Discussion
Match List – I with List – II and select the correct answer using codes given below :
| List-I | List-II |
|---|---|
| (a) call by reference | (i) Incorrect statement |
| (b) size of (float); | (ii) Function |
| (c) & | (iii) 4 |
| (d) return (a, b); | (iv) bitwise AND |
Answer: C
The matching is a-ii, b-iii, c-iv, d-i. Call by reference is a way of passing arguments to a function, so it goes with function. The operator sizeof(float) gives 4, the number of bytes of a float. The symbol & as a binary operator is the bitwise AND. The statement return (a, b); is an incorrect statement in the sense that a function cannot return two values this way, as the comma operator would give only b. Option (A) pairs call by reference with an incorrect statement. Options (B) and (D) reverse several of the pairs. Only (C) fits all four.
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