Answer:
A computer network is a group of two or more computers that are linked together. Networks are usually used to share resources, exchange files or communicate with other users. so A
Explanation:
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Instructions written in code that a computer follows are called software programs.
Th e most important external issue when using social media in emergency management is the disaster response. Disseminating information through social media is very effective especially when there are calamities and a disaster respond from both private and public sector is very urgent.
I'd go with command-line interface.
A CLI enables users to type commands in a console or a terminal window expressed as a sequence of characters and presses the enter key on the keyboard to execute that command. And in this case, Sarah is typing an “open document 3” command to the command-line interface to open a file in her computer.
