Data communication (analog and digital)
( Topic:
- Analog and digital signals;
- periodic and non periodic signals analog signals time and frequency domains;
- COMPOSITE SIGNALS: Frequency spectrum and Bandwidth;
- TRANSMISSION MODES:
- Serial and Parallel transmission,
- Asynchronous and Synchronous Transmission,
- Simplex,
- Half-Duplex and Full-Duplex communication.)
1.1.1 Analog and Digital Signals
1.1.2 Perodic and non perodic
1.2 Perodic anolog signals
1.2.3 Bandwidth
Q1 : Asine wave is offset 1/6 cycle with respect to the o . what is its phase in degree and radian?
- Asynchronous Transmission
- synchronousTransmission
Isochronous Transmission
1.4 Transmission modes
1.4.1 Simplex Transmission / Communication
Half DuplexTransmission
Full Duplex Transmission / Communication
Advantages and disadvantages
Q2 : The power we use at home has a frequency of 60 Hz what is the period of its sine wave?
Q3.the time period of a signal is 100ms. what is its frequency in kilo-Hertz (Khz)
Q4. non periodic composite signal has a bandwidth of 200 KHz with a middle frequency of 140 words and peak amplitude of 20 V the frequency has an amplitude of a zero approximately draw the frequency of the signal
Q4. non periodic composite signal has a bandwidth of 200 KHz with a middle frequency of 140 words and peak amplitude of 20 V the frequency has an amplitude of a zero approximately draw the frequency of the signal
Q5 Assume we need to download files at a rate of 100 pages/sec . A page is an average of a 24 lines with 80 characters in each line. Where one character required 8 bits. what is the required bit rate of the channel?
Q6.A network with bandwidth of 10mbps can pass only and average 1000 frames per minute with each frame carries an average of Bits. what is the through throughput of this network?
Q6.A network with bandwidth of 10mbps can pass only and average 1000 frames per minute with each frame carries an average of Bits. what is the through throughput of this network?
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