Posted by rai on Saturday, April 17, 2010 at 5:32am.
1)A compressed high resolution chest xray image requires about 8MB of data. most GP surgeries are connected to the NHS network at a speed of 2Mbps. how long would it take to download a set of 6 images. give your answer to second to 2 decimal places.
2)as a part of pilot project some surgeries at distance have connection at 100 Mbps. how long would it take one of these surgeries to download the same image.

engineering  Damon, Saturday, April 17, 2010 at 7:00am
8MB/image * 6 images = 48 MB total
48 MB * (1 second/2 MB) = 24 seconds
In part 2 the transmission is 100/2 or 50 times as fast

did not notice bits to bytes shift  Damon, Saturday, April 17, 2010 at 9:51am
8MB/image * 6 images = 48 MB total
48 MB * (8 Mb/MB) * (1 second/2 Mb) = 192 seconds
In part 2 the transmission is 100/2 or 50 times as fast

engineering  drwls, Saturday, April 17, 2010 at 10:57am
This looks very much like the question I answered yesterday. That one had no part 2.
http://www.jiskha.com/display.cgi?id=1271466749
I agree with Damon's answer.

engineering  Peter, Sunday, April 25, 2010 at 7:10am
What is the answer to part two??

engineering  Peter, Sunday, April 25, 2010 at 7:13am
I mean in Scientific notation?
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