GATE CSE 2000 | Question: 1.16

Question

Aliasing in the context of programming languages refers to

• A. multiple variables having the same memory location
• B. multiple variables having the same value
• C. multiple variables having the same identifier
• D. multiple uses of the same variable

Comments

Option A.

https://en.wikipedia.org/wiki/Aliasing_(computing)

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A

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So Lets take an example of aliasing :

int a = 10 ;

int *p = &a ;

int *q = &a ;

Now pointers p and q are referencing to the same object a .

Hence a is aliased , in simple terms it means that the memory location of a can be accessed using different names p and q .

Answer 1

ans c)

Comments

Option a is more appropriate.