COMPUTER SCIENCE AND ENGINEERING
COMPILER DESIGN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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value
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place
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code
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number
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Detailed explanation-1: -a variable or scalar is a storage location paired with an associated symbolic name, which contains some known or unknown quantity of information referred to as a value. any finite sequence of characters (i.e., letters, numerals, symbols and punctuation marks).
Detailed explanation-2: -Symbol table is an important data structure created and maintained by compilers in order to store information about the occurrence of various entities such as variable names, function names, objects, classes, interfaces, etc. Symbol table is used by both the analysis and the synthesis parts of a compiler.
Detailed explanation-3: -RAM memory stores the values of variables .
Detailed explanation-4: -Dereference operator (*) As just seen, a variable which stores the address of another variable is called a pointer. Pointers are said to “point to” the variable whose address they store.
Detailed explanation-5: -The ampersand symbol & is used in C++ as a reference declarator in addition to being the address operator. The meanings are related but not identical. If you take the address of a reference, it returns the address of its target.