Lecture3_afterLecture - He-Man Dilbert Thanks to Greg...

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© Derek Click to edit Master subtitle style 1/28/2009 © Derek Chiou : EE306: Lecture 3 306: Bits and Data Types Prof. Derek Chiou University of Texas at Austin
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Administration l A survey for my office hours has been posted l A working syllabus that includes reading assignments has been posted on Google docs l http://spreadsheets.google.com/ccc?key=p_AK28TVsrOsmx-l2 l http://spreadsheets.google.com/pub?key=p_AK28TVsrOsmx-l
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l Recap l Digital abstraction l The bit as a unit of information l Basic data types l Negative numbers, 2's complement representation, sign-extension. l Hex representation of binary numbers. l Outline l Converting between bases l Logical operations on bits. AND, OR, NOT. l Arithmetic operations on numbers. ADD, SUB. [Note that x+x = left shift] l Other representations
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Unformatted text preview: He-Man Dilbert Thanks to Greg Militello for finding this http://www.dilbert.com/strips/comic/1992-09-08/ Some More Notation l B = Byte l b = bit l K = 1024 l M = 1024 * K l G = 1024 * M l T = 1024 * G Binary->Decimal Decimal->Binary Logical Functions: AND Logical Functions: OR Logical Functions: NOT Logical Functions: XOR Bit Vector 32b Floating Point S Exponent Mantissa (fraction) 1 8 23 N = (-1)S * 1.fraction * 2 exponent-127 normalized ASCII l American Standard Code for Information Interchange l Each keyboard key is identified by a unique ASCII code (integer) l ASCII(0) = 0d48 l ASCII(1) = 0d49 l ASCII(9) = 0d57 l ASCII(a) = 0d97 l ASCII(z) = 0d122 l Etc. Switches and Gates...
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This note was uploaded on 02/24/2011 for the course EE 306 taught by Professor Ambler during the Spring '07 term at University of Texas at Austin.

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Lecture3_afterLecture - He-Man Dilbert Thanks to Greg...

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