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SD (Secure Digital) - definition

A Secure Digital or SD is a tiny piece of flash memory that can store a huge amount of data and can be used as an external storage chip for so many portables or devices such a music player, mobile phone, car players, GPS navigators, consoles, tablets, computers and so on. It is a non-volatile memory that can keep the data stored even without power. It is a family of solid-state storage devices.

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2G|3.5mm Audio Jack|3G|4G|5G|802.11|1G|4K|802.11a|802.11ac|802.11b|802.11g|802.11n|

A

B

C

D

E

EDGE (Enhanced Data for Global Evolution)|EGPRS|Email client|Emoji|EMS (Enhanced Message Service)|eSIM|External Antenna Jack|External Display|EV-DO|Exchangeable covers|EDR (Enhanced Data Rate)|EGSM (Extended GSM)|EV-DV|Extended Battery|Ethernet|

F

Feature Phone|Firefox OS|Flight mode|FM Radio|FOTA (Firmware Over-The-Air)|FPS (Frames Per Second)|Frame Error Rate|Frequency|FTP (File Transfer Protocol)|Flash Memory|Fixed-focus|FM Transmitter|Flip-down phone|Femtocell|Firmware|Form factor|Fast Charge|Face ID|FCC (Federal Communications Commission)|

G

GB (Gigabyte)|Gbps (Gigabits per second)|Geo-tag|GPRS|GPS (Global Positioning System)|GPU (Graphics Processing Unit)|Gyroscope|GSM|Galileo (Global Navigation Satellite System)|gpsONE|gpsOneXTRA Assistance technology|GLONASS|

H

Handwriting recognition|Hot Spot|Hot Swap|Hz (Hertz)|Haptics|Half-QWERTY keyboard layout|Hexa-core|H.263|HEVC|HyperOS|

I

IMEI (International Mobile Equipment Identity)|IP Ratings|IMAP (Internet Message Access Protocol)|Image Signal Processor (ISP)|Inductive Charging|IP (Internet Protocol)|IR Blaster|IP69K|Immersive Audio|

K

Key Guard|KB (Kilobyte)|Kbps (Kilobits per second)|Key Lock Switch|

L

Lock code|Loudspeaker|Laptop Computer|LTE|Launcher|Lightning Cable|Lithium Ion|Landline|LCD|LED|

M

N

Numeric keypad|NFC (Near Field Communication)|

O

OTG|OTA (Over-The-Air)|Optical Zoom|OS (Operating System)|OEM|Oryon CPU|

P

Phonebook|Port|Predictive text input|PTT (Push-To-Talk)|PUK Code (Personal Unlock Key)|Polyphonic ringtones|Pixel density (Pixels Per Inch)|Pixel|PIN code (Personal Identification Number)|POP3 (Post Office Protocol)|Phone Physical Attributes|Phone Life Cycle|Percentile rank|Personal Assistant|Power Bank|PPI|Privacy Screen Protector|Proximity Sensor|Passive Noise Cancellation|

Q

QWERTY keyboard layout|Quad-band|Quick Charge|Qi Wireless|Quad Core|

R

RAM (Random-Access Memory)|Ringtone|ROM (Read-Only Memory)|Roaming|Ringing profiles|Ringer ID|Resistive touchscreen|Resolution|Ruggedized (Rugged)|RSS (Rich Site Summary)|RS-MMC (Reduced-Size Multi Media Card)|Rechargeable Battery Types|RDS (Radio Data System)|RBDS (Radio Broadcast Data System)|RFID|Root|Refresh Rate|Reverse Charging|

S

T

U

UFS|UI (User Interface)|UIQ|UMA|UMTS|Unlocked phone|Upload|UPnP (Universal Plug and Play)|USB (Universal Serial Bus)|USB On-The-Go|USIM|UX|Ultra-Wide Camera|USB Type-C or USB-C|User ID|Uptime|Username|User-Friendly|Unified Memory (Unified Memory Architecture - UMA)|

V

VGA (Video Graphics Array)|Video call|Video Codec|Voice dialing|Voice mail|Voice memo|VoIP (Voice over Internet Protocol)|VPN (Virtual Private Network)|Vapor Chamber Cooling (VC Cooling)|Virtual Proximity Sensing|Virtual RAM|

W

WAP (Wireless Application protocol)|watchOS|WCDMA(Wideband Code Division Multiple Access)|Wear OS|Wearable Technology|webOS|Wi-Fi|Windows Mobile|Windows Phone OS|Wireless email|WLAN|WMV (Windows Media Video)|Wi-Fi Assistant|Widget|Wireless|Wired|Widevine L1|

X