14400 baud (Bus clock is 24 MHz) SCI enabled in wait mode One start bit, 8 data bits, one stop bit Enable trans...
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1. How many different characters could be encoded using a six-bit code? 2. What is the numerical difference between ASCI a and ASClI 'AN if you treaj them as hexadecimal (hex) numbers? 3. The...
1. How many different characters could be encoded using a six-bit code? 2. What is the numerical difference between ASCI a and ASClI 'AN if you treaj them as hexadecimal (hex) numbers? 3. The ASCII codes for the characters 'O' through '9' are what hex numbers? If an asynchronous frame is used to send ASCII characters in the form of bytes (8 bits), what is the shortest time it could take to send 1000 characters if each bit in a...
Please Help A common measure of transmission for digital data is the baud rate, defined as...
Please Help
A common measure of transmission for digital data is the baud rate, defined as the number of bits transmitted per second. Generally, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: What would the time be at 3000k baud, a representative medium speed of a phone DSL connection? Suppose that a flat area with center at(x0, y0) is illuminated by a...
In the last module you learned a formula for calculating bit rate, R = b/t, that...
In the last module you learned a formula for calculating bit rate, R = b/t, that is the number of bits divided by the time. This formula expresses the number of bits that are transmitted over a circuit in a given period of time. In practice, however, we are not only concerned with the number bits transmitted, but also with the number of data bits transmitted over a circuit. The data bits are those that the sender decides to send...
WIL JI I IM 8. In the RS-232 standard, which of the following represents logic o?...
WIL JI I IM 8. In the RS-232 standard, which of the following represents logic o? (a) -3V - +3V (b) R egister -25V ~ +25V (c) +3V ~ +25 V (d)-25V ~ 3V ( 9. Which of the following signal is used by a computer to accept incoming call in the RS- 232 standard? (a) DTR (b) DSR (C) RTS (d) CTS 10 What causes the framing error in the RS-232 communication? (a) the missing of the start bit...
1. (ch.7) A PCM/TDM system multiplexes 24 voice band channels. Each sample is encoded into 7...
1. (ch.7) A PCM/TDM system multiplexes 24 voice band channels. Each sample is encoded into 7 bits and a frame consists of one sample from each channel. A framing bit is added to each frame. The sampling rate is 9000 samples/sec. What is the line speed in bits per second? 2. (ch.9) An asynchronous protocol uses 1 start bit, 7 data bits, 2 stop bits and 1 even parity bit for each character. a. How many bits are in a...
4. If an asynchronous frame is used to send ASCII characters in the form of bytes (8 bits), what is the shortest time it could take to send 1000 characters if each bit in a frame is 1 msec long? 5. Suppose an asynchronous frame holds 8 bits of data, a parity bit, and two stop bits (it could happen). Calculate the efficiency of the communication system. Suppose a synchronous frame has 16 bits of non-data in the front and...
1. Fill in the blanks to configure the SCII module of HCS12 with the following settings 14400 baud (Bus clock is 24 MHz) SCI enabled in wait mode One start bit, 8 data bits, one stop bit Enable transmit and receive Enable TDRE (TX data register empty) interrupt Enable RDRF (RX data register full) interrupt No loop back Enablc parity checking and use odd parity ; ; 14400 baud SCI enabled in wait mode; enable parity and use odd parity...
1. How many different characters could be encoded using a six-bit code? 2. What is the numerical difference between ASCI a and ASClI 'AN if you treaj them as hexadecimal (hex) numbers? 3. The ASCII codes for the characters 'O' through '9' are what hex numbers? If an asynchronous frame is used to send ASCII characters in the form of bytes (8 bits), what is the shortest time it could take to send 1000 characters if each bit in a...
Please Help
A common measure of transmission for digital data is the baud rate, defined as the number of bits transmitted per second. Generally, transmission is accomplished in packets consisting of a start bit, a byte (8 bits) of information, and a stop bit. Using these facts, answer the following: What would the time be at 3000k baud, a representative medium speed of a phone DSL connection? Suppose that a flat area with center at(x0, y0) is illuminated by a...
In the last module you learned a formula for calculating bit rate, R = b/t, that is the number of bits divided by the time. This formula expresses the number of bits that are transmitted over a circuit in a given period of time. In practice, however, we are not only concerned with the number bits transmitted, but also with the number of data bits transmitted over a circuit. The data bits are those that the sender decides to send...
WIL JI I IM 8. In the RS-232 standard, which of the following represents logic o? (a) -3V - +3V (b) R egister -25V ~ +25V (c) +3V ~ +25 V (d)-25V ~ 3V ( 9. Which of the following signal is used by a computer to accept incoming call in the RS- 232 standard? (a) DTR (b) DSR (C) RTS (d) CTS 10 What causes the framing error in the RS-232 communication? (a) the missing of the start bit...
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