Question: 1. A variable that contains a reference to a memory location is a(n) a. (A)pointer (B)array (C)struct (D)class (E)NONE OF THESE 2. A user-defined data

 1. A variable that contains a reference to a memory location

1. A variable that contains a reference to a memory location is a(n) a. (A)pointer (B)array (C)struct (D)class (E)NONE OF THESE 2. A user-defined data type in which labels (identifiers) are used to represent specified or default integral values is a(n)_type. (A)array (B)structure (C)enumerated (D) pointer (E)NONE OF THESE 3. Memory for a local variable is allocated from a pool of memory called (A) heap (B)queue (C)stack (D)cache (E)NONE OF THESE 4. _ is a mechanism allowing a given funetion to have many different specifications, depending on the class that implements it. (A) Multiprogramming (B)Polymorphism (C)Metamorphism (D) Object-orientation (E)NONE OF THESE 5. What output is produced by the following code? string s1, s2("Hello"); s1=s2s2[0]=J;cout

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