The data transfer rate over the ADSL connection is 1,024,000 bps. It took 5 seconds to transfer

The data transfer rate over the ADSL connection is 1,024,000 bps. It took 5 seconds to transfer the file over this connection. Determine the file size in kilobytes.

Let’s make a proportion. We take into account that I = V * t, where V is the data transfer rate, t is the transfer time.

1 byte – 8 bits

x bytes – 1,024,000 bits

x = 1,024,000 / 8 = 128,000 bytes / s (baud rate)

128000 * 5 = 640000 bytes weighs the file

1 kilobyte = 1024 bytes

640000/1024 = 625 KB weighs the file