14. Two computers with different sound cards (one cheap and one premium) are use

Question

14. Two computers with different sound cards (one cheap and one premium) are used to listen to an MP3 audio file. Which of the following is true?

A. The audio will sound exactly the same on both computers

B. The audio should sound better on the computer with the premium sound card.

C. The audio should sound better on the computer with the cheap sound card

35. USB has various speeds. Ex. USB 1.0, USB2.0, USB3.0 With each version (iteration), compatibility with previous standards is always a concern. Pick the true statement below.

A. All USB iterations are compatible with each other.

B. None of the USB iterations are compatible with each other.

C. USB 2.0 is compatible with 1.0 and 3.0, USB 1.0 is not compatible with 3.0

Explanation / Answer

Two computers with different sound cards (one cheap and one premium) are used to listen to an MP3 audio file.B. The audio should sound better on the computer with the premium sound card. As, For the most part the onboard sound is all you will ever need these chips have come a long way since they started incorprasteing them on the motherboard, but they still do not have the quality of an add in sound card. Onboard sound chips need to use your CPU to process sound now its not as a big deal as it used to be but it still can rob your FPS games of precious power. Depending on the sample rate settings you have your onboard at you can see on average a 5fps boost by going to a add in card. USB has various speeds. Ex. USB 1.0, USB2.0, USB3.0 With each version (iteration), compatibility with previous standards is always a concern.B. None of the USB iterations are compatible with each other. As, USB 1.0 is the original iteration, which was frequently referred to as simply “USB”. The USB 1.0 technology was developed by seven companies: Nortel, DEC, Compaq, IBM, Intel, Microsoft, and NEC. It was first introduced in 1996, and was devised as a way to standardize a protocol for connecting multiple devices, getting rid of the need for multiple types of connectors and also allowing more bandwidth for devices, as USB cables were able to transfer up to 12 Mbps, which was much faster than any previous protocols. This made it a feasible way to connect hard disk drives and other devices that required high data transfer speeds to operate correctly. USB 2.0 was released in 2000 as an improvement to the USB specification. It boasted speeds of up to 480 Mbps, which was a huge improvement over the original speeds of USB 1.0. USB 2.0 became very popular and is still the most popular connection type for peripherals in use today as of this writing. Most computers and laptops include at least two USB 2.0 ports, and some include even more, owing to the increasing need for more ports to connect users’ devices. USB 3.0 was announced in November of 2008, and is yet another improvement on the original protocol. USB 3.0 products are only recently coming to the market, but it looks to be a big improvement in speed, as it can theoretically reach speeds up to 4 Gbps, which is faster than the limitation of most hard drives. While USB has been around for many years, its continued improvement and refinement means it will likely be around for many more. The promise of very fast transfer rates for USB 3.0 mean that it could replace virtually every connection on a computer or laptop.

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