Conventional CD discs use ____ lasers.

Which of the following is NOT a typical function performed by the OS installation program?

A. gathering system information B. backing up existing data C. configuring devices and drivers D. restarting the system

Which of the following statements is false?

a. The ARPANET is the precursor to today’s Internet. b. Today’s fastest Internet speeds are on the order of trillionsof bits per second with quadrillion-bit-per-second speeds on the horizon. c. Although the ARPANET enabled researchers to network their computers, its main benefit proved to be the capability for quick and easy communication via what came to be known as electronic mail (e-mail). d. The protocol (set of rules) for communicating over the ARPANET became known as the Transmission Control Protocol (TCP). TCP ensured that messages, consisting of sequentially numbered pieces called packets, were properly routed from sender to receiver, arrived intact and were assembled in the correct order.