bits per second $(50Mbps).$ Using a fiber$-$optic cable, the download speed increases to $2$ Gbps$.$

a$.$ The pdf files for this text total about $65\mathrm{.}5{10}^6$ bytes $(65\mathrm{.}5MB).$ There are $8$ bits in a byte. How long does it take to download these files using a broadband connection?

b$.$ How long does it take to download the files from part $($a$)$ using a fiberoptic cable?

c$.$ The Library of Congress digital collection totals about $74$ TB$.$ How long does it take to download these files using a broadband connection?

d$.$ How long does it take to download the files from part $($c$)$ using a fiberoptic cable?

$1\mathrm{.}3$ A $27-$inch monitor contains $19201080$ picture elements, or pixels. Each pixel