A mobile phone app allows a user to press a button that starts a timer that counts seconds. When the user presses the button again, the timer stops. Draw a flowchart and write the variable declaration that accepts the elapsed time in seconds and displays the value in minutes and seconds. For example, if the elapsed time was 130 seconds, the output would be 2 minutes and 10 seconds.

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Author:James Kurose, Keith Ross
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A mobile phone app allows a user to press a button that starts a timer that counts seconds. When
the user presses the button again, the timer stops. Draw a flowchart and write the variable
declaration that accepts the elapsed time in seconds and displays the value in minutes and seconds.
For example, if the elapsed time was 130 seconds, the output would be 2 minutes and 10 seconds.
II.
IV.
Draw a flowchart and write the variable declaration to represent the logic of a program that allows
the user to enter the grades for five subjects of a UC college student. The units are 3, 2, 6, 3 and 2
for the first to fifth subject respectively. The program computes and outputs the student's weighted
mean/average.
Transcribed Image Text:A mobile phone app allows a user to press a button that starts a timer that counts seconds. When the user presses the button again, the timer stops. Draw a flowchart and write the variable declaration that accepts the elapsed time in seconds and displays the value in minutes and seconds. For example, if the elapsed time was 130 seconds, the output would be 2 minutes and 10 seconds. II. IV. Draw a flowchart and write the variable declaration to represent the logic of a program that allows the user to enter the grades for five subjects of a UC college student. The units are 3, 2, 6, 3 and 2 for the first to fifth subject respectively. The program computes and outputs the student's weighted mean/average.
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