The GPS device in an automobile uses the satellite communication channel. GPS stands for Global Positioning System. It is based on the satellite navigation system that consists of a number of satellites. This is being used to loacate places and determine exact location, time and speed.
RAM is an acronym in the given following.
A.RAM
<u>Explanation:</u>
From the given options, RAM stands for Random Access Memory. RAM comes under primary memory and is a volatile memory, which means the contents of a RAM are lost when the power is turned off.
The man function of RAM is to hold the data when it is being processed. Whenever the user tries to access a program or data, the control unit looks for the program first in the cache memory and then in the RAM for faster access and execution.
If the program is nowhere to be found in the RAM then it is searched in the secondary memory.
The answer is DNS
(Domain Name System)
IP addresses are difficult to remember and therefore, the internet
allows you to specify a computer using a host name. The same case happens to
DNS. It maps domain names to IP addresses. Domain names are alphabetic making them easier to remember.
If there is an about page where it tells whom made the website, as well as a copyright 2016 on the bottom of the page. This basically means the website is useful and updated by the creators. Another factor which the site doesnt always need but if it has an https at the beginning of the url then it should be good and valid because that means the site is secured. Also factor in the sections where articles are present, if they have a date and an author towards the bottom or top of the article, then it can be trusted as well. Theres a lot more you can look for in a site and validating if it is an okay site but these are a few examples. Hope this helped!:)
