H

hand-held computer
a PC small enough to hold in one hand
hand scanner
device that is moved by hand over the document or picture to convert it to a digital image
hard copy
printed on paper or other permanent media
hard disk
magnetic storage device consisting of 1 to 4 metal platters which are sealed inside a case. Usually installed inside the computer's case, though there are removable and cartridge types.
hard drive
device that controls the reading from and writing to a hard disk.
hardware
the physical parts of the computer
head
the part of the disk drive that does the reading and writing of data
header
area at the top of a page that is repeated on every page of the document
high-level language
Use program statements - words and algebra-type expressions. Developed in the 50's and 60's
host computer
computer which handles the network tasks and holds the data