A+ Core 1 Domain 1 Definitions

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1
30 second trick
discharge the motherboard by disconnecting the power
2
desktop replacements
laptops with 101-key keyboards similar to PCs
3
DDR3
a sodimm with 204 pins
4
DDR4
a sodimm with 260 pins
5
SATA drives
have two connectors: a 7 pin data connector and a 15 pin power connector
6
SSD
A SATA drive with no moving parts and uses flash memory to store data
7
Magnetic disk
Also known as an HDD it uses an actual mechanical disk and an arm
8
Hybrid drive
uses a magnetic disk as well as SDD cache memory. Combines the capacity of a magnetic disk with the performance of an SSD
9
Biometrics
the science of identifying human beings based on their physical characteristics
10
NFC
allows two mobile devices to "beam" information to each other wirelessly if they are in close proximity
have a radio frequency of 13.56 MHz and can transmit 100 to 400 kb/s
11
LCD
generate a small amount of heat
12
TN
an LCD display that uses liquid crystals that can twist to allow light to pass through
is an older technology used on small mobile devices
13
IPS
an LCD display that aligns liquid crystals on a plane parallel to a glass substrate.
providers for a wider viewing angle than TN
14
VA
an LCD display that aligns liquid crystals vertically to a glass substrate.
offers a high contrast ratio and deeper black levels
15
LED
monitors that use RBG light emitting diodes to display images
use less power than LCDs and are more efficient
16
electroluminescence
the process of light-emitting diodes releasing photons in LED monitors
17
OLED
OLED displays are cheaper to produce and can be incredibly small
have the best black levels
18
screen inverter
in a laptop
19
touchscreen
a screen that allows for tapping or writing on the screen
20
stylus
a writing tool to take the place of a mouse
21
Wi-Fi antenna
used to connect to a wireless network
22
M.2-based cards
a wifi module
23
Mini PCIe cards
a wifi module
24
MAC ID
programmed into the ROM
25
docking station
expands a laptop so that it can behave more like a desktop computer
26
hot dock
when a laptop connects to a docking station while powered on
27
port replicator
a device similar to docking stations
28
airplane mode
disables all wireless connections
29
mobile hotspot
mobile device shares internet connection with other Wi-Fi capable devices
30
SMTP
email protocol
ports 25/465/587
31
POP3
email protocol
ports 110/995
32
IMAP
email protocol
ports 143/993
33
GPS
a satellite-based navigation system that provides geolocation to properly equipped GPS devices
34
mobile phone tracking
using multiple towers' radio signals to triangulate a more exact location of the smartphone
35
IMEI
used only to identify the device
36
IMSI
used to identify the user
37
access control
the methodology used to allow access to computer systems
38
MAM
manages specific corporate mobile applications
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