Malicious software is known as Malware. Malicious software or malware is used to disrupt computer operation , steal sensitive information data, or gain an unauthorized access to private computer systems. It can be in form of executable code, scripts, active content or or software.

EEPROM : EEPROM (also E2PROM) stands for Electrically Erasable Programmable Read-Only Memory and is a type of non-volatile memory used in computers, integrated in microcontrollers for smart cards and remote keyless system, and or electronic devices to store relatively small amounts of data but allowing individual bytes to be erased and reprogrammed.

Primary storage, also known as main storage or memory, is area in a computer in which data is stored for quick access by computer's processor. The terms random access memory (RAM) and memory are often as synonyms for primary or main storage.