ENG 274 Exam 1 Answers F 2010 X

ENG 274 Exam 1 Answers F 2010 X - Show ALL your work!...

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Show ALL your work! ANSWERS ENG 274 EXAM 1 F 2010 1.) Convert the following binary numbers to decimal numbers: 15 Points (a) 1010 2 = 1x2 3 + 0x2 2 + 1x2 1 + 0x2 0 = 8 + 2 = 10 10 (b) 1000000 2 = 1x2 6 = 1x2 3 x1x2 3 = 8x8 = 64 10 (c) 11001100 2 = 1x2 7 + 1x2 3 + 1x2 2 = 128 + 64 + 8 + 4 = 204 10 2.) Convert the following decimal numbers to binary numbers using the divide by 2 method or the subtraction method: 15 Points (a) 3/2 = 1 r=1 3 10 = 11 2 1/2/= 0 r=1 (b) Divide by 2 Method 65/2 = 32 r=1 65 10 = 1000001 2 32/2 = 16 r=0 16/2 = 8 r=0 8/2 = 4 r=0 4/2 = 2 r=0 2/2 = 1 r=0 ½ = 0 r=1 Subtraction Compact Method 65 1 0 0 0 0 0 1 65 10 = 1000001 2 64 32 16 8 4 2 1 Totals 64 65 (c) 90/2 = 45 r=0 90 10 = 1011010 2 45/2 = 22 r=1 22/2 = 11 r=0 11/2 = 5 r=1 5/2 = 2 r=1 2/2 = 1 r=0 ½ = 0 r=1 1
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Show ALL your work! Compact Subtraction Method 90 1 0 1 1 0 1 0 90 10 = 1011010 2 64 32 16 8 4 2 1 Totals 64 80 88 90 3.) Convert the following binary numbers to hexadecimal: 15 Points (a) 11110000
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This note was uploaded on 10/27/2010 for the course ECE 220 taught by Professor Strickland during the Spring '08 term at University of Arizona- Tucson.

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ENG 274 Exam 1 Answers F 2010 X - Show ALL your work!...

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