It is checking if the response is not yet yes
Explanation:
in fourth generation microprocessor was developed.
may it helped u
Multics was the first operating system to integrate security as its core functions.
A DNS record <span>is responsible for resolving an IP to a domain name.
</span>The term DNS record denotes a database record, stored on DNS servers used to map a URL to an IP address.
The process is the following: the URL is entered and searched in the browser, that URL is forwarded to the DNS servers and then directed to the specific Web server<span>.</span>
C)Hydroelectric I believe.