Definitions for "Block device"
Keywords:  xxith, aix, disk, drive, driver
A physical device for input or output, which interchanges data with the computer in large blocks. XXIth Century PCs can perform such transfers of data concurrently with other activities. Examples of block devices include disk, tape, and CD-ROM drives. See also Character Device.
A device that reads or writes blocks of bytes as a group. Disk drives, for example, can read and write blocks of 512 bytes or more See also: character device
a device that sends blocks of data with each read or write