Computers And Technology High School

Portable media players (PMPs) are small portable devices that allow you to play digital music and video. They use a format called ________ that allows audio files to be compressed so they are small enough to be sent over the Internet or stored as digital files.

a) HD
b) MP3
c) SLR
d) PDA

Answers

Answer 1

Answer: The answer is a "MP3".

Related Questions

What is the result of segmenting a network with a bridge (switch)? (Choose two)

a) It decreases the number of collision domains.
b) It increases the number of broadcast domains.
c) It decreases the number of broadcast domains.
d) It makes smaller collision domains.
e) It makes larger collision domains.
f) It increases the number of collision domains.

Answers

Answer: (D) It makes smaller collision domain and (F) It increases the number of collision domains.

Explanation:

  The result of segmenting a given network with the bridge is that it basically break the domain of the collision that increases the domain number. In additionally, it also makes it more smaller.  

Switch basically expands the quantity of collision network domain in the system. Switches are designed with V-LANs will diminish the given size of domain of the collision by increasing the number of the collision domain in the network.  

​When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a _____ could ensure the sample is balanced geographically by selecting five customers from each of four zip codes.

Answers

Answer: Stratified sample

Explanation:

For preparing samples of various data of companies and enterprises we need to apply probability distribution to different samples of data. Here in the question we are to apply a representative sample from a list of 200 customers who have complained about errors in their statement. So here we can apply stratified sampling where we can divide the 200 customers into separate groups. These sub groups of the customers are known as stratas. These stratas are selected based on certain characteristics which can be identified among the customers group. Here we can form subgroups based on the type of complain that has been lodged by the customer and selecting 5 customers from four zip codes. Then it would be easy to apply probability distribution to the sub groups to derive information from them.

This process would also enable a more easier and cheaper way of sampling the customer data.

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