Answer:
There are different kinds of operating systems: such as Windows, Linux and Mac OS
There are also different versions of these operating systems, e.g. Windows 7, 8 and 10
Operating systems can be used with different user interfaces (UI): text user interfaces (TUI) and graphical user interfaces (GUI) as examples
Graphical user interfaces have many similarities in different operating systems: such as the start menu, desktop etc.
When you can recognize the typical parts of each operating system’s user interface, you will mostly be able to use both Windows and Linux as well as e.g. Mac OS.
THE ROLE OF OPERATING SYSTEM IN THE COMPUTER
An operating system (OS) is a set of programs which ensures the interoperability of the hardware and software in your computer. The operating system enables, among other things,
the identification and activation of devices connected to the computer,
the installation and use of programs, and
the handling of files.
Answer:
Explanation:
Agile testing is software testing that follows the best practices of Agile development. For example, Agile development takes an incremental approach to design. Similarly, Agile testing includes an incremental approach to testing. In this type of software testing, features are tested as they are developed.
Answer:
The question is incomplete.The full question with options is rewritten below:
"While investigating an email issue, a support technician discovers no users can access their email accounts on the company’s email server connected to the private LAN. Pinging the email server from several workstations on the LAN results in 0% packet loss.
Which of the following is the next step the technician should take in troubleshooting this issue?
A. Contact the ISP, inform the provider of the issue, and ask the provider to check the server.
B. Verify the server has a valid assigned IP address on the LAN subnet.
C. Escalate the problem to a server administrator to check for issues with the server.
D. Check the workstations on the LAN for APIPA configuration."
The answer is option (C): <em>Escalate the problem to a server administrator to check for issues with the server</em>
Explanation:
Being a Support Technician, you may not be able to determine the main issue with the mail server but may need to escalate further to the next category of individual that will confirm the issue with the mail server, in this case the server administrator as he may have higher access into the server at the back end or may directly liaise with the Private ISP.
Answer:
Opportunity cost refers to what you have to give up to buy what you want in terms of other goods or services. When economists use the word “cost,” we usually mean opportunity cost.
Explanation:
please give me a heart
Answer:
Turn off the TV and face the person who is speaking.