1.The hardware that allows data to be transmitted from a computer along a telephone line to another computer at the other end is a modem

keyboard

visual display unit

printer

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To insert a column without using commands in any tabs, a user can -click and then click insert column.

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Can online classes such as gradpoint track your ip location like if im taking a final and i give somebody else my account and they take the final for me will it show where they are taking the final from? and can this be countered with a vpn