B1 - Connectivity

Question 1

Give examples of wired connectivity

What are the advantages and disadvantages?

Answer 1

VGA - Uses analogue connection of video display equipment such as projectors.
Advantages - Low cost and universally used for display equipment
Disadvantages - Cumbersome, signal affected over a distance

HDMI - Connection of both video and sound to display equipment.
Advantages - Supports 8K and useful in entertainment
Disadvantages - Limited length, costly

USB - Connect equipment and peripherals
Advantages - High speed, backward compatibility and can connect multiple devices
Disadvantages - Limited distance and power supply

Question 2

Examples of wireless connectivity

What are the advantages and disadvantages

Answer 2

Bluetooth - Pairing devices
Advantages - Easy to set up and low power consumption
Disadvantages - Low data transfer and short range

WiFi direct - Connecting devices to remote displays
Advantages - Transmits both audio and video, usually built into devices
Disadvantages - Limited range and affects data connectivity

WiFi - Allows ad-hoc network to permit wireless printing
Advantages - Simple setup, uses existing WiFi infrastructure
Disadvantages - Impacts connectivity