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CDA3101-Fall2011-Recitation07

CDA3101-Fall2011-Recitation07 - Division(Signed Divide-61...

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Division (Signed) Divide -61 by 9, and 61 by -9. -How many bits do we need? 7 -How did we get this number? 61 = 0111101 9 = 0001001 -61 = 1000011 -9 =1110111
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-61 / 9 Operation: A Q M Count Shift 1111111 1000011 0001001 7 Add 1111111 0000110 0001001 7 Restore 0001000 0000110 0001001 7 Shift 1111111 0000110 0001001 6 Add 1111110 0001100 0001001 6 Restore 0000111 0001100 0001001 6 Shift 1111110 0001100 0001001 5 Add 1111100 0011000 0001001 5 Restore 0000101 0011000 0001001 5 Shift 1111100 0011000 0001001 4 Add 1111000 0110000 0001001 4 Restore 0000001 0110000 0001001 4 Shift 1111000 0110000 0001001 3 Add 1110000 1100000 0001001 3 Insert 1 1111001 1100000 0001001 3 Shift 1111001 1100001 0001001 2 Add 1110011 1000010 0001001 2 Insert 1 1111100 1000010 0001001 2 Shift 1111100 1000011 0001001 1 Add 1111001 0000110 0001001 1 Restore 0000010 0000110 0001001 1 Done 1111001 0000110 0001001 0
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61 / -9 Operation: A Q M Count Shift 0000000 0111101 1110111 7 Add 0000000 1111010 1110111 7 Restore 1110111 1111010 1110111 7 Shift 0000000 1111010 1110111 6 Add 0000001 1110100 1110111 6 Restore 1111000 1110100 1110111 6 Shift 0000001 1110100 1110111 5 Add 0000011 1101000 1110111 5 Restore 1111010 1101000 1110111 5 Shift 0000011 1101000 1110111 4 Add 0000111 1010000 1110111 4 Restore 1111110 1010000 1110111 4 Shift 0000111 1010000 1110111 3 Add 0001111 0100000 1110111 3 Insert 1 0000110 0100000 1110111 3 Shift 0000110 0100001 1110111 2 Add 0001100 1000010 1110111 2 Insert 1 0000011 1000010 1110111 2 Shift 0000011 1000011 1110111 1 Add 0000111 0000110 1110111 1 Restore 1111110 0000110 1110111 1 Done 0000111 0000110 1110111 0
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Conversion Convert -35,217 to unsigned hexadecimal form. Then convert it to signed hexadecimal form.
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