Cadence Design India Written Test Paper – Technical Questions:
Recent Cadence Technical Test Problems:
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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
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7 bit ring counter’s initial state is 0100010. after how many clock cylces will it return to the initial state.
ans : 6 cycles
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some boolesn expression of the form x’y'z’ + yz +.. ( something like this) find the simplified expression
ans:z(x+y)
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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. -
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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)
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