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TCS Ninja Miscelleneous Quiz-1

Question 1

Time: 00:00:00

Ques. 1 Which is the character array used to accept command line arguments?

char argv

char* argv[]

char argv[]

char* argv

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Question 2

Time: 00:00:00

What is a dangling pointer?

points to garbage value

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if the value in the address is deleted but the pointer points the old empty address then it is called as the dangling pointer.

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Question 3

Time: 00:00:00

Which is not a string function?

strstr

strupr

strcmp

strchr

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sir,strupr is a string function used to convert a string to uppercase

All these option are string function

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Question 4

Time: 00:00:00

Which of the following does not require to include math.h header file?

rand()

pow()

sqrt()

sinh()

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rand() is declared in header file stdlib.h

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Question 5

Time: 00:00:00

What is the task of pre-processor?

Compiling

Expanding

Linking

None of the above

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Question 6

Time: 00:00:00

Which of the following is true?

realloc() can change the memory size of arrays

Unary operator works on only one operand

Struct and Union works in same way.

None of the above

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unary operator works on the only one operator

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Question 7

Time: 00:00:00

Which of this is used to skip one iteration:

continue

break

goto

return

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Question 8

Time: 00:00:00

Which address does a pointer to an array store:

A) Memory address of the first element of the array

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Question 9

Time: 00:00:00

Predict the output: float a = 0.1; if(a==0.1) printf(“Yes”); else printf(“No”)

Yes

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0.1 is a double datatype,if we use (a==0.1f) there we get \"Yes\"

no is answer

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Question 10

Time: 00:00:00

Another output based question which basically displayed the input string in reverse pattern.



For example, ABRACADABRA was displayed as ARBADACARBA.



Comment on the below while statement



while(0 == 0) { }

It has syntax error as there are no statements within braces {}

It will run for ever

It compares 0 with 0 and since they are equal it will exit the loop immediately

It has syntax error as the same number is being compared with itself

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["0","40","60","80","100"]

["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

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