About SD (Secure Digital)

SD (Secure Digital)

About SD (Secure Digital)

SD (Secure Digital) is a prominent type of memory card. Memory cards depend on Flash memory and are used for solid sate storage, their basic purpose for existing being a modest method to store or move information among PCs and other devices.

SD cards are about a similar size as MMC but somehow thicker. They give more speed than MMC to the casuing a higher power consumtion. SD cards additionally give an equipment lock that can shield the stored data from being deleted.

A
A-GPS (Assisted GPS)  •  A2DP (Advanced Audio Distribution Profile)  • AAC (Advanced Audio Coding) •  Airplane Mode  •  Alarm Clock  •  AMOLED (Active-matrix organic light-emitting diode) •  Analog Technology  •  Android Operating System  •  Antenna  •  Aperture •  APN (Access Point Name) •  Apple iOS  •

B
Band  • Bandwidth  •  Battery Charging  •  Biometrics  •  Bit •  BlackBerry OS  •  Bluetooth  •   Bps (Bits per Second)  • Brand  •  Broadband  •  Browser  •  Byte

C
Camera  •  Capacitive Touchscreen  •  Car Kit  •  Carrier  •  CDMA (Code-Division Multiple Access)  •  Cell  •  Chipset  •  CIF (Common Intermediate Format)  •  Connected GPS  •  Corning Gorilla Glass  •  CPU (Central Processing Unit)

D
DC-HSDPA (Dual Carrier or Dual Cell High-Speed Downlink Packet Access)  •  Dual-band  •  Dual-Mode • Dual-SIM   •  Dynamic Memory

E
EDGE (Enhanced Data for Global Evolution)   •   EDR (Enhanced Data Rate)   • EGPRS  •  EGSM (Extended GSM)

F
Firmware   •  Flash Memory  •  Flight mode  •  FM Radio  •  Frequency  •  FTP (File Transfer Protocol)

G
Galileo (Global Navigation Satellite System)  •  GB (Gigabyte)  •   Gbps (Gigabits per second)  •  Geo-tag •  GLONASS (Global Navigation Satellite System)  •  GPRS   •  GPS (Global Positioning System   •  GPU (Graphics Processing Unit)

H
H.263  •  H.264  •  H.265  •  Handwriting recognition  •  Hot Spot   •  HSCSD (High-Speed Circuit Switched Data)  •  HSDPA (High-Speed Downlink Packet Access)  •  HSDPA+ (High-Speed Downlink Packet Access Plus)  •  HSP (Headset Profile)   •  HTML (Hypertext Markup Language)  •  Hz (Hertz)

I
iDEN (Integrated Digital Enhanced Network)   •  Image Signal Processor (ISP)   •  IMEI (International Mobile Equipment Identity)

J
Java

K
KB (Kilobyte)   •   Kbps (Kilobits per second)   •   Key Guard

L
LCD (Liquid Crystal Display)   •   LED (Light-Emitting Diode)   •   Li-Ion (Lithium Ion)   •   Li-Polymer (Lithium Polymer)   •   Loudspeaker

M
Macro  •  Magnetometer  •  mAh  •  MB (Megabyte)  •   Mbps (Megabit per second)  •  Megapixel  •  Memory card slot  •  Memory effect  •  Messaging  •  MHz (Megahertz)  •  Micro USB  •  microSD  •  microSDHC  •  MIDI (Musical Instrument Digital Interface)  •  MIDP (Mobile Information Device Profile)  •  MMS (Multimedia Messaging Service)  •   Mobile games  •  Mobile High-Definition Link (MHL)  •   Mobile IM (Instant Messaging)  •  Modem   •  Monochrome  •   MP3 (MPEG Layer 3)  •   MPEG (Motion Picture Experts Group)  •  MPEG-4 video  •  Multitouch input method  •  Music playback time (battery life)  •  Music Player

N
NAND Memory  •  Network capacity  •  Network coverage  •  NOR Memory  •  Numeric keypad

O
OEM (Original Equipment Manufacturer)  •  OLED (Organic Light-Emitting Diode)  •  Optical Zoom  •  OS (Operating System)  •  OTA (Over-The-Air)  • OTG

P
PCS (Personal Communications Service)  •  PDA (Personal Digital Assistant)  •  Pixel  •  Pixel density (Pixels Per Inch)  • Price  •  PTT (Push-To-Talk)  • Push

Q
Quad-band  •  QVGA (Quarter Video Graphics Array)  •  QWERTY keyboard layout

R
RAM (Random-Access Memory)  •  RBDS (Radio Broadcast Data System)  •  RDS (Radio Data System)  •  Resistive touchscreen  •  Resolution  •  Ringtone  •  Roaming  •  ROM (Read-Only Memory)  •  RS-MMC (Reduced-Size Multi Media Card)

S
Screen protection  •  SD (Secure Digital)  •  Secondary camera  •  Sensors  • SIM  •  SIM lock  •  Single-Band  • Smart Watch  •  Smartphone  •  SMS (Short Messaging Service)  •  Speed Dial  •  Stand-by time (battery life)  •  Stereo Speakers  •  Streaming Video  •  Stylus

T
Talk time (battery life)  • Tethering  •   Text messaging (texting)  •  Touchscreen  •  Tri-band

U
UI (User Interface)  •  UMTS  •  UPnP (Universal Plug and Play)  •  USB (Universal Serial Bus)  •  USB On-The-Go  •  USIM

V
VGA (Video Graphics Array)  •  Video call  • Voice dialing  •  Voice mail  •  VPN (Virtual Private Network)

W
WAP (Wireless Application protocol)  • WCDMA(Wideband Code Division Multiple Access  •   Wearable Technology  •  Wi-Fi  •  Windows Mobile  •  Windows Phone OS  •  WLAN  •  WMV (Windows Media Video)

#
2G   •   3G   •   4G   •  5G

 

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