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[]

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

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

strstr

strupr

strupr

strcmp

strcmp

strchr

strchr

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

PrepInsta User

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()

rand()

pow()

pow()

sqrt()

sqrt()

sinh()

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

Compiling

Expanding

Expanding

Linking

Linking

None of the above

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

realloc() can change the memory size of arrays

Unary operator works on only one operand

Unary operator works on only one operand

Struct and Union works in same way.

Struct and Union works in same way.

None of the above

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

continue

break

break

goto

goto

return

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

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

Yes

No

No

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

PrepInsta User

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

It will run for ever

It will run for ever

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

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

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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