CS201P Final Term Quiz 8 July 2023 by Miss Mehwish

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Q1. In C++, `atof()` function is used to convert ________.

1. Character string to long integer
2. Character string to integer
3. Character string to short
4. Character string to float

Correct option: d) Character string to float

Q2. In C/C++ language, the subscript of an array starts from ______.

1. 0
2. 1
3. 2
4. 3

Correct option: a) 0

Q3. Which of the following is not a file opening mode?

1. ios::trunc
2. ios::nocreate
3. ios::ate
4. ios::in

Correct option: b) ios::nocreate

Q4. In C++, what is the correct syntax for accessing the fifth element of an array?

1. a[5]
2. a[4]
3. a(5)
4. a(4)

Correct option: b) a[4]

Q5. In C++, the precise way to declare a pointer is:

1. int ptr*;
2. int ptr;
3. int * ptr;
4. int & ptr;

Correct option: c) int * ptr;

Q6. To create an output file stream, we must declare the stream to be of class:

1. iostream
2. ifstream
3. ofstream
4. cstream

Correct option: c) ofstream

Q7. Which of the following is the correct method to declare an array?

1. [size] array name data type;
2. data type array name [size];
3. array name data type [size];
4. array name [size] data type;

Correct option: b) data type array name [size];

Q8. From the following code, what will be the size of the array "name"?

char name[] = " My full name";

a) 12 b) 1 c) 3 d) 14

Correct option: d) 14

Q9. What will be the output of the following code?

int main() {