Which of the following attributes can characterize a variable (a) Name, Address, Value, Type, Lifetime, Scope (b) Name, allocation, r-value, Type, Lifetime, Scope (c) Symbol, allocation, 1-Value,...

Which of the following attributes can characterize a variable (a) Name, Address, Value, Type, Lifetime, Scope (b) Name, allocation, r-value, Type, Lifetime, Scope (c) Symbol, allocation, 1-Value, float, Lifetime, Scope (d) Name, allocation, Address, Value, Type, Lifetime, Scope