The answer B. a switchboard
<span>Files exist on data storage devices, such as hard disks, DVDs, USB drives, and reels of magnetic tape.
</span>Data storage<span> is the recording (storing) of information (data) and </span><span>these data storage devices use</span> a technology consisting of computer components and recording media used to retain digital data.DVDs, USBs and hard disks are examples for external data storage devices.
The answer is commas. <span>When listing columns in the select list, commas should be used to separate the columns.</span>
Answer:
The boom of online courses, where anyone can learn from the comfort of one’s own home or office at their own chosen time is the main cause. When online courses made their foray a decade ago, the same question of technology replacing teachers in schools emerged as a major argument. However, if we ask you today whether calculators can replace mathematics teachers at school, what would you say? Sounds weird, right! Do you think calculators which are also a kind of a technological advancement only, are capable enough of themselves, so as to replace the teachers? The answer is obvious. It’s an obvious No!
the answer is Headers should be descriptive of the cell content, The font size should be at least 18-point. hope this helps!!!
