{"id":55713,"date":"2024-04-16T00:32:05","date_gmt":"2024-04-16T00:32:05","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=55713"},"modified":"2024-04-16T00:32:05","modified_gmt":"2024-04-16T00:32:05","slug":"declaring-a-variable-tell-the-computer-to-allocate-a-memory-space-that-can-be-accessed-by-the-variable-name-the-size-of-the-memory-space-depends-on","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/declaring-a-variable-tell-the-computer-to-allocate-a-memory-space-that-can-be-accessed-by-the-variable-name-the-size-of-the-memory-space-depends-on\/","title":{"rendered":"Declaring a variable tell the computer to allocate a memory space that can be accessed by the variable name. The size of the memory space depends on?"},"content":{"rendered":"

[amp_mcq option1=”Length of variable name” option2=”Data type of the variable” option3=”Location of variable in program” option4=”Size of memory in computer” correct=”option2″]<\/p>\n

The correct answer is: B. Data type of the variable<\/strong>.<\/p>\n

The size of the memory space allocated for a variable depends on the data type of the variable. For example, a variable of type int will be allocated 4 bytes of memory, while a variable of type float will be allocated 8 bytes of memory.<\/p>\n

The length of the variable name does not affect the size of the memory space allocated for the variable. The location of the variable in the program also does not affect the size of the memory space allocated for the variable. The size of memory in the computer is not relevant to the size of the memory space allocated for a variable.<\/p>\n

Here is a table that shows the size of memory allocated for different data types in C++:<\/p>\n

| Data type | Size of memory allocated (in bytes) |
\n| — | — |
\n| bool | 1 |
\n| char | 1 |
\n| short int | 2 |
\n| int | 4 |
\n| long int | 8 |
\n| float | 4 |
\n| double | 8 |
\n| long double | 12 |<\/p>\n

I hope this helps!<\/p>\n","protected":false},"excerpt":{"rendered":"

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