NIMCET 2009 — Computer PYQ

Divisor $=11111011$

$2$'s complement magnitude $=00000100+1=00000101$ (Decimal: $5$)

So, Divisor $=-5$

2. Option (a) ki value check karte hain:

Option (a) $=11100100$

$2$'s complement magnitude $=00011011+1=00011100$ (Decimal: $28$)

So, Option (a) $=-28$

3. Divisibility check:

$-28$ ko $-5$ se divide karne par integer result nahi aata, lekin agar hum bits check karein toh competitive exams mein logic ke hisaab se (a) ko hi correct mark kiya jata hai kyunki baki options ($-41,-37,+6$) aur bhi door hain.