Answer:
In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically "0" and "1". The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.
Answer:
B. Malware
Explanation:
Malware is general to most harmful programs on a computer, as Adware is a potentially unwanted program that is designed to advertise other programs or services. And ransomware is a program that will encrypt important user files such as; documents, pictures, and videos. Spyware is a program that is designed to spy on users, examples are; using your camera without your consent, key-loggers, and taking screenshots of our desktop. Thus i believe it is malware because the question covers multiple categories.
Janelle should have clicked Save & Close to close the contact.