1. Find the binary and hex values for the following numbers for an 8-bit system:
I) 143
II) 101
III)-117
IV)-78
V) 82
2. Alice and Bob communicate remotely using a client-server program, however, they have issues with the messages they exchange. When Alice sends a message with one character at a time Bob receives it correctly, but when she sends messages with character streams Bob receives them incorrectly, for example, if the message is 'good' on Alice side, then on Bob side it becomes ' doog'. What is the reason for this erroneous phenomenon? Explain with illustrations.