Glossary - H

Hacker Hard copy Hardware Hardware control

Hash total HTTP (hyper text transfer protocol) HTTPS (hyper text transfer protocol secure) Hub

Hacker
An individual who attempts to gain unauthorized access to a computer system.

Hard copy
A printed copy of information as opposed to information stored in computer readable form.

Hardware
A computer and associated physical equipment involved in data processing or communications functions as opposed to software or computer programs that provide instructions the computer follows.

Hardware control
Computer controls built into physical equipment by the manufacturer.

Hash total
Control total that has no meaning in itself except for control, e.g., total social security numbers of employees paid.

HTTP (hyper text transfer protocol)
A communication protocol used to connect to servers on the World Wide Web. Its primary function is to establish a connection with a web server and transmit HTML pages to the client browser.

HTTPS (hyper text transfer protocol secure)
A protocol for accessing a secure web server, whereby all data transferred is encrypted.

Hub
A common connection point for devices in a network, hubs commonly are used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.