The data transfer rate over the ADSL connection is 122880 bps.

The data transfer rate over the ADSL connection is 122880 bps. The file size is 2250 kilobytes. Determine how many seconds it takes to transfer this file.

1. Let’s translate the connection speed in kilobytes per second. To translate, you need to know that 1 byte = 8 bits and 1 kilobyte = 1024 bytes.

We get: 122880 bps = 122880/8 = 15360 bytes / s.

15360 bytes / s = 15360/1024 = 15 KB / s

The connection speed is 15 kilobytes per second.

2. Determine how many seconds it takes to transfer a 2250 kilobyte file through this connection:

2250/15 = 150 sec.

Answer: 150 seconds.



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