What does the following HTML code snippet define? Jack
Smith
50

A. a heading
B. a list
C. a block of text
D. a row of a table

that line of code is written in the python programming language. put simply, a programming (or coding) language is a set of syntax rules that define how code should be written and formatted. thousands of different programming languages make it possible for us to create computer software, apps and websites.

explanation:

that without the operating systems you would have to control and synchronize computer hardware.