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Glossary
E
‑ Electronic mail — a method of exchanging digital messages
from an author to one or more recipients via the internet. Email
servers accept, forward, deliver, and store messages, and neither the
users nor their computers are required to be online simultaneously.
G
GRMS
‑ A unit of acceleration caused by the force of gravity. The
grms value is typically used to express the overall energy of a
particular random vibration event and is a statistical value used in
mechanical engineering for structural design and analysis purposes.
H
Hz
‑ Hertz — A unit of frequency measurement that equals 1 cycle
per second. Computers and electronic devices are often measured in
kilohertz (KHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz).
M
MicroSD
‑ micro‑Secure Digital — A smaller size of SD which is
a removable flash memory card used for storing information in
portable devices, such as mobile phones, digital cameras, and tablet
computers. The standard size of SD is 32 x 24 x 2.1 mm (1.260 x
0.945 x 0.083 inches) and microSD is 15 x 11 x 1.0 mm (0.591 x 0.433 x
0.039 inches).
Micro-USB
‑ micro‑universal serial bus — A hardware interface for a
low‑speed device such as a USB‑compatible scanner, set of speakers,
printer, broadband devices, imaging devices, or storage devices.
Devices are plugged directly in to a 5‑pin socket on your tablet, both
to communicate and to supply electric power. The micro‑USB port
can be connected to a standard USB port using micro‑USB to USB
cable.
R
Resolution
‑ The sharpness and clarity of an image produced by
a printer or displayed on a monitor. The higher the resolution, the
sharper the image.
