Binary
Hexa
Penta
Octal
Firmware program
Software bug
Hardware program
Algorithm
Word size
Source code
Instruction set
Cache
Button user interface
Icon user interface
Character user interface
Graphical user interface
Application program
Operating system
Network
Utility
256 different characters
512 different characters
128 different characters
1024 different characters
Presentation graphics
Project management
Word processing
Database
Syntax errors
Semantic errors
Internal errors
Logical errors
HTML
DML
XML
HTTP
Translator
Interpreter
Compiler
Assembler