The mid season correction is a practice

Which of the following is TRUE about symbol tables?

Which of these is an example of a peephole optimization technique?

An "activation record" (or stack frame) is created for each function call and typically contains:

If an expression `x = a + b` is computed, and later in the same basic block, `y = a + b` is computed, a compiler can apply which optimization?

Which phase of a compiler is responsible for creating a stream of tokens from the input source code?

Which of the following parsers is the most powerful (can parse the largest class of grammars)?

A grammar that produces multiple parse trees for the same input string is called:

Which phase of the compiler checks the type consistency of the program?

A 3-address instruction typically has the form:

Which parser is most commonly used in modern compilers?