Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Which of the following is false?a)Address is ...
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Which of the following is false?
- a)Address is the numeric value associated with a memory location.
- b)Two variables can have the same address.
- c)Address is bound to a variable by the compiler.
- d)Value of a variable can be an address.
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Which of the following is false?a)Address is the numeric value associa...
Since address to some of the variable assigned at run time which is assigned by operating system. Two variable can have same address at different instance of time.
Most Upvoted Answer
Which of the following is false?a)Address is the numeric value associa...
False Statement: Address is bound to a variable by the compiler.
Explanation:
Memory Addresses:
- In computer systems, memory is divided into small units called bytes, and each byte is assigned a unique numeric value called an address.
- These addresses are used to locate and access data stored in memory.
- The size of the address depends on the architecture of the system. For example, in a 32-bit system, addresses are typically 32 bits long.
Variables:
- In programming, variables are used to store and manipulate data.
- Each variable has a name and a value associated with it.
- Variables are stored in memory, and the address of a variable represents the location where its value is stored.
True Statements:
a) Address is the numeric value associated with a memory location.
- This statement is true. The address represents the location of a memory location.
b) Two variables can have the same address.
- This statement is true. In some cases, two variables can share the same memory location. This can happen, for example, when one variable goes out of scope and another variable is created.
d) Value of a variable can be an address.
- This statement is true. In some cases, the value of a variable can be an address. This is often seen in pointers, where a variable can store the memory address of another variable.
Explanation of False Statement:
c) Address is bound to a variable by the compiler.
- This statement is false. The address of a variable is determined by the operating system and the runtime environment, not the compiler.
- The compiler is responsible for associating the variable name with its memory address during the compilation process, but it does not directly bind the address to the variable.
- The binding of the address to a variable occurs at runtime when the program is executed.
Conclusion:
The false statement is option 'C' - Address is bound to a variable by the compiler. The binding of the address to a variable occurs at runtime, not during the compilation process.
Explanation:
Memory Addresses:
- In computer systems, memory is divided into small units called bytes, and each byte is assigned a unique numeric value called an address.
- These addresses are used to locate and access data stored in memory.
- The size of the address depends on the architecture of the system. For example, in a 32-bit system, addresses are typically 32 bits long.
Variables:
- In programming, variables are used to store and manipulate data.
- Each variable has a name and a value associated with it.
- Variables are stored in memory, and the address of a variable represents the location where its value is stored.
True Statements:
a) Address is the numeric value associated with a memory location.
- This statement is true. The address represents the location of a memory location.
b) Two variables can have the same address.
- This statement is true. In some cases, two variables can share the same memory location. This can happen, for example, when one variable goes out of scope and another variable is created.
d) Value of a variable can be an address.
- This statement is true. In some cases, the value of a variable can be an address. This is often seen in pointers, where a variable can store the memory address of another variable.
Explanation of False Statement:
c) Address is bound to a variable by the compiler.
- This statement is false. The address of a variable is determined by the operating system and the runtime environment, not the compiler.
- The compiler is responsible for associating the variable name with its memory address during the compilation process, but it does not directly bind the address to the variable.
- The binding of the address to a variable occurs at runtime when the program is executed.
Conclusion:
The false statement is option 'C' - Address is bound to a variable by the compiler. The binding of the address to a variable occurs at runtime, not during the compilation process.
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Which of the following is false?a)Address is the numeric value associated with a memory location.b)Two variables can have the same address.c)Address is bound to a variable by the compiler.d)Value of a variable can be an address.Correct answer is option 'C'. Can you explain this answer?
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