Famous Inventors

 Mouse :                         :Douglas Carl Engelbert

Keyboard :                     :Christopher Sholes

Compact Disc (CD) :       :James T Russell

Floppy Disk :                  :Alan Shugart

Laser Printing :               :Gary Starkweather

Digital Computer :           :Howard Aiken

IC Chip :                         :Jack Kilby, Robert Noyce 

Computer Common Abbreviations

ADSL - Asymmetric Digital Subscriber Line 

AEPS - Adhar Enabled Payment System 

ASCII - American Standard Code for Information Interchange   

ARPANET - Advanced Research Projects Agency Network  

ATM - Automatic Teller Machine

BASIC - Beginner's All purpose Symbolic Instruction Code 

BIOS - Basic Input Output System 

CAD - Computer Aided Design   

CD - Compact Disc 

CDMA - Code Division Multiple Access 

CPU - Central Processing Unit 

CRT - Cathode Ray Tube 

DBMS - Data Base Management System 

DDR - Double Data Rate 

DES - Data Encryption Standard 

DLL - Dynamic Link Library 

DNS - Domain Name System 

DOS - Disc Operating System, Denial Of Service 

DPI - Dots Per Inch 

DSL - Digital Subscriber Line 

EDGE - Enhanced Data Rate for 

GSM - Evolution FAT File Allocation Table 

FOSS - Free and Open Source Software 

GIF - Graphic Interchange Format 

GPRS - General Packet Radio Service 

GSM - Global System for Mobile Communications 

GUI - Graphical User Interface 

HDD -  Hard Disk Drive 

HTML -  Hyper Text Markup Language 

HTTP -  Hyper Text Transfer Protocol 

IBM - International Business Machines  

IC - Integrated Circuit

ICANN - International Corporation for Assigned Name and Numbers

ICMP - Internet Control Message Protocol 

IP - Internet Protocol 

JPEG- Joint Photographic Expert Group 

MMS - Multimedia Messaging Service  

MIMO- Multiple Input Multiple Output 

MIMO - Mobile Service Delivery Gateway  

ODBC - Open Database Connectivity 

OLAP - Online Aanlytical Processing  

OLE - Object Linking and Embedding 

OMR -Optical Mark Reader 

OOP - Object Oriented Programming 

PNG -Portable Network Graphics 

POST - Power On Self Test 

PPM - Paper Per Minute 

RAID - Redundant Array of Independent Disks 

RAM - Random Access Memory 

RAR- Roshal Archive 

RFID-Radio Frequency Identification 

RGB - Red Green Blue 

ROM- Read Only Memory 

SDLC - Software Development Life Cycle : 

SMS - Short Message Service S

SPOOL - Simultaneous Peripheral Operations On Line  

TIFF - Tagged Image File Format 

UNIX - Uniplexed Information And Computer Systems 

UPS - Uninterrupted Power Supply 

URL - Uniform Resource Locator 

USB - Universal Serial Bus 

VDU - Visual Display Unit

VGA - Video Graphics Array VDU VGA 

VIRUS- Vital Information Resource Under Siege 

VOIP - Voice over Internet Protocol 

W3C World Wide Web Consortium 

WAIS Wide Area Information Server 

WAP Wireless Application Protocol 

WIFI - Wireless Fidelity

VoLTE -Voice Over Long Term Evaluation

 Generation & Description 

1 First Generation (1946-1959) - Vacuum tube based 

2 Second Generation (1959-1965) - Transistor based 

3 Third Generation (1965-1971) - Integrated Circuit based 

4 Fourth Generation (1971-1980) - VLSI micro processor based 

5 Fifth Generation (1980-onwards) - ULSI micro processor based

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