CS201 Quiz 4 2026 by Iqra Azhar

CS201 · Quiz No.4 Jan 2026 · VU Zone | Iqra Azhar Official · Our Services

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90% To 100% Marks

1. The friend function of a class can have access

o to the protected data members o to public, private and protected data members ✅ o to the public data members only o to the private data members

Q2. Why is malloc() discouraged in C++ for objects?

o It is slower than new. o It only works with primitive types. o It cannot allocate memory. o It does not call constructors/destructors ✅

3. With user data type variables (Objects) self assignment can produce

o Logical error ✅ o Syntax error o Link error o Run time error

4. Identify the correct method of adding two strings, s1 and s2. o s1+s2 ✅ o s1, s2+ o strcat(s1, s2); o s1+s2 and strcat(s1,s2) ✅

Q5. Which of the following is the correct definition of streams?

o It is an unordered sequence of bytes o It is an unordered sequence of bits o It is an ordered sequence of bits o It is an ordered sequence of bytes ✅

6. Choose the operator which cannot be overloaded in C++. o | | o ? ✅ o ~ o &