CS201 Final Term MCQs by Miss Mehwish

CS201 · Introduction to Programming · Final Term (Live Quiz) · Past Papers for Mids./Finals are also Available

Q1. One ✔️

Zero

Two

Q2. Identify the correct method of adding two strings, s1 and s2.

s1, s2+

strcat(s1, s2);

s1+s2 ✔️

s1+s2 and strcat(s1,s2)

Q3. *this is a pointer that always points to

A Value of data member

Current pointer of the class

Current object of the class ✔️

Current function of the class

Q4. Let suppose

int a, b, c, d, e; a = b = c = d = e = 42; This can be interpreted by the compiler as:

(a = b = (c = (d = (e = 42)))); ✔️

a = b = (c = (d = (e = 42)));

a = (b = (c = (d = (e = 42))));

(a = b) = (c = d) = (e = 42);

Q5. When the compiler overloads the assignment (=) operator by default, then:

Compiler does member wise assignment. ✔️

Compiler does not do member wise assignment.

Compiler does not allow default assignment operator

Class members are not assigned properly

Q6. What is the function of the following statement to delete an array of 5 objects named ‘arr’ allocated using the new operator?

delete arr;

Results in syntax error ✔️

Deletes only one object of array

Deletes all the objects of array

Do not delete any object

Q7. The only operator that the compiler overloads for user-defined data types by default is:

Minus (-) operator

Q8. a member function?

Q9. What is the meaning of a bad bit in I/O operation:

Lost data

Wrong data

Bad data

Error in data ✔️

Q10. Overloaded member operator function is always called by _______.

Primitive data type

Object ✔️

Compiler

Class

Q1. What is meant by the following statement?

String str[5] = {String(“Programming”), String(“CS201”)};

Default constructor will be called for all objects of array

Parameterized constructor will call for first 2 objects and default constructor for remaining objects

Default constructor will call for first 2 objects and parameterized constructor for remaining objects

Parameterized constructor will be called for all objects of array