Question Bank - Computer Networks

Here's the question bank on all the computer networks topics.

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If a file consisting of 50,000 characters takes 40 seconds to send, then the data rate is ______

A.
1 kbps
B.
1.25 kbps
C.
2 kbps
D.
10 kbps

Solution:

CONCEPT:The data rate is the number of bits per second transferred.DATA:File size = 50,000 characters1 character = 8 bits1 kb = 1000 bCALCULATION:40 seconds = 50,000 characters40 seconds = 50,000 × 8 bits÷ by 40 on both sides1 second = 10,000 bits1 second = 10 kbTherefore the date rate is 10 kbps

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