Compare between the following (in tabular format): 1. Circuit and Packet switching 2. Geostationary and Polar Orbiting Satellites. [10 Marks]
Understand the Problem
The question is asking for a comparison between two pairs of concepts: 'Circuit and Packet switching' and 'Geostationary and Polar Orbiting Satellites'. The comparison should be presented in a tabular format, highlighting the differences between each pair.
Answer
Circuit switching uses a dedicated path; packet switching splits data into packets. Geostationary satellites remain fixed above the equator; polar satellites orbit over poles, offering global coverage.
Comparison of Circuit and Packet Switching
| Feature | Circuit Switching | Packet Switching |
|---|---|---|
| Connection Type | Dedicated path for the entire session | Data split into packets, each packet takes a different path |
| Setup Time | Long, due to the need for path setup | Short, no setup time |
| Resource Usage | Constant during a session | Efficient, resources used as needed |
| Reliability | High, continuous connection | Variable, depends on packet delivery and network conditions |
| Use Cases | Suitable for voice calls | Suitable for data transfer |
Comparison of Geostationary and Polar Orbiting Satellites
| Feature | Geostationary Satellites | Polar Orbiting Satellites |
|---|---|---|
| Orbital Path | Equatorial orbit, fixed relative to Earth | Polar orbit, moves over poles |
| Altitude | ~35,786 km above Earth's surface | 700-1000 km above Earth's surface |
| Coverage Area | Constant coverage over a large area | Global coverage through rotation |
| Applications | Broadcasting, weather forecasting | Earth observation, reconnaissance |
Answer for screen readers
Comparison of Circuit and Packet Switching
| Feature | Circuit Switching | Packet Switching |
|---|---|---|
| Connection Type | Dedicated path for the entire session | Data split into packets, each packet takes a different path |
| Setup Time | Long, due to the need for path setup | Short, no setup time |
| Resource Usage | Constant during a session | Efficient, resources used as needed |
| Reliability | High, continuous connection | Variable, depends on packet delivery and network conditions |
| Use Cases | Suitable for voice calls | Suitable for data transfer |
Comparison of Geostationary and Polar Orbiting Satellites
| Feature | Geostationary Satellites | Polar Orbiting Satellites |
|---|---|---|
| Orbital Path | Equatorial orbit, fixed relative to Earth | Polar orbit, moves over poles |
| Altitude | ~35,786 km above Earth's surface | 700-1000 km above Earth's surface |
| Coverage Area | Constant coverage over a large area | Global coverage through rotation |
| Applications | Broadcasting, weather forecasting | Earth observation, reconnaissance |
More Information
Geostationary satellites are ideal for telecommunications and broadcasting due to their stable position. Packet switching maximizes network efficiency, especially in handling intermittent data transmissions.
Tips
A common mistake is confusing the reliability and resource usage of circuit and packet switching. Circuit switching is generally more reliable, whereas packet switching is more efficient.
Sources
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