Problem

1. Explain the term Switching. Describe the following Switching Mechanisms

a) Circuit Switching
b) Packet Switching
c) Message Switching

• Defining Switching
• Explanation of subparts (a),(b) and (c)

2. Define the terms Error Detection and Correction with respect to Data Transmission. Also explain the following concepts with respect to Error Detection and Correction

a) Parity Bits
b) Single Bit Error Correction Techniques

• Defining Error Detection
• Defining Error Correction
• Explanation of subparts (a) and (b)