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Assignment 4 Sample problems
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Convert the following decimal numbers to binary. 8 920
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Convert the following decimal numbers to binary. 8 =>1000 920 =>1110011000
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How can we get ? 8 => 8*1= 2 3 =>1000 920 =>512*1+256*1+128*1+16*1+8*1 => 2 9 +2 8 +2 7 +2 4 +2 3 =>1110011000
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Convert the following Binary numbers to Decimal. 110100 100110011
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Convert the following Binary numbers to Decimal. 110100 =>52 100110011 =>307
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How can we get ? 110100 => 1* 2 5 +1*2 4 +1*2 2 =52 100110011 =>1* 2 8 +1*2 5 +1* 2 4 +1* 2 1 +1* 2 0 = 307
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Add the following binary numbers. Express your answers in binary. 101+011=? 11010+10001=?
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Add the following binary numbers. Express your answers in binary. 101+011=1000 11010+10001=101011
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How can we get ? 101+011 => 1 0 1 + 0 1 1 => 1 0 0 0 11010+10001 => 1 1 0 1 0 + 1 0 0 0 1 => 1 0 1 0 1 1
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Subtract the following binary numbers. Express your answers in binary. 101-001=? 11010-01001=?
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Subtract the following binary numbers. Express your answers in binary. 101-001=100 11010-01001=10001
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How can we get ? 101-001 => 1 0 1 - 0 0 1 => 1 0 0 11010-01001 => 1 1 0 1 0 - 0 1 0 0 1 => 1 0 0 0 1
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Is this statement True or False? If I have an 8-bit system, 10111001 + 00110000 will result in overflow.
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Is this statement True or False? If I have an 8-bit system, 10111001 + 00110000 will result in overflow. False
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How can we get ? 1.10111001 + 00110000 10111001 + 00110000 11101001 The result is still 8-bit, so the answer is False
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Provide the two's complement of the following 8-bit numbers. 01001110 10010010
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Provide the two's complement of the following 8-bit numbers. 01001110 => 10110010 10010010 => 01101110
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How can we get ? 1: 01001110 => 10110001 (invert bits) + 00000001 (add one) => 10110010 2: 10010010 => 01101101 (invert bits) + 00000001 (add one) => 01101110
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Consider the Christmas lights circuit (with states) described in class. Let these be the expressions for the next states. A: not A B: A and B
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Fill in the table with True or False where appropriate. Time Step (sec) ABNew ANew B 0False TrueFalse 1TrueFalse 2 3
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Fill in the table with True or False where appropriate. Time Step (sec) ABNew ANew B 0False TrueFalse 1TrueFalse 2 TrueFalse 3TrueFalse
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The “period” of a pattern is the number of steps it takes before the pattern repeats. What is the period of this pattern?
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