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Comptia A+ > Mobile Devices > Flashcards

Flashcards in Mobile Devices Deck (18)
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1

Laptop AC adapter

-Converts AC to DC
- Input voltage - 110 volts / 220 volts

2

OLED

-Organic Light Emitting Diode
-No backlight; The organic compound provides the light

3

LED-backlit LCD display

-LEDs around the edge of the screen
-An array of LEDs behind the screen

4

CCFL (Cold Cathode Fluorescent Lamp)

-Higher voltage and power needed
-Added thickness to the display
- No longer a common backlight

5

Dual displays

-Toggle Fn keys
- Secondary functions

6

LCD switch

- Physical switch on older systems
- Internal magnetic switch on newer portable systems
-nSet functionality in the BIOS or utility

7

USB-C

-24-pin double-sided USB connector
-Acts as a USB 3.1 / USB 2.0 connection

8

Lightning

- 8-pin digital signals

9

IMEI

-International Mobile Station Equipment Identity
-Identifies a physical mobile device

10

IMSI

-International Mobile Subscriber Identity
-Identifies the user of a mobile network

11

Retrieving email

POP3, IMAP

12

Sending email

SMTP
tcp/25
tcp/587 (secure)

13

Corporate email

Microsoft Exchange

14

POP3

-Post Office Protocol 3
-tcp/110
-SSL: POP3S tcp/995
-Used for downloading mail to local mail client

15

IMAP4

-Internet Message Access Protocol
- tcp/143
- SSL: IMAPS tcp/993
-Access mail on a central server

16

PRL updates

-Preferred Roaming List
-CDMA networks (i.e., Verizon, Sprint)
-Allows your phone to connect to the right tower

17

PRI updates

-Product Release Instructions
-Radio settings - ID numbers, network codes,
country codes, etc.
-Also updated over the air

18

Your phone is a radio

-Baseband radio processor
-