Answer:
hope you like it
Explanation:
Two types of power supplies exist, DC-DC and AC-DC. DC-DC power supplies allow you to plug in electrical devices into car outlets or similar sources that supply direct current, or DC, power. These power supplies are not the most commonly used, though.
Classification of Power Supply and Its Different Types
OUTPUT = DC OUTPUT = AC
INPUT = AC Wall wart Bench power supplies Battery charger Isolation transformer Variable AC supply Frequency changer
INPUT = DC DC-DC converter Inverter Generator UPS
The statement that Cascading style sheets (CSS) use special hypertext markup language (HTML) tags to globally define font characteristics for a variety of page elements as well as how those elements are laid out on a web page is true. <span> CSS is a stylesheet language used to describe the presentation of a document written in HTML or XML.</span>
The correct answer is a. (view tab | zoom group).
<span>Knowledge of html and css is considered essential for the job of a web-designer. Html and css are useful if you want to build an informational web-site or landing page. Html is used for page structure and basic style. Css used for advanced styles, it helps you to make your web-site look prettier. If you want to make the advanced functions on your web-site, you should use javascript or php.</span>
You can add row, table, columns or cells
