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
Answer:
Elements
Explanation:
A computer code acts as a medium by which a person can communicate with the computer machine.
One such language is known as HTML or hypertext markup language. HTML stands for Hypertext markup language which is used to markup the language for web pages in computer.
The HTML series consists of a series of elements which are enclosed in the tags commonly called start tag and a stop tag.
Example <head>
here,
the head is a series of elements.
< start-tag
> stop-tag
Thus, element is the correct answer.
Answer:
Following are the code in the PHP Programming Language:
<u>foreach ($country_codes as $code => $name) {
</u>
Explanation:
The following option is true because the Foreach statement only works on the objects and array and this statement is good for accessing the key and value pairs from the array.
So, that's why to print following associative array through echo statement we use the Foreach loop statement with following right condition.
<u>syntax</u>:
foreach (array as value)
{
code or body to execute;
}
Crowdsourcing is used by mobile application that allows users to report the location of a pet that appears to be lost.
<h3>What is a mobile application?</h3>
A mobile application is known to be a kind of computer app or program that has been made to handle or run itself on a mobile device e.g. phone, etc.
Conclusively, the option that best describes a system that uses crowdsourcing is the mobile application that allows users to report the location of a pet that appears to be lost and upload a photo that is made available to other users of the application and thus everyone can help to look for it.
Learn more about mobile application from
brainly.com/question/9477543
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