This is the answer hope it helps :D
You just need a little bit of math to solve this. Add up the items and see which one would be equal to $55.00 or less.
A = $59.90 so this is not the answer
B = $60.94 so this is not the answer
C = $55.99 so this is not the answer
D = $50.97
D is the correct answer.
Answer:
C: The protocols of the Internet are open and used by all devices connected to the network
Explanation: Hope this helps.
There are billions of devices connected to the Internet, and hundreds of different kinds of devices: laptops, tablets, phones, refrigerators, handheld credit card readers, and so on. Protocols (standards) ensure that the variety of devices interact with each other smoothly. There are a lot of protocols! The Internet was designed with several layers of abstraction that sort the protocols according to what part of the process they support.
A barcode's bars have
1. different thicknesses, so they each signify 1 or 2 nibbles.
2. the combinations of the thicknesses of those bars exceed the trillions. That's why manufacturers and stores never run out of SKU barcodes.
