Answer:
A. Hertz ----f amplitude.
Explanation:
The rules of physics confirm that frequency is measured in HERTZ and the amplitude is measured in Decibel. And hence, the correct option here is certainly the first option as it states that the frequency is measured in HERTZ and the amplitude is measured in Decibel. Hence, the first one is the correct choice for this question.
<span>The client browser requests a page from a Web server.</span>
Answer:A) Internet cafe
Explanation: Internet cafe is the place that provides the internet service to the public and helps them to access the internet .These cafes can be used by the public who are travelers, people who don't have access at home etc.This internet cafe works on the basis of the hourly rate that it takes from the public.
Rest of the options are incorrect as intranet and extranet are types of network and LogMeIn is a desktop service .thus, the correct option is option(A).
Every program that interacts with people responds to a specific set of commands. The set of commands and the syntax for entering them is called the user interface and varies from one program to another. The DOS operating system makes a distinction between internal and external commands.