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What is the basic difference between circuit switching and the packet switching?
The figure below shows a statistical TDM multiplexer. How much is the data rate of each line is reduced if all 10 lines are sending the data? How many stations can send data at similar time with ful
Five signal sources are multiplexed by using synchronous TDM. Each source generates 100 characters per second.
What is the basic difference between an analog switched service and an analog leased service?
What are the main multiplexing methods?
What does the mechanical specifications, electrical specifications and the functional specifications of EIA-232 explain?
What does the word modem stands for? What is the function of a demodulator and determine the function of modulator?
What standard organizations are included in DTE-DCE interface standards? Name some popular DTE-DCE standards.
What would be the data stream if the above stream was NRZ-I encoded?
Describe the difference between Manchester and differential Manchester encoding with an illustration?
Make a distinction between baseband and bandpass signals. How does bipolar signaling diverge from unipolar signaling? Why is Manchester encoding more popular than either?
What is the main drawback in using NRZ encoding? How do RZ encoding and biphase encoding attempt to resolve the problem?
What do you mean by digital-to-analog and analog-to-digital conversion?
A line consists of a signal-to-noise ratio of 1000 and a bandwidth of 4000 kHz. Determine the maximum data rate supported by this line?
Draw a well labeled diagram of a fiber optic cable and explain its working principle. Give its benefits and drawbacks.
What is the main benefit of shielded twisted pair over the unshielded twisted pair?
What are the fundamental differences between the analog transmission and digital transmission?
Illustrate what does the amplitude, frequency and the phase of a signal measure?
Illustrate the term Microprocessor? What is the basic difference between a Microprocessor and CPU?
Specify the control signal and the direction of the data-flow on the data bus in a memory-write operation.
List out all the interrupt signals of the 8085 microprocessor?
Describe the programming model of 8085 µP with the help of appropriate diagram.
List all the four categories of 8085 microprocessor instructions that manipulate the data.
In brief describe the maximum mode configuration of 8086 microprocessor.
What is the basic difference between minimum and maximum modes of the 8086? How are such modes chosen?