Answer these questions about the various forms of VO b. What is the byte count, as used in DMA IVO and what happens when this count reaches 0? c. What can channel I/O do that DMA I/O cannot?
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Can someone offer an explanation to these few simple questions please?
Answer for the various type of I/O is dicussed here.
a.
Reasons of interrupt-driven I/O better than programmed I/O:
- In the programmed I/O, CPU spends most of its time in a tight loop waiting for the device until I/O is completed.
- But in the interrupt-driven I/O, the processor does not wait for until the I/O operation is complete. Rather the processor do the other operation.
- Therefore, the interrupt-driven I/O is better than programmed I/O.
Step by step
Solved in 5 steps
- Please offer a brief justification for your answer to each of the following questions. The alternating-bit protocol and the SR protocol are interchangeable when the window sizes of the transmitter and receiver are both one.Which of the two data transmission methods do you think is better? Parallel or serial? Why?How are serialization methods accounting for error correction in noisy transmission environments?
- Subject - Data Communication Networks 1. What is the main feature of Time Division Multiplexing? a. simple and easy to implement b. fair time slot allocation per cyvle c. unused slots go wasted d. all of the above 2. passbonds signals run from 0 to a max frequency a. true b. False 3. The cost of signal mode fiber is more expensive than multi mode fiber a. True b. FalseTrue or false, and briefly explain your responses on the following questions: When the transmitter and receiver window widths are both one, the alternating-bit protocol is equivalent to the SR protocol.True or false, and briefly explain your answer to each of the following questions. When the window widths of both the transmitter and receiver are 1, the alternating-bit protocol and the SR protocol are identical.
- True or false, and please provide a short explanation for your response to the following questions: When the window widths of the transmitter and receiver are both one, the alternating-bit protocol and the SR protocol are interchangeable.What is the purpose of error and flow control in synchronous time-division multiplexing, and how is it implemented?Answer the following questions with a simple "true" or "false" and a short explanation of your reasoning: When the window widths of both the transmitter and receiver are 1, the alternating-bit protocol and the SR protocol are equivalent.
- A line has a signal-to-noise ratio of 1000 and a bandwidth of 4000 kHz. What is the maximum data rate supported by this line? If the bandwidth of the channel is 5 kbps, how long does it take to send a frame of 100,000 bits out of this device? What is the maximum data rate of a channel with a bandwidth of 200 kHz if we use four levels of digital signaling?What is "Shannon's Capacity Theorem," and how does it relate to the maximum data rate of a communication channel?True or false, and briefly explain your response to the following questions: When both the transmitter and receiver window widths are 1, the alternating-bit protocol is identical to the SR protocol.