A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.
4- system software
2- application software
4- software package
1- assembler
2- antivirus program
That is none other than a "Trojan Horse"
Answer:
binary computer natural language