CLEAN: Senegal's President Wade parades around Dakar

The video tutorial provides an introduction to wireless technology and explains the basics of phone numbers, highlighting their role in communication.

What is the primary focus of wireless communication?

• To improve battery life of devices

• To reduce the cost of internet services

• To connect devices without physical cables

• To enhance the speed of wired connections

Which of the following is a recent advancement in wireless technology?

• Increased use of fiber optics

• Development of 5G networks

• Introduction of dial-up internet

• Expansion of landline services

How do phone numbers contribute to wireless communication?

• They provide a unique identifier for devices

• They increase the speed of data transfer

• They reduce the cost of wireless plans

• They enhance the battery life of phones

What is a key challenge in managing phone numbers?

• Ensuring unique allocation

• Reducing the length of numbers

• Increasing the number of digits

• Decreasing the cost of calls

Why is it important to manage phone numbers effectively?

• To reduce the size of mobile devices

• To enhance the quality of video calls

• To increase the speed of internet

• To prevent network congestion