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Technical


 Inorder and preorder trees (expressions) are given and postorder tree (expression) is to be found out. 

 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. 

 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 expressionans: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) 

A signed no is stored in 10-bit register, what isthe max and min possible value of the number. 
ans : 2^10 - 1.....max -2^10 ......min
 
13.int y int xy=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 performed1.deletion2, insertion of w and then x3. again deletion4. insertion of ywhat 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.

simplify    xy(bar)z+xy(bar)+xyz 

operator overloading in c++ isans.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


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. 

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 

 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 

There were 105 handshakes . how many persons were there in party.

There were 6 boys and 6 girls . how many ways they can be arranged in a pair.

15*/+120+*9/8 convert into postfix and calculateans. 98 

meanings of word infallability(antonym) -> mistakingly conjurations (synonym): incantation 

ring _ _ _ aterfill in the dash with three letter to form a meaningful wordans. mas 

willing _ _ _ _ sports. (four letter word)23. there was a question in which few incompleteletters were given and we have to complete with threeletters so that they all form a meaningful word.wh_ _ _r_ _ _ans. ich 

complete the series12 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 AQUADRANT(can not draw the figure)ans 10(probably) 

12. question regarding tyre and its properties.ans: tyre is rubber and flexible. 

srike odd man outa. objectb. timec. roomd. persone. reason

a man facing east rotates 100(degree) clockwise then 145(degree) anticlockwise.what is new direction of man.,ans: north east 

complete the seriesM N J Q G ---ANS : H 

HOW MANY ZEROS IN BINARY EQUIVALENT OF15*10^9+4*2^5+3ANS:5(checkfor 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 ABCD0 11001. ...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 outa) rhoesb) hepesc) owcd) guinepenans d) jumbled letters for penguin 

odd man outa) richab) bleatc) pratecd)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 theans 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.  
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