Answer:
B
Explanation:
Every HTML document must begin with a declaration of what the document is going to be about.
Typography is a tool that can be used to establish a spatial hierarchy of the content.
Answer:
use of vacume tubes to make circuit
use of punch cards as I/O devices
use of high electricity
use of magnetic drums
use of machine language and symbols in instuctons
Complex scientific research is usually done using A Mainframe Computer.
<h3>What is a Mainframes computer?</h3>
Mainframes are a type of computer that generally are comprehended for their large size, amount of storage, processing power and high level of reliability. They are primarily used by large organizations for mission-critical applications requiring high volumes of data processing. In general, there are a few characteristics of mainframes that are common among all mainframe vendors:
Nearly all mainframes have the ability to run (or host) multiple operating systems. Mainframes can add or hot swap system capacity without disruption. Mainframes are designed to handle very high volume input and output (I/O) and emphasize throughput computing. A single mainframe can replace dozens or even hundreds of smaller servers.
Thus, Mainframe Computer is the answer.
To learn more about Mainframe Computer click here:
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