Chapter 3 Lessons 1, 2, and 3
a computer component that retains data even after the power is turned off.
a unit or grouping information that has given a unique name.
Basic Input/Output System (BIOS)
a set of programs, built into a PC’s ROM chips, that controls the function of the computer’s keyboard, disk drives, monitor, and several other components; the programs also help the computer start itself when the power is turned on.
specialized chips, connected to the computer’s motherboard, which store data and programs as they are being used by the processor.
memory chips that are built into a computer, such as random access memory.
computer disk drives such as the hard drives and CD-ROM drive used to store large amounts of data.
a storage device for information that is not frequently used.
a storage device that allows users to access information but not save or change it.
a storage device that allows users to access information and save it to the device.
Sequential Storage Device
a storage device that requires a computer to scan from the beginning to the end of stored information.
Random Access Storage Device
a storage device that lets a computer go directly to the needed information.
Optical Storage Device
a storage device that uses laser beams to read the information stored on the reflective surface of a disc.
the most commonly used type of secondary storage device, which stores bits of data as aligned particles on the surface of a magnetic disk.
Floppy Disk Drives
a storage device that reads floppy disks.
the most common read-only optical storage device.