searching the past, he has dedicated his books to accurately portraying the sights and sounds of the ... to warn the household. ... He threw a piece of meat to the dog, hoping that the dog would eat to warn the meat instead of barking
a lot of data which are pictures, movies, sounds, animations and so on. ... “Computer viruses can be more stealthily and can strike without the any warning”(Caragata Warren1995) ... 1980s.