Chapter 1 Mobile Devices Key Terms

Question 1

keyboard

Answer 1

an alphanumeric data entry device with a typewriter-style keyboard, additional functional, numeric, directional, and text-editing keys. It connects via a USB or PS/2 keyboard port. Also includes Fn keys for special functions

Question 2

pointing device

Answer 2

A general term for any mouse-type device

Question 3

hard disk drive (HDD)

Answer 3

A mass storage device

Question 4

solid-state drive (SSD)

Answer 4

A hard drive that uses flash memory instead of magnetic storage platters

Question 5

solid-state hybrid drive (SSHD)

Answer 5

A drive that combines a solid-state cache with magnetic capacity. It uses a memory manager to choose the most common files for the fast cache

Question 6

smart card

Answer 6

A credit card-sized card that contains stored information and might also contain a simple microprocessor or an RFID chip

Question 7

Peripheral Component Interconnect (PCI)

Answer 7

a 32-bit I/O bus that provides 33MHz or 66MHz data path between the CPU and peripheral controllers

Question 8

mPCIe

Answer 8

A slot used for diagnostic cards and for WiFi networking on recent laptops

Question 9

wireless card

Answer 9

A WiFi adapter or a USB-based wireless adapter

Question 10

Direct current (DC)

Answer 10

the type of electrical current supplied by batteries or by a PC’s power supply

Question 11

LCD

Answer 11

flat panel display technology commonly used in TVs and computer monitors. It is also used in screens for mobile devices, such as laptops, tablets, and smartphones

Question 12

Organic light-emitting diode (OLED)

Answer 12

a type of display that uses organic compounds that emit light

Question 13

Fn

Answer 13

Function; a special key on laptop keyboards that, when pressed, enables other keys to perform additional tasks, such as adjusting screen brightness or toggling the Windows desktop to an external display

Question 14

docking station

Answer 14

A device that enables laptops and other mobile devices to use devices that are not built in, such as card slots, high-end audio and video ports, and so on; requires a proprietary, dedicated external bus connector

Question 15

cable lock

Answer 15

A lock that uses a multistranded security cable to help prevent the theft of a computer or another technology device. Sometimes called a Kensington lock

Question 16

rotating/removable screen

Answer 16

A feature of two-in-one devices that allows such a device to be used as both a tablet and a laptop

Question 17

VR/AR

Answer 17

Computer simulations projected into an eye-covering headset (VR) or images layers on camera captures of the real world (AR)

Question 18

Global Positioning System (GPS)

Answer 18

a worldwide system of satellites that provides information concerning the locations of mobile devices and anything else with a GPS receiver

Question 19

mini-USB

Answer 19

A Type B USB cable (USB 1) used in cameras, phones, and so on

Question 20

Lightning

Answer 20

The proprietary, reversible Apple iOS sync/charging USB 2.0 connector. Used on older iOS devices

Question 21

hotspot

Answer 21

A method for sharing a smartphone’s Internet access via WiFi

Question 22

Near field communication (NFC)

Answer 22

a feature included in many mobile devices such as tablets for data transfer and shopping

Question 23

Bluetooth

Answer 23

A short-range wireless network used primarily by mobile devices

Question 24

Infrared (IR)

Answer 24

wireless technology waves used to transmit data. Best for short-range communication. Also used in TV remote controls

Question 25

tethering

Answer 25

the linking of a computer or other device to a smartphone in order to connect to the internet

Question 26

Airplane mode

Answer 26

A mobile device setting that turns off any wireless antenna in the device, including cellular and GPS antennas

Question 27

pairing

Answer 27

The process of connecting two wireless devices together, such as a Bluetooth or wireless mouse or keyboard and its receiver

Question 28

Personal identification number (PIN)

Answer 28

a number that identifies an authorized user for items like smartphones and debit card transactions

Question 29

Post Office Protocol version 3 (POP3)

Answer 29

an email protocol used by client computers to download or receive email.

uses port 110

Question 30

Internet Message Access Protocol (IMAP4)

Answer 30

an mail protocol that enables messages to remain on the email server so they can be retrieved from any location.

uses port 143

Question 31

Secure Sockets Layer (SSL)

Answer 31

a protocol that is used for securing online transactions.

The predecessor of TLS

Question 32

Secure/Multipurpose Internet Mail Extensions (S/MIME)

Answer 32

a standard for secure email connectivity

Question 33

Preferred roaming list (PRL)

Answer 33

a list in a wireless phone or another device that is used to select from available phone carriers for access to phone systems

Question 34

baseband

Answer 34

Firmware in a smartphone or tablet that translates cell signals to and from the onboard CPU

Question 35

International Mobile Equipment Identity (IMEI)

Answer 35

a number used to identify a cell phone on the GSM, UMTS, LTE, and iDEN networks.

Some vendors refer to these numbers as IMEI/MEID numbers

Question 36

International Mobile Subscriber Identity (IMSI)

Answer 36

a number used to identify a subscriber using a cell network. It is usually stored in the phone or tablet’s SIM card

Question 37

VPN

Answer 37

A private and secure network connection that is carried by an insecure public network, such as the Internet

Question 38

smart card reader

Answer 38

A card reader that can be built into a laptop or connected via USB for reading smart cards