Answer:
Web searching is when one types keywords into a search engine to retrieve data.
You're welcome.
Answer:
i think its the second one
Explanation:
AltGr (also Alt Graph) is a modifier key found on many computer keyboards (rather than a second Alt key found on US keyboards). It is primarily used to type characters that are not widely used in the territory where sold, such as foreign currency symbols, typographic marks and accented letters.
Answer:
1. C
2. A
Explanation:
IaaS which is also known as Infrastructure as a service is an outsourced cloud computing infrastructure service that offers resources such as storage, server, and network connections. Examples of IaaS providers include organizations like Microsoft’s Azure and Amazon Web Service which is also commonly known as AWS. Azure, AWS are among a list of IaaS providers that offer support through monitoring and management of remote datacenters. Instead of physically purchasing hardware and servers, businesses can opt to host all their services and operations on the cloud.
The PaaS falls between IaaS and SaaS. Most developers and programmers working for big cooperates rely on PaaS to help them code and provide cloud components to applications and software. PaaS makes all the phases of program development and deployment easier and cheap. It can manage what IaaS supports like storage, virtualization, servers, and network connections. In addition, PaaS providers can manage operating systems and databases as well. Note that it is the work of the developers to manage the applications and not the PaaS providers
The reference to the root of the tree should be set to null
<h3>Can the root of a binary tree be null?</h3>
- Only the subtrees are nulled out, the root always remains and will never be set to null.
<h3>What is null root?</h3>
- null-, root. -null- comes from Latin, where it has the meaning "none; not one.
- '' This meaning is found in such words as: annul, null, nullify.
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