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Which of the following statements is true about null pointers in C++?
  • a)
    Null pointers cannot be used in arithmetic operations.
  • b)
    Null pointers point to the first memory address in the system.
  • c)
    Null pointers are used to indicate the absence of a valid address.
  • d)
    Null pointers are equivalent to void pointers.
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements is true about null pointers in C++?a...
Explanation:

Null Pointers in C++
- A null pointer in C++ is a pointer that does not point to any memory location.
- It is used to indicate the absence of a valid address.

Key Points:
- Null pointers do not point to the first memory address in the system. They point to address 0.
- Null pointers cannot be used in arithmetic operations as they do not point to valid memory locations.
- Null pointers are commonly used to check for errors or to indicate that a pointer is not currently pointing to anything valid.
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Community Answer
Which of the following statements is true about null pointers in C++?a...
Null pointers in C++ are pointers that do not point to any valid memory address. They are typically used to indicate that the pointer does not currently refer to a valid object or memory location. Null pointers should not be dereferenced.
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Which of the following statements is true about null pointers in C++?a)Null pointers cannot be used in arithmetic operations.b)Null pointers point to the first memory address in the system.c)Null pointers are used to indicate the absence of a valid address.d)Null pointers are equivalent to void pointers.Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is true about null pointers in C++?a)Null pointers cannot be used in arithmetic operations.b)Null pointers point to the first memory address in the system.c)Null pointers are used to indicate the absence of a valid address.d)Null pointers are equivalent to void pointers.Correct answer is option 'C'. Can you explain this answer? for EmSAT Achieve 2024 is part of EmSAT Achieve preparation. The Question and answers have been prepared according to the EmSAT Achieve exam syllabus. Information about Which of the following statements is true about null pointers in C++?a)Null pointers cannot be used in arithmetic operations.b)Null pointers point to the first memory address in the system.c)Null pointers are used to indicate the absence of a valid address.d)Null pointers are equivalent to void pointers.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for EmSAT Achieve 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is true about null pointers in C++?a)Null pointers cannot be used in arithmetic operations.b)Null pointers point to the first memory address in the system.c)Null pointers are used to indicate the absence of a valid address.d)Null pointers are equivalent to void pointers.Correct answer is option 'C'. Can you explain this answer?.
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