Lecture 1 - Programming Language Compiler

Question 1

6 (Importance of Studying Programming Languages)

Importance of Studying Programming Languages

Answer 1

• To improve your ability to develop effective algorithms
• To improve use of your existing programming language
• To increase your vocabulary of useful programming constructs
• To allow better choice of programming language
• To make it easier to learn a new language
• To make it easier to design a new language

Question 2

6 (Importance of Studying Programming Languages)

Importance of Studying Programming Languages

Answer 2

• To improve your ability to develop effective algorithms
• To improve use of your existing programming language
• To increase your vocabulary of useful programming constructs
• To allow better choice of programming language
• To make it easier to learn a new language
• To make it easier to design a new language

Question 3

?

is a computer program that transforms code written in a high-level programming language into the machine code

Compiler and Interpretation

Answer 3

Compiler

Question 4

?

It is a program which translates the human-readable code to a language a computer processor understands (binary 1 and 0 bits)

Compiler and Interpretation

Answer 4

Compiler

Question 5

?

compiler is only program and cannot fix errors found in that program.

Compiler and Interpretation

Answer 5

Compiler

Question 6

?

is a computer program, which coverts each high-level program statement into the machine code. This includes source code, pre-compiled code, and scripts.

Compiler and Interpreter

Answer 6

Interpreter

Question 7

?

do the same job which is converting higher level programming language to machine code.

Compiler and Interpreter

Answer 7

compiler and interpreters

Question 8

?

will convert the code into machine code (create an exe) before program run

Compiler and Interpreter

Answer 8

compiler

Question 9

?

convert code into machine code when the program is run.

Compiler and Interpreter

Answer 9

Interpreters

Question 10

?

Compiled code runs faster

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 10

Compiler

Question 11

?

Interpreted code runs slower

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 11

Interpreter

Question 12

?

? takes an inter program

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 12

Compiler

Question 13

?

? takes a single line of code

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 13

Interpreter

Question 14

?

? will parse all of the language statements for its correctness. If incorrect, throws an error

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 14

Compiler

Question 15

?

No linking of files or machine code generation

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 15

Interpreter

Question 16

?

If no error, the compiler will convert source code to machine

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 16

Compiler

Question 17

?

Source statements executed line by line during execution

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 17

Interpreter

Question 18

?

It links different code files into a runnable program

KEY DIFFERENCES OF COMPILER AND INTERPRETER

Compiler and Interpreter

Answer 18

Compiler

Question 19

? reads the source code, outputs executable code

Role of Compiler

Compiler and Interpreter

Answer 19

Compliers

Question 20

Translates software written in a ? into instructions that computer can understand.

Role of Compiler

Compiler and Interpreter

Answer 20

higher-level language

Question 21

It converts the text that a programmer writes into a format the ? can understand.

Role of Compiler

Compiler and Interpreter

Answer 21

CPU

Question 22

The process of ? is relatively complicated. It spends a lot of time analyzing and processing the program

Role of Compiler

Compiler and Interpreter

Answer 22

compilation

Question 23

The executable result is some form of machine-specific ?

Role of Compiler

Compiler and Interpreter

Answer 23

binary code

Question 24

The ? converts the source code line-by-line during RUN Time

Role of Interpreter

Compiler and Interpreter

Answer 24

interpreter

Question 25

# **?** **completely translates a program** written in a high-level language into machine level language | Role of Interpreter ## Footnote Compiler and Interpreter

Answer 25

Interpret

Question 26

Interpreter **allows evaluation and** **?** of the program while it is executing. | Role of Interpreter ## Footnote Compiler and Interpreter

Answer 26

modification

Question 27

Relatively less time spent for analyzing and **processing the** **?** | Role of Interpreter ## Footnote Compiler and Interpreter

Answer 27

program

Question 28

Program execution is relatively **slow compared to** **?** | Role of Interpreter ## Footnote Compiler and Interpreter

Answer 28

compiler

Question 29

(5) Compiler Construction Tools ## Footnote Compiler Construction Tools

Answer 29

* Scanner generators * Syntax-directed translation engines * Parser generators * Automatic code generators * Data-flow engines

Question 30

# **?** This tool **takes regular expressions** as input. For example **LEX for Unix Operating System.** ## Footnote Compiler Construction Tools

Answer 30

Scanner generators

Question 31

# **?** These software tools offer an intermediate code by using the **parse tree**. ## Footnote Compiler Construction Tools

Answer 31

Syntax-directed translation engines

Question 32

# **?** It has a goal of associating **one or more translations** with each node of the **parse tree**. ## Footnote Compiler Construction Tools

Answer 32

Syntax-directed translation engines

Question 33

# **?** A **?** takes a **grammar as input** and automatically **generates source code** which can parse streams of characters with the help of a **grammar**. ## Footnote Compiler Construction Tools

Answer 33

Parser generators

Question 34

# **?** **Takes intermediate code** and converts them into **Machine Language** ## Footnote Compiler Construction Tools

Answer 34

Automatic code generators

Question 35

# **?** This tool is **helpful for code optimization**. ## Footnote Compiler Construction Tools

Answer 35

Data-flow engines

Question 36

# **?** Here, information is **supplied by user and intermediate code** is **compared to analyze any relation.** ## Footnote Compiler Construction Tools

Answer 36

Data-flow engines

Question 37

# **?** It is also known as **data-flow analysis** ## Footnote Compiler Construction Tools

Answer 37

Data-flow engines

Question 38

# **?** It helps you to find out **how values** are transmitted **from one part** of the program **to another part**. ## Footnote Compiler Construction Tools

Answer 38

Data-flow engines