Complex sentence: A vector in computing, specifically when talking about malicious code such as viruses or worms, is the "method" that this code uses to propagate itself or infect the computer and this sense is similar to, and derived from, its meaning in Biology.
Split into simpler sentences: A vector in computing, specifically when talking about malicious code such as viruses or worms, is the "method" this code uses to propagate itself or infect the computer. This sense is similar to, and derived from, its meaning in Biology.