Domain 1.0 : Mobile Devices

Question 1

What does a System on a Chip (SOC) combine?

Answer 1

System on a Chip (SOC) Will combine CPU, RAM, Storage and more

Question 2

What is IP68 rating mean ?

Answer 2

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

Question 3

What’s is IP67?

Answer 3

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

Question 4

What is IP65 ?

Answer 4

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

Question 5

What is the standard Bluetooth range

Answer 5

33 feet or 10 meters

Question 6

What technology do true E-Readers use as their screen?

Answer 6

Electronic paper technology

Question 7

What is a device driver?

Answer 7

Small program that controls the device and acts as a software interface between the device (hardware) and Operating system (OS)

Question 8

What is used to beige the gab between the hardware and operating system (OS)

Answer 8

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

Question 9

Common form factor for Hard Drives

Answer 9

3.5, 2.5 or 1.8 for ultra small laptops

Question 10

How many data and power connector does a 2.5 hard drive have ?

Answer 10

7 data connectors and 15 power connectors

Question 11

What does DDR stand for ? And what is it used for ?

Answer 11

DDR Stands for Double data Rate.

Question 12

DDR’s and their pin format

DDR
DDR2
DDR3
DDR4

Answer 12

DDR = 200 - Pin
DDR2 = 200 - Pin
DDR3 = 204 - Pin 
DDR4 = 260  - Pin

Question 13

What two Bluetooth devices connect you’re creating a ___ Network ?

Answer 13

Personal Area Network (PAN)

Question 14

What is a WWAN ?

Answer 14

Wireless Wide Area Network (WWAN) also known as Cellular

Question 15

What does a Active Matrix Screen mean?

Answer 15

Active matrix means each pixel is attached to a transistor and capacitor

Question 16

What is the Graphic processing unit compose of ?

Answer 16

Screen and Video card = GPU

Question 17

What is one way to make a laptop run faster?

Answer 17

Replace the hard drive. Example, If a laptop contains a magnetic disk consider replacing it with a SSD or even a hybrid drive

Question 18

What are the types of drives available for laptops

Answer 18

SSD
Magnetic disk
Hybrid
Or even a M.2

Question 19

Acceptable operating temperature range

Answer 19

50-95 Fahrenheit

Question 20

Acceptable temperature storage range

Answer 20

-4 - 140 Fahrenheit

Question 21

How many pin points does a laptop speaker have ?

Answer 21

7 pin connector

Question 22

How many connections does a display inverter have?

Answer 22

The inverter has 2 connections.

1 for the display and another with high voltage that connects to the power.

Question 23

What IEEE standard does Bluetooth use?

Answer 23

802.15

Question 24

Common micro architecture used for the SOC of a tablet is called

Answer 24

Arm, which is a type of reduced instruction set computing (RISC)

Question 25

What is phone as modem (PAM)

Answer 25

PAM Is a used to share the phone internet connection with other computers via USB also known as tethering

Question 26

What port does POP3 use ?

Answer 26

Port 110 for unsecured connections

Port 995 for secured encryption

Question 27

What port does IMAP use?

Answer 27

Port: 143
Secured: 993

Question 28

What does PRL stand for

Answer 28

Preferred Roaming List