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CS143: Compilers Course Information

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Questions and Answers

Which individual is credited with inventing the term 'compiler'?

Naran Bayanbat
Rear Admiral Grace Hopper (correct)
Jinchao Ye
Keith Schwarz

What was the state of programming before the advent of machine code and assembly languages?

There was nothing (correct)
Machine code was already in use
There were high-level languages
Programming costs were minimal

What was the primary motivation for studying compilers, according to the text?

To see theory come to life (correct)
To learn how to build operating systems
To understand the history of programming languages
To explore the tradeoffs in language design

What was Rear Admiral Grace Hopper known for creating?

A-0 and COBOL (B) Signup and view all the answers

What was the major cost associated with programming in the early days of computing?

Programming costs (A) Signup and view all the answers

What is the main purpose of a compiler?

To translate a program from a source language to a semantically equivalent program in a target language (B) Signup and view all the answers

Which part of the compilation process involves determining the operations implied by the source program?

Analysis (A) Signup and view all the answers

What is the role of the semantic analyzer in the compilation process?

Performing type checking and other semantic analysis (C) Signup and view all the answers

What is the purpose of the synthesis phase in compilation?

Translating the operations determined by analysis into the target program (A) Signup and view all the answers

Which tool uses the Analysis-Synthesis model for its operations?

Static checkers (e.g. Lint and Splint) (A) Signup and view all the answers

Study Notes

Compiler History and Basics

The term 'compiler' was coined by Donald Knuth.

Early Programming Challenges

Before machine code and assembly languages, programming involved plugging in cables and setting switches.
Early programming was costly due to the laborious process of programming and debugging.

Grace Hopper's Contributions

Rear Admiral Grace Hopper created the first compiler, known as the A-0.

Compiler Purpose and Process

A compiler's primary purpose is to translate source code into machine code.
The analysis phase involves breaking down the source program into its component parts.
The semantic analyzer determines the operations implied by the source program.
The synthesis phase constructs the output program from the analyzed and optimized intermediate representation.
The compiler uses the Analysis-Synthesis model for its operations.

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Description

Learn about the structure of a compiler, the course staff, prerequisites, and the importance of studying compilers. Explore the history of compilers and the reasons to study them, including building large software systems and understanding programming languages.