Q1. When the bit string 0111101111101111110 is bit stuffed, calculate the output string for this and describe the logic.
Q2. By using Differential Manchester encoding scheme, encode the bit sequence 0101101001.
Q3. When binary signal is sent over a 3-kHz channel whose signal-to-noise ratio is 20 dB. Determine the maximum achievable data rate?
Q4. A 100 km long cable runs at T1 data rate. The propagation speed in the cable is 2/3 the speed of light. Determine the number of bits fit in the cable?
Q5. A channel consists of a bit rate of 4 kbs and a propagation delay of 20 milliseconds. Illustrate the range of frame size does stop-and-wait give an effectiveness of at least 50 percent?
Q6. Calculate the CRC for an 8-bit sequence 10100001 and a divisor of x3 + 1.