smartphones that creates suggested running routes so that users can run with each other.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone's GPS unit to track a user's location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application share the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other's contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user's running route begins or ends near a particular store, the application may display an advertisement for that store. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following data must be collected from a user's smartphone in order for RunRoutr to suggest a running route? A Available running routes near the user's home The current time The starting location of the user's previous run D The user's geographic position

RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a
personal profile, and a contact list of friends who also use the application. The application uses the smartphone's GPS unit to track a user's location, running speed, and distance traveled. Users can use the
application to review information and statistics about their previous runs.
At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares
the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other's contact lists or if they typically run at similar speeds.
A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user's running route begins or ends near a
particular store, the application may display an advertisement for that store, Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application.
Which of the following data must be collected from a user's smartphone in order for RunRoutr to suggest a running route?
A
Available running routes near the user's home
B
The current time
The starting location of the user's previous run
D
The user's geographic position
Transcribed Image Text:RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone's GPS unit to track a user's location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other's contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user's running route begins or ends near a particular store, the application may display an advertisement for that store, Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following data must be collected from a user's smartphone in order for RunRoutr to suggest a running route? A Available running routes near the user's home B The current time The starting location of the user's previous run D The user's geographic position
A certain computer has two identical processors that are able to run in parallel. The following table indicates the amount of time it takes to execute each of four processes on a single processor. Assume that
none of the processes is dependent on any of the other processes.
Execution Time on
Process
Either Processor
30 seconds
10 seconds
20 seconds
S
15 seconds
Which of the following parallel computing solutions would minimize the amount of time it takes to execute all four processes?
A
Running processes P and Q on one processor and processes R and S on the other processor
B
Running processes P and R on one processor and processes Q and S on the other processor
Running processes P and S on one processor and processes Q and R on the other processor
D
Running process P on one processor and processes Q, R, and S on the other processor
Transcribed Image Text:A certain computer has two identical processors that are able to run in parallel. The following table indicates the amount of time it takes to execute each of four processes on a single processor. Assume that none of the processes is dependent on any of the other processes. Execution Time on Process Either Processor 30 seconds 10 seconds 20 seconds S 15 seconds Which of the following parallel computing solutions would minimize the amount of time it takes to execute all four processes? A Running processes P and Q on one processor and processes R and S on the other processor B Running processes P and R on one processor and processes Q and S on the other processor Running processes P and S on one processor and processes Q and R on the other processor D Running process P on one processor and processes Q, R, and S on the other processor
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