Question 1: Describe in your own words what a 'network topology' is.

Answer: A network topology is the way in which computers or devices are connected in a network. It shows how data flows between devices.

Question 2: Name three common types of network topologies.

Answer: Star, bus, and ring.

Question 3: Explain one advantage and one disadvantage of a star topology.

Answer: Advantage: If one device fails, the others can still communicate. Disadvantage: It can be expensive to set up because of the need for a central switch or hub.

Question 4: Describe a scenario where a bus topology might be used and explain why.

Answer: A bus topology might be used in a small office or classroom because it is simple and inexpensive. However, if the main cable fails, all devices lose connection.

Question 5: Draw a diagram to illustrate a ring topology network. Label the devices and the connections between them.

Answer: A circular arrangement of devices, each connected to exactly two other devices, forming a closed loop. Label each device and show lines connecting each to its two neighbors.

Question 6: Complete the following truth table for an AND gate:

Answer: Inputs A and B; Output Q. | A | B | Q | |---|---|---| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 |

Question 7: Draw a logic circuit for an OR gate. Label the inputs and the output.

Answer: A diagram showing two input lines entering an OR gate symbol (a curved shape with two inputs) and one output line emerging from it.

Question 8: What does a NOT gate do? Describe its function.

Answer: A NOT gate outputs the opposite value of its input. If the input is 1, the output is 0; if the input is 0, the output is 1.

Question 9: Sketch a simple circuit that includes an AND gate and an OR gate connected together. You do not need to label the logic symbols, just show the connections clearly.

Answer: A drawing with two inputs feeding into an AND gate, then the output of the AND gate and another input feeding into an OR gate, with the final output coming from the OR gate.

Question 10: Explain why understanding network topologies is important when setting up a computer network.

Answer: Because it helps you choose the best way to connect devices, ensuring the network is efficient, reliable, and suitable for the size and purpose of the organization.

Question 11: Describe how data might travel differently in a star topology compared to a bus topology.

Answer: In a star topology, data is sent from a device to the central hub, which then forwards it to the destination. In a bus topology, data travels along a single main cable, passing through all devices until it reaches the intended one.