Glossary

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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 and microSD 
is 15 x 11 x 1 mm.

Micro-USB

 - 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.

S

Service Tag

 - A bar code label on your tablet that identifies your tablet 

when you call Dell for customer service or technical support.