Glossary

Term	Main definition
P	Puncturing Hits - 864
P	French term for SCART (connector) Hits - 811
P-Frame	Predictive-coded (P) Pictures Frame Structure Hits - 799
P-pictures	Predictive pictures Hits - 816
PABX	Private Automatic Branch Exchange Hits - 760
PAD	Packet Assembler/Disassembler, Program Associated Data Hits - 816
PAL	Phase Alternating Line; Programmable Array Logic Hits - 879
PALC	Plasma Addressed LCD Hits - 842
PALE	Programmable Atomic Logic Elements Hits - 846
PAM	Pulse-Amplitude Modulation Hits - 779
PARS	Private Advanced Radio Service Hits - 801
PAT	Program Association Table, (multiplex)(part of SI); Power Alignment Technology Hits - 805
PAX	Private Automatic Exchange Hits - 819
PBGA	Plastic Ball Grid Array Hits - 815
PBX	Private Branch Exchange Hits - 851
PC	Personal Computer; Printed Circuit Hits - 855
PCB	Printed Circuit Board Hits - 836
PCC	Programmer Control Center Hits - 841
PCI	Peripheral Component Interconnect Hits - 839
PCM	Pulse Code Modulation Hits - 850
PCMCIA	Personal Computer Memory Card International Association Hits - 830
PCN	Personal Communications Network Hits - 819
PCR	Programmable Clock Reference Hits - 824
PCS	Program Control System; Personal Communication Services Hits - 836
PCSN	Private Circuit Switching Network Hits - 761
PDF	Pulse Density Function; Portable Document Format Hits - 811
PDFA	Praesodymium-Doped Fibre Amplifiers (1310nm) Hits - 802
PDH	Plesiosyncronous Digital Heirarchy Hits - 862
PDM	Phase Division Multiplex ;Passive Display Model: Pulse Duration Modulation Hits - 870
PDMI	Portable Digital Media Interface Hits - 838
PDN	Public Data Network; Primary Directory Number Hits - 821
PECL	Pseudo ___________ Hits - 766
PEL	Picture Element Hits - 798
PES	Packetized Elementary Stream, Personal Earth Station Hits - 805
PFD	Power Flux Density Hits - 757
PFM	Pulse Frequency Modulation Hits - 788
PGA	Pin Grid Array Hits - 828
PID	Program Identification, Packet Identifier Hits - 817
PIN	Personal Identification Number Hits - 778
PIO	Programmable Input Output Hits - 883
PIV	Peak Inverse Hits - 769
PIXEL	Peak Inverse Voltage Hits - 765
PK	Program Key Hits - 783
PKI0	Public Key Infrastructure Hits - 1057
PLA	Programmable Logic Array Hits - 814
PLAR	Private Line Automatic Ring down Hits - 758
PLC	Programmable Logic Controller Hits - 814
PLCC	Plastic Leaded Chip Carrier Hits - 797
PLD	Programmable Logic Device Hits - 798
PLL	Phase Locked Loop Hits - 761
PLMN	Public Land Mobile Network Hits - 757
PLR	Private Link Repeater Hits - 698
PLUGE	Picture Line Up Generator Equipment Hits - 710
PM	Phase Modulation, Poly-phase Matched Hits - 716
PMR	Private Mobile Radio Hits - 760
PMT	Program Map Table (multiplex) (part of SI) Hits - 698
PN	Pseudo-random Number Hits - 750
PNNI	Private Network to Network Interface Hits - 716
POCSAG	Post Office Code Standardisation Advisory Group Hits - 721
POF	Plastic Optical Fibre Hits - 692
PON	Passive Optical Network Hits - 770
POP	Proof Of Performance / Point of Presence Hits - 763
POS	Programmable Option Select Hits - 735
POTS	Plain Old Telephone Service Hits - 738
PPM	Pulse Position Modulation Hits - 739
PPP	Point - to - Point Protocol Hits - 778
PPV	Pay Per View Hits - 722
PQFP	Plastic Quad Flatpack Hits - 792
PRA	Primary Rate Access ( 2Mb/s - ISDN ) Hits - 745
PRBS	Pseudo Random Binary Sequence; Pseudo Random Bit Sequence Hits - 716
PRF	Pulse Repetition Frequency Hits - 780
PRI	Primary Rate Interface Hits - 700
PROM	Programmable Read Only Memory Hits - 707
PSD	Power Spectral Density; Programmable System Device Hits - 759
PSDN	Packet Switched Data Network Hits - 775
PSI	Program Specific Information (part of SI) Hits - 727
PSK	Phase Shift Keying Hits - 722
PSS	Packet Switched System/ Service Hits - 789
PSTN	Public Switched Telephone Network Hits - 830
PSTS	Profile Specific Test Specification Hits - 696
PSU	Power Supply Unit Hits - 785
PT	Packet Terminal Hits - 734
PTL	PASS Transistor Logic Hits - 701
PTM	Pulse Time Modulation Hits - 772
PTS	Presentation Time Stamp Hits - 811
PTT	Postal, Telephone and Telegraph Hits - 738
PTX	Packet Transfer Exchange Hits - 671
PVC	Permanent Virtual Connection Hits - 696
PVR	Personal Video Recorder Hits - 730
PWA	Printed Wiring Assembly Hits - 751
PWB	Printed Wiring Board Hits - 700
PWM	Pulse-Width Modulation Hits - 749
PWR	Power Hits - 754