4. Give four reasons why a laptop computer is more expensive than a desktop computer of the same specifications.
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ANSWER:The main reason why laptops are more expensive than desktops is in the development costs to create hardware that is compact enough and at the same time meeting an expected level of performance.And it’s not just performance that is a big challenge. It is also keeping the system cool enough that stability is maintained under most common usage conditions

The answer is d) all of the above

In windows explorer, select the file, folder, or groups of files and folders you'd like to copy. you can select multiple files or folders in several ways: click the first file or folder you want to select, hold down the ctrl key, and then click each additional file or folder you want.