Compiler Construction MCQs with Answers
Practice important Compiler Construction MCQs with answers and explanations.
Multiple Choice Questions
Q991: The routine that returns a new temporary variable is called ______.
- A: lookup
- B: emit
- C: newtemp
- D: install
View Answer
C
Q992: The symbol table can be implemented as a ______ for efficient lookup.
- A: binary tree
- B: hash table
- C: linked list
- D: stack
View Answer
B
Q993: The attribute that records the symbol table location in translation is called ______.
- A: E.name
- B: E.place
- C: E.value
- D: E.temp
View Answer
B
Q994: The production E → – E1 generates code using ______ to negate the operand.
- A: newtemp
- B: emit
- C: lookup
- D: install
View Answer
B
Q995: The translation scheme for E → E1 * E2 generates a three-address code using the operator ______.
- A: +
- B: *
- C: -
- D: /
View Answer
B
Q996: The translation scheme for E → id uses ______ to get the address of id.
- A: newtemp
- B: lookup
- C: emit
- D: install
View Answer
B
Q997: Three-address code is reasonably ______ compared to other IR forms.
- A: verbose
- B: compact
- C: complex
- D: slow
View Answer
B
Q998: In three-address code, the statement format is generally:
- A: x ← y op z
- B: op x y z
- C: y ← op x z
- D: x ← op y z
View Answer
A
Q999: The purpose of newtemp() is to generate ______.
- A: new operators
- B: new symbol table entries
- C: new temporary variables
- D: new identifiers
View Answer
C
Q1000: In the translation scheme, E → ( E1 ) sets E.place to ______.
- A: E1.place
- B: newtemp()
- C: id.name
- D: emit statement
View Answer
A