I believe the answer is D, document object model. Conditional Statements deal with if statements, iterative structures are while and for loops, HTML tags are the tags which help to format and define a webpage, and src attribute deal with specifying external sources for certain tags.
Answer:
<h3>Norman only likes to stuff birds, not other animals.</h3>
Short answer, you don't. Modern Processors are made up of billions of transistors and are built in multi million dollar factories that have equipment just for that purpose.
