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2's Comlement

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Find the 2's complement pattern for – 113?
(1) 0001111
(2) 00001111
(3) 10001111
(4) 1110001

Correct Answer: 3    Status: unattempted

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2 Answers

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-113;

binary of 113 = 1110001

2's comp of any binary number: (go from right to left)

rule 1: if any 0 occurs, ignore it.

rule 2: first 1, ignore it.

rule 3: complement every digit.

2's comp of 1110001 = 0001111 (first rule not applied, because there is no 0's)

113 = 0001111 (in 2's comp)

-113 = 10001111 (1 in mbs for -ve)

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for 2's complement ..

start reading from right to left ...

>if u get 0 ignore it untill u get single 1

>when u get 1 just ignore it

>after that change 1>0 and 0>1

you will get 2's complement

and is option -1
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