High level low level languages

Question 1

High level

Answer 1

• Easier for humans to understand
• faster to write
• Easier to debug at development stage
• Easier to maintain

Question 2

Low level

Answer 2

• Refers to machine code
• Binary

Question 3

Translators

Answer 3

• A program must be translated to binary for computers

Question 4

Types of Translaters

Answer 4

• Compiler
• Interpreter
• Assembler

Question 5

Compiler

Answer 5

• Converts high level to low level
• used without compiler
• produces executable file
• one high level langauge converted to several machine code
• used for general purposes

Question 6

Interpreter

Answer 6

• Executes high level, one statement at a time
• Does not produce statements
• May require several instructions to be executed at once
• cannot be used without interpreter
• used when program is developing

Question 7

Assembler

Answer 7

• Translates loew level to machine
• produces executable code
• One langauge can be trasnlated at a time
• Can be used without assembler
• Used for general use

Question 8

Syntax errors

Answer 8

• When errors are found no translated program is produced
• List of all errors are produced and compiled
• Error is located and corrected