Answer:
A) virus signature
Explanation:
Antivirus databases contain what are called signatures, a virus signature is a continuous sequence of bytes that is common for a certain malware sample.
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Encryption is a way of scrambling data so that only authorized parties can understand the information.
A large multi user program
Easy.
Hardware and software!
Did you ever try to use a computer with only mouse and monitor?
Verbal language because somebody's verbal words are more receptive then ones written word
Driving while wearing earphones
