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Computers and Technology, 12.07.2019 22:40 173899
Let's assume that the smallest possible message is 64 bytes (including the 33-byte overhead). if we use 100base-t, how long (in meters) is a 64-byte message? while electricity in the cable travels a bit slower than the speed of light, once you include delays in the electrical equipment in transmitting and receiving the signal, the eļ¬ective speed is only about 40 million meters per second. (hint: first calculate the number of seconds it would take to transmit the frame then calculate the number of meters the signal would travel in that time, and you have the total length of the frame.)
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Write a program to analyze studentās scores. each studentās id and 4 original test scores are saved in the attached file āstudent_id_scores.txtā. assume there are exactly 15 students in the class.ā¢ the program first opens the file, reads studentās ids and scores from the file and saves them in two arrays: o create a one-dimensional string array āidsā to store the studentās ids.o create a (parallel) two-dimensional int array āscoresā to store studentās original test scores. this array has 5 columns, the original 4 test scores should be saved in the first 4 columns, and the last column will be used to save the average score after the calculation in next step.ā¢ the program then retrieves test scores from the array āscoresā, calculates average score and determines the final letter grade based on the rules in the table below for each student. assume average score is integer value.average score = (score1 + score2 + score3 + score4) / 4average score letter grade90 ~ 100 a80 ~ 89 b70 ~ 79 c60 ~ 70 d0 ~ 60 fā¢ the average score should be saved back in the 5th column of āscoresā array.ā¢ create a new parallel one-dimensional char array āgradesā to save each studentās letter grade.ā¢ program also needs to find the number of a, number of b, number of c, number of d and number of f grade. as well as the highest, lowest and average score of the class.ā¢ finally, program will display all of the original scores and all results on the computer screen using the format shown as the sample output below.ā¢ the program must contain at least the following functions: (1) a function āgetscoresā to read and store data into āidsā and āscoresā arrays.(2) a function āanalyzescoresā to calculate studentās average score, determine letter grade, get the number of a, b, c, d and f, find the highest, lowest and average score of the class.(3) a function ādisplayresultsā to display all of the results
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