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Compiler Design

Practice Compiler Design MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 50 practice questions with answers and explanations.

Which of the following best describes Lexical pattern matching?
Identify the correct concept described as: a technique that compiles code into machine instructions at runtime rather than before execution.
Just-in-time (JIT) compilation is best defined as which of the following?
A code optimization technique that examines a small set of adjacent instructions to replace them with a more efficient sequence. What is this concept called?
Choose the correct description of Peephole optimization.
Which of the following best names the concept in which a compiler capable of creating executable code for a platform other than the one on which the compiler itself runs?
What is the function or purpose of Cross-compiler?
The concept in which an intermediate, platform-independent representation of source code designed to be executed by a virtual machine is best known as which of these terms?
Identify the correct definition of Bytecode.
What term describes the following? a compiler process that verifies whether operations in a program are performed on compatible data types.
In computer science, Type checking refers to which of the following?
Select the correct name for: the part of a compiler responsible for analyzing source code, including lexical, syntax, and semantic analysis.
The concept in which a program that translates assembly language source code into machine code is best known as which of these terms?
Identify the correct definition of Assembler.
What term describes the following? a program that combines multiple object files generated by a compiler into a single executable program.
In computer science, Linker refers to which of the following?
Select the correct name for: a program that loads an executable file into memory and prepares it for execution.
Which statement correctly explains Loader?
Which concept is defined as follows: a parsing strategy that builds a parse tree starting from the input tokens and working up toward the start symbol?
What is Bottom-up parsing primarily used for?

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