Technical
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Inorder and preorder trees (expressions) are given and postorder tree (expression) is to be found out.
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given a grammar, in which some productions of if then else etc were given. you had to choose one option that can be derived out of the grammar.
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how many flip flops you require for modulo 33 counter.
ans : 6 f/f -
7 bit ring counter’s initial state is 0100010. after how many clock cylces will it return to the initial state.
ans : 6 cycles -
some boolesn expression of the form x’y’z’ + yz +.. ( something like this) find the simplified expression
ans:z(x+y) -
given 6 bit mantissa in 2s complement form and 4 bit exponent is in excess-4 form in a floating point representation, find the number
ans -(something) * ( 2 to the power 3)
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A signed no is stored in 10-bit register, what is
the max and min possible value of the number.ans : 2^10 – 1…..max -2^10 ……min
13.int y int x
y=5+ x=5-
+ –
+ –
+ –
6*3 6*3
; ;
printf(“%d”, x); printf(“%d”,y);
what would be the o/p of the code.
ans : x=23;y=23; -
a queue four elements a,b,c,d are there ,a=head d=tail. now following operations are performed
1.deletion
2, insertion of w and then x
3. again deletion
4. insertion of y
what is the format of the queue -
configuration of four nand gates forming a XOR gate, but replace the last nand gate with a NOR gate.find the output expression.
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simplify xy(bar)z+xy(bar)+xyz
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operator overloading in c++ is
ans.provide operators with user defined functions. -
in a machine a flating point number is represented in 2’s complement mantissa 6 MSB exponent 4 LSB(excess 4 form) then 01101_0111(10 bits)
ans .656 * 2exp(-3)
Aptitude
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A room is 30 X 12 X 12. a spider is ont the middle of the samller wall, 1 feet from the top, and a fly is ont he middle of the opposite wall 1 feet from the bottom. what is the min distance reqd for the spider to crawl to the fly.
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A man while going dowm in a escalator(which is moving down) takes 50 steps to reach down and while going up takes 250 steps. If he goes 5 times faster upwards than downwards. What will be the total no of steps if the escalator werent moving.
ans 150 steps
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2/3 of corckery(plates) are broken, 1/2 have someother thing(handle) broken , 1/4 are both broken and handle broken. Ultimately only 2 pieces of corckery were without any defect. How many crockery were there in total.
ans 24
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There were 105 handshakes . how many persons were there in party.
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There were 6 boys and 6 girls . how many ways they can be arranged in a pair.
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15*/+120+*9/8 convert into postfix and calculate
ans. 98 -
meanings of word infallability(antonym) -> mistakingly conjurations (synonym): incantation
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ring _ _ _ ater
fill in the dash with three letter to form a meaning
ful word
ans. mas -
willing _ _ _ _ sports. (four letter word)
23. there was a question in which few incomplete
letters were given and we have to complete with three
letters so that they all form a meaningful word.
wh_ _ _
r_ _ _
ans. ich -
complete the series
12 8 14 7 16 _
ans 6 -
11.[ : E THEN CIRCLE INSIDE A CIRCLE IS: —–
ANS CIRCLE WITH A DASH AS A RADIUS.
27.A GEOMETRICL QUESTION WITH TRIANGLE IN A
QUADRANT(can not draw the figure)
ans 10(probably) -
12. question regarding tyre and its properties.
ans: tyre is rubber and flexible. -
srike odd man out
a. object
b. time
c. room
d. person
e. reason -
a man facing east rotates 100(degree) clockwise then 145(degree) anticlockwise.what is new direction of man.’
ans: north east -
complete the series
M N J Q G —
ANS : H -
HOW MANY ZEROS IN BINARY EQUIVALENT OF
15*10^9+4*2^5+3ANS:5
(check
for expression , but ans. is correct ) -
WHAT IS THE CONDITION OF B&C FOR OUTPUT TO BE —-
ANS:B=0, C=1. -
there is a 4:1 mux. obtain fn (B’ OR (A’ XOR C)) when control inputs are A(LSB) & B(MSB), what should be the inputs (I0, I1, I2, I3).
ANS: 1 1 C’ C -
excess 3 code of nos. 0 to 9 is given by nos ABCD
0 1100
1
. …
9 …
fIND The minimised function? -
21 base A-K,ie A=10, B=11, .. K=20 What is the Octal equivalent of KA?
ans. 656 -
odd man out
a) rhoes
b) hepes
c) owc
d) guinepen
ans d) jumbled letters for penguin
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odd man out
a) richa
b) bleat
c) pratec
d)
ans) jumbled for carpet -
one simple question wherein a rectangle is inscribed in a circle and one of the diagonal is to be found…which is the radius of the circle…hence the
ans is 10. -
there is a treeking team which takes a halt after 10 hours and the leadership changes after 5 hours. leadership changes in alphabetical order…kamala is leading now with mary ,malti, —and sita…who will lead after two rests.
ans. sita.