Answer:
Ransomware. Ransomware is a type of malware that can restrict users from accessing a system or data, and even delete or publish data if a ransom is not paid. It can restrict a user from access to files through encryption. There is still no guarantee that paying the desired ransom will restore systems or data. Explanation:
Answer:
True
Explanation:
The hexadecimal numbering is the most used numeric system for international operations in a computer, in our daily life we use the decimal system but for the CPU use the byte or octet as a basic unit of memory, we need more than 10 digits, and the hexadecimal system has 16, in addition, the binary system is hard to understand.
Safety critical software is directly affecting life critical systems in mass transit, air traffic control, nuclear reactors, missile systems, medical treatment systems. Safety-critical software system is a computer system whose failure or malfunction may severely harm people's lives, environment or equipment.