1
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
What is the result of evaluating the following two expressions using three $$-$$ digit floating point arithmetic with rounding?
$$\eqalign{ & \left( {113. + - 111.} \right) + 7.51 \cr & 113. + \left( { - 111. + 7.51} \right) \cr} $$
A
$$9.51$$ and $$10.0$$ respectively
B
$$10.0$$ and $$9.51$$ respectively
C
$$9.51$$ and $$9.51$$ respectively
D
$$10.0$$ and $$10.0$$ respectively
2
GATE CSE 2002
MCQ (Single Correct Answer)
+1
-0.3
In $$2’s$$ complement addition, the overflow
A
is flagged whenever there is carry from sign bit addition
B
cannot occur when $$a$$ $$+$$ $$ve$$ value is added to $$a$$ $$-$$ $$ve$$ value
C
is flagged when the carries from sign bit and previous bit match
D
None of the above
3
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
An $$N$$-bit carry look ahead adder, where $$N$$ is a multiple of $$4,$$ employs $${\rm I}cs$$ $$74181$$ ($$4$$bit $$ALU$$) and $$74182$$ ($$4$$ bit carry look ahead generator). The minimum addition time using the best architecture for this adder is
A
proportional to $$N$$
B
proportional to log $$N$$
C
a constant
D
None of the above
4
GATE CSE 1996
MCQ (Single Correct Answer)
+1
-0.3
Both’s algorithm for integer multiplication gives worst performance when the multiplier pattern is
A
$$101010 ....1010$$
B
$$100000 .....0001$$
C
$$111111 ......1111$$
D
$$011111 .....1110$$
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Graduate Aptitude Test in Engineering
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CBSE
Class 12