Domain 1.0 : Mobile Devices Flashcards
What does a System on a Chip (SOC) combine?
System on a Chip (SOC) Will combine CPU, RAM, Storage and more
What is IP68 rating mean ?
In this case IP mean Ingress Protection (IP). Protection against dust and water
6 deals with dust and means the device is sealed tight and no dust can occur
8 deals with water protection. The device can be immersed in water up to & beyond 1 meter for 30 minutes
What’s is IP67?
In this case IP mean Ingress Protection (IP). Protection against dust and water
6 deals with dust and means the device is sealed tight and no dust can occur
7 deals with water protection. Can be immersed ONLY up to 1 meter for 30 minutes
What is IP65 ?
In this case IP mean Ingress Protection (IP). Protection against dust and water
6 deals with dust and means the device is sealed tight and no dust can occur
5 deals with water protection and can protect against water Jets up to 3 minutes
What is the standard Bluetooth range
33 feet or 10 meters
What technology do true E-Readers use as their screen?
Electronic paper technology
What is a device driver?
Small program that controls the device and acts as a software interface between the device (hardware) and Operating system (OS)
What is used to beige the gab between the hardware and operating system (OS)
Basic input / output (BIOS) and or unified Extensible Firmware Interface (UEFI) and its firmware/software is used to bridge the gab between the hardware and Operating system
Common form factor for Hard Drives
3.5, 2.5 or 1.8 for ultra small laptops
How many data and power connector does a 2.5 hard drive have ?
7 data connectors and 15 power connectors
What does DDR stand for ? And what is it used for ?
DDR Stands for Double data Rate.
DDR’s and their pin format
DDR
DDR2
DDR3
DDR4
DDR = 200 - Pin DDR2 = 200 - Pin DDR3 = 204 - Pin DDR4 = 260 - Pin
What two Bluetooth devices connect you’re creating a ___ Network ?
Personal Area Network (PAN)
What is a WWAN ?
Wireless Wide Area Network (WWAN) also known as Cellular
What does a Active Matrix Screen mean?
Active matrix means each pixel is attached to a transistor and capacitor
What is the Graphic processing unit compose of ?
Screen and Video card = GPU
What is one way to make a laptop run faster?
Replace the hard drive. Example, If a laptop contains a magnetic disk consider replacing it with a SSD or even a hybrid drive
What are the types of drives available for laptops
SSD
Magnetic disk
Hybrid
Or even a M.2
Acceptable operating temperature range
50-95 Fahrenheit
Acceptable temperature storage range
-4 - 140 Fahrenheit
How many pin points does a laptop speaker have ?
7 pin connector
How many connections does a display inverter have?
The inverter has 2 connections.
1 for the display and another with high voltage that connects to the power.
What IEEE standard does Bluetooth use?
802.15
Common micro architecture used for the SOC of a tablet is called
Arm, which is a type of reduced instruction set computing (RISC)
What is phone as modem (PAM)
PAM Is a used to share the phone internet connection with other computers via USB also known as tethering
What port does POP3 use ?
Port 110 for unsecured connections
Port 995 for secured encryption
What port does IMAP use?
Port: 143
Secured: 993
What does PRL stand for
Preferred Roaming List
