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____________________ compression is required in many applications, such as accounting records, executable programs, and most stored documents.

The term ____ describes the ratio of data size in bits or bytes before and after compression.

The CPU communicates with a peripheral device by moving data to or from an I/O port’s dedicated bus.

Devices with low data transfer demand can use a single PCI bus lane, and devices with higher requirements can increase their available data transfer rate by using additional lanes.

Electrical current can generate a magnetic field but a magnetic field cannot generate electricity.

Magnetic disk media are flat, circular ____________________ with metallic coatings that are rotated beneath read/write heads.

SSDs are much more tolerant to shock and other negative environmental factors commonly encountered with portable devices, such as multifunction cell phones, netbooks, and laptop computers.

Magneto-optical technology peaked in the mid-1980s.

The latest trend in high-performance CPU design embeds multiple CPUs and cache memory on a single chip—an approach called ____.

Multiple-processor architecture is not common in workstations.