Class 7 Exam > Class 7 Questions > Choose the right option.string* x, y;a)x is a...
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Choose the right option.
string* x, y;
- a)x is a pointer to a string, y is a string
- b)y is a pointer to a string, x is a string
- c)both x and y are pointers to string types
- d)y is a pointer to a string
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Choose the right option.string* x, y;a)x is a pointer to a string, y i...
Pointer to String
Explanation:
In programming, a string is a sequence of characters. A pointer is a variable that stores the memory address of another variable. So, a pointer to a string is a variable that stores the memory address of the first character in a sequence of characters (string).
In this case, variable x is a pointer to a string. It means that x stores the memory address of the first character of a sequence of characters (string). On the other hand, variable y is simply a string. It means that y is a sequence of characters, and it does not store any memory address.
Option A: x is a pointer to a string, y is a string.
This option is correct because x is a pointer that stores the memory address of the first character of a sequence of characters (string). On the other hand, y is simply a sequence of characters.
Option B: y is a pointer to a string, x is a string.
This option is incorrect because y is not a pointer, it is simply a string. On the other hand, x is a pointer that stores the memory address of the first character of a sequence of characters (string).
Option C: Both x and y are pointers to string types.
This option is incorrect because y is not a pointer, it is simply a string. Only x is a pointer that stores the memory address of the first character of a sequence of characters (string).
Option D: y is a pointer to a string.
This option is incorrect because y is not a pointer, it is simply a string.
Explanation:
In programming, a string is a sequence of characters. A pointer is a variable that stores the memory address of another variable. So, a pointer to a string is a variable that stores the memory address of the first character in a sequence of characters (string).
In this case, variable x is a pointer to a string. It means that x stores the memory address of the first character of a sequence of characters (string). On the other hand, variable y is simply a string. It means that y is a sequence of characters, and it does not store any memory address.
Option A: x is a pointer to a string, y is a string.
This option is correct because x is a pointer that stores the memory address of the first character of a sequence of characters (string). On the other hand, y is simply a sequence of characters.
Option B: y is a pointer to a string, x is a string.
This option is incorrect because y is not a pointer, it is simply a string. On the other hand, x is a pointer that stores the memory address of the first character of a sequence of characters (string).
Option C: Both x and y are pointers to string types.
This option is incorrect because y is not a pointer, it is simply a string. Only x is a pointer that stores the memory address of the first character of a sequence of characters (string).
Option D: y is a pointer to a string.
This option is incorrect because y is not a pointer, it is simply a string.
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Community Answer
Choose the right option.string* x, y;a)x is a pointer to a string, y i...
* is to be grouped with the variables, not the data types.
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Choose the right option.string* x, y;a)x is a pointer to a string, y is a stringb)y is a pointer to a string, x is a stringc)both x and y are pointers to string typesd)y is a pointer to a stringCorrect answer is option 'A'. Can you explain this answer?
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