<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">1024 bytes in a kilobyte and 8 bits in a byte = 1024 * 12 = 8192 bits in a kilobyte<div><br></div><div>12KB = 12 * 8192 = 98,304 bits in 12KB</div><div><br></div><div>As to the color question. If you think in terms of 1 color assigned to each number - i.e. 1=red, 2=blue, 3= light orange etc, for 64 colors you’d need 6 bits. You were thinking in terms of the hardware where color is encoded in one of various forms including RGB</div><div><br></div><div><br><div><div><div>On Mar 5, 2014, at 1:30 AM, Sandy Graham <<a href="mailto:sandyg@gvtc.com">sandyg@gvtc.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 7.5pt;"><div class="WordSection1" style="page: WordSection1;"><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">The book I just started has this question:<o:p></o:p></span></p><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">“If a picture was made up of 64 possible colors, how many bits would be needed to store each pixel of the picture?”<o:p></o:p></span></p><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">I thought RGB values would be required so was trying to figure out an answer from that (though the book doesn’t give much information on how to do that exactly), but the answer key says the answer is 6. I can see that 2^6 = 64 and assume that’s where the 6 came from, but why is that the answer? How does 6 bits yield 64 possible colors? Don’t RGB values have to be considered?<o:p></o:p></span></p><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></p><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Then the next question asks, “How many bits are there in 12 KB?”<o:p></o:p></span></p><p class="MsoNormal" style="margin-right: 0in; margin-left: 7.5pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">So 12 * 2^10 = 12,288, right? I’m pretty confident of my answer, but I wanted to double check with a reliable source as the answer key says 98, 304 is the correct answer. The key is wrong, right</span></p></div></div></blockquote></div><br><div apple-content-edited="true">
<div><div style="orphans: 2; widows: 2; margin: 0px;"><font face="Helvetica" style="font-size: 14px;">+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=</font></div><div style="orphans: 2; widows: 2; margin: 0px;"><span class="Apple-style-span" style="font-family: Times;"><p><font face="Baskerville Old Face" size="4">Education is not the filling of a bucket, but the lighting of a fire.</font><font face="Baskerville Old Face" size="4"><br>-- W. B. Yeats</font></p><p><font face="Baskerville Old Face" size="4">The objective of education is to prepare the young to educate themselves throughout their lives.</font><font face="Baskerville Old Face" size="4"><br>-- Robert Maynard Hutchins</font></p></span></div><div style="orphans: 2; widows: 2; margin: 0px;"><font face="Helvetica" style="font-size: 14px;">=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=</font></div><div style="orphans: 2; widows: 2; margin: 0px;"><font face="Helvetica" style="font-size: 14px;">David W Binnion <a href="mailto:dbinnion@hcs-k12.org">dbinnion@hcs-k12.org</a></font></div><div style="orphans: 2; widows: 2; margin: 0px;"><font face="Helvetica" style="font-size: 14px;">Technology/Vocational Education Department Head</font></div><div style="orphans: 2; widows: 2; margin: 0px;"><font face="Helvetica" style="font-size: 14px;">Hillsboro High School</font></div><div style="orphans: 2; widows: 2; margin: 0px;">550 US 62 South<br>Hillsboro, OH 45133<br>(937) 393-3485 ext 2905</div></div>
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