খুবই গুরত্বপুর্ণ কিছু Full meaning:
Full Meaning:
ISO: International standard organization
OSI: Open source interconnection
QAM: Quadrature Amplitude modulation
OOK: On-off keying
IEEE: Institute of Electrical and Electronics Engineers
ARPANET: Advance research project agency network
MAC: Media Access Network
ATM: Asynchronous transfer mode
DNS: Domain name system
IPsec: Internet Protocol Security
ICMP: Internet Control Message Protocol
IGMP: Internet Group Management Protocol
TCP: Transport layer protocol
HTTP: Hypertext Transfer Protocol
HTTPS: Hypertext Transfer Protocol Secure
TLS/SSL: Transport Layer Security / Secure Sockets Layer.
UDP: User Datagram Protocol
PAN: Personal Area Network
LAN: Local Area Network
WAN: Wide Area Network
MAN: Metropolitan Area Network
ASK: Amplitude-shift keying
FSK: Frequency-shift keying
PSK: Phase-shift keying
BASK: Binary Amplitude shift keying
BFSK: Binary frequency shift keying
BPSK: Binary phase shift keying
QPSK: Quadrature Phase shift keying
ANSI: American National Standrad Institute
CSMA: Carrier Sense Multiple Access
CSMA/CD: Carrier Sense Multiple Access/Collision
CDMA- Code Division Multiple Access.
TDMA: Time Division Multiple Access.
PCM: Pulse code modulation
DTE: Data Terminal Equipment
SIM: Subscriber identity module
PABX: Private Automated branch exchange
SONET: Synchronous optical network
BNZS: Bipolar n-zero substitution
PCM: Pulse code modulation
NASA- National Aeronautics and Space Administration
TDMA- Time Division Multiple Access.
FDMA- Frequency Division Multiple Access.
FDM: Frequency division multiplexing
TDM: Time division multiplexing
CDM: Code division multiplexing
WDM: Wave division multiplexing.
A/D converter: Analog to digital converter.
D/A converter: Digital to Analog converter.
DC: Direct current.
NRZ: Non- Return to zero.
RZ: Return to zero.
HLR – Home Location Register.
VLR- Visitor Location Register.
SIM- Subscriber Identity Module.
PIN- Personal Identification Number.
MSISDN- Mobile Station International Subscriber Directory Number.
GPS- Global Positioning System
GPRS- General Packet Radio Service
QoS- Quality of Service.
LTE- Long Term Evolution.
NTFS: New Technology File
NIC: Network Interface Controller.
www: World Wide Web.
VSAT: Very Small Aperture Terminal.
PPP: Point-to-Point Protocol.
VLAN: Virtual Local Area Network
GEO- Geostationary Earth Orbit.
MEO- Medium Earth Orbit.
LEO- Low Earth Orbit.
DBS- Direct Broadcast Satellite.
DBSS- Direct Broadcast Satellite System. LNA- Low Noise Amplifier.
HPA- High Power Amplifier.
GIS- Global Indication of Satellite.
EIRP- Effective Isotropic Radiated Power.
GSM- Global System For Mobile Communication.
AMPS- Advanced Mobile Phone System.
EMI: Electromagnetic interference
RFI: Radio frequency interference
STP: Shielded twisted pair
UTP: Unshielded twisted pair
EIA: Electronic industries association
CATV: Cable television
VSAT- Very Small Aperture Terminal.
MSAT- Mobile Satellite.
PSTN- Public Switch Telephone Network.
UPT- Universal Personal Telecommunication.
CC- Country Code.
NDC- Network Destination Code.
RG: Radio government
ITA: Telecommunication industry association
LED: Light emitting diode
ILD: Injection laser diode
LASER: Light amplification by stimulated emission radiation
IPX: Internet packet exchange
FTP: File transfer protocol
HTML: Hyper text markup language
SONET: Synchronous optical Network
GSM: Global System for mobile communication
GPS: Global Positioning system
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