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Placement Questions & Answers :: TCS Digital

71. Which of the following data structure may give overflow error, even though the current number of element in it is less than its size ?

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72. I have a problem to solve which takes as input a number n. The problem has a property that given the solution for (n-1), I can easily solve the problem for n. Which programming technique will I use to solve such a problem?

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73. Which of the following is true about comments?

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74. A language has 28 different letters in total. Each word in the language is composed of maximum 7 letters. You want to create a data-type to store a word of this language. You decide to store the word as an array of letters. How many bits will you assign to the data-type to be able to store all kinds of words of the language.

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75. function g(int n)
{
if (n > 0) return 1;
else return -1;
}
function f(int a, int b)
{
if (a > b) return g(a-b); if (a < b) return g(-b+a); return 0;
}
If f(a,b) is called, what is returned?

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76. The average search time of hashing with linear probing will be less if the load factor

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77. A character in new programming language is stored in 2 bytes. A string is represented as an array of characters. A word is stored as a string. Each byte in the memory has an address. The word "Mahatma Gandhi" is stored in the memory with starting address 456. The letter 'd' will be at which memory address?

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78. Srishti writes a program to find an element in the array A[5] with the following elements in order: 8 30 40 45 70. She runs the program to find a number X. X is found in the first iteration of binary search. What is the value of X?

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79. Vijay wants to print the following pattern on the screen: 1
1 2
1 2 3

He writes the following program:

integer i = 1 // statement 1
while ( i <= 3 )
{
int j // Statement 2
while ( j <= i ) // Statement 3
{
print j
print blank space
j = j + 1 // Statement 4
}
print end-of-line \takes the cursor to the next line i = i + 1
}

Will this program function correctly? If not which one statement will you modify to make the program function correctly?

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80. Linked lists are not suitable for

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