Respuesta :
When an object is declared, a location in memory is set aside for it. Out of the available assertions, this is the one that is correct.
What distinguishes a memory location from a variable?
A variable is the name of a data place in memory. A memory location is given a name called a variable. A variable's value may be modified while a programme is running. Only a name can be assigned to a memory location as a variable.
What distinguishes a variable from a rvalue?
An rvalue can occur on the right side of an assignment but not the left because it is an expression that cannot have a value assigned to it.
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The given question is incomplete. The complete question is:
A location in memory
A. is reserved whenever an object is declared.
B. is reserved when an object is used in a program.
C. can hold several different values at the same time.
D. cannot be reused once it is assigned a value.
