Wired Wonders
What are the two main groups of transmission media?
What are wired and wireless?
What are the three main types of wireless transmission media?
What are radio signals, microwaves, and infrared?
What does frequency measure?
What is the number of wave cycles per second?
Which has the shortest range: radio, microwave, or infrared?
What is infrared?
What is a common use of coaxial cables?
What are cable TV and broadband internet?
What are twisted pair cables made of?
What are pairs of twisted copper wires?
Which type of wireless signal is used by TV remotes?
What is infrared?
What happens when frequency increases?
What is wavelength gets shorter?
Which wired cable can send data over the longest distance?
What is a fiber-optic cable?
What device uses radio signals to connect wirelessly?
What is a Wi-Fi router or mobile phone?
What type of twisted pair cable is commonly used in Ethernet networks?
What is unshielded twisted pair (UTP)?
Which wireless signal can travel the farthest?
What are radio signals?
What speed do all wireless signals travel at?
What is the speed of light (~300,000 km/s)?
Which cable type is inexpensive but limited to about 100 meters?
What is twisted pair?
What does EMI stand for?
What is electromagnetic interference?
What is the fastest wired medium/cable type?
What is Fiber-optic (cable)?
What type of transmission do microwaves use?
What is line-of-sight transmission?
What kind of signal does fiber-optic cable use?
What are light signals?
Which medium can carry the most data per second?
What is fiber-optic (wired) or microwaves (wireless)?
About how many satellites orbit Earth?
What is around 6,000 (~6,542)?
Why are fiber-optic cables more reliable than copper cables?
What is because they're immune to electromagnetic interference?
Which wireless medium is used in 5G mobile networks?
What are microwaves?
What type of cable is better protected from interference-coaxial or twisted pair?
What is coaxial pair?
Arrange these from shortest to longest wavelength: Infrared, Microwave, Radio.
What is Infrared --> Microwave --> Radio?
What makes twisted pair cables "twisted" (and why)?
What is "the copper wires are twisted to reduce EMI"?