D is the answer to that problem
I think the answer is “ A”
An internet service provider (ISP) is a company that provides web access to both businesses and consumers. ISPs may also provide other services such as email services, domain registration, web hosting, and browser services.
The purpose of a web browser is to fetch information resources from the Web and display them on a user's device. This process begins when the user inputs a Uniform Resource Locator (URL), such as wikipedia.org, into the browser.
A mobile browser is a web browser designed for use on a mobile device such as a mobile phone or PDA. Mobile browsers are optimized to display Web content most effectively for small screens on portable devices.
Computer software, also known simply as software, also known by overseas Vietnamese as software is a collection of data or commands that instruct the computer to tell the computer how to work. This is in contrast to the physical hardware, from which the system is built and actually does the work. Because it helps people perform functions that humans can't do or do for a very long time
RAM is memory in the computer
