| RAM | RANDOM ACCESS MEMORY |
| ROM | READ ONLY MEMORY |
| CPU | CENTRAL PROCESSING UNIT |
| URL | UNIFORM RESOURCE LOCATOR |
| USB | UNIVERSAL SERIAL BUS |
| VIRUS | VITAL INFORMATION RESOURCE UNDER SIEGE |
| TCP | TRANSMISSION CONTROL PROTOCOL |
| UPS | UNINTERRUPTIBLE POWER SUPPLY |
| SATA | SERIAL ADVANCED TECHNOLOGY ATTACHMENT |
| PSU | POWER SUPPLY UNIT |
| SMPS | SWITCHED – MODE POWER SUPPLY |
| CD | COMPACT DISC |
| DVD | DIGITAL VERSATILE DISC |
| CRT | CATHODE RAY TUBE |
| PNG | PORTABLE NETWORK GRAPHICS |
| IP | INTERNET PROTOCOL |
| HTTP | HYPER TEXT TRANSFER PROTOCOL |
| HTTPS | HYPER TEXT TRANSFER PROTOCOL SECURE |
| ICP | INTERNET CACHE PROTOCOL |
| GMAIL | GRAPHICAL MAIL |
| MSN | MICROSOFT NETWORK |
| VDI | VIRTUAL DESKTOP INFRASTRUCTURE |
| MPEG | MOVING PICTURE EXPERTS GROUP |
| PSD | PHOTOSHOP DOCUMENT |
| DPI | DOTS PER INCH |
| LAN | LOCAL AREA NETWORK |
| WAN | WIDE AREA NETWORK |
| MAN | METROPOLITAN AREA NETWORK |
| PAN | PERSONAL AREA NETWORK |
| MAC | MEDIA ACCESS CONTROL |
| OMR | OPTICAL MARK RECOGNITION |
| NIC | NETWORK INTERFACE CARD |
| HCI | HUMAN COMPUTER INTERACTION |
| BIOS | BASIC INPUT OUTPUT SYSTEM |
| SMTP | SIMPLE MAIL TRANSFER PROTOCOL |
| ALU | ARITHMETIC LOGICAL UNIT |
| IOS | IPHONE OPERATING SYSTEM |
| VPN | VIRTUAL PRIVATE NETWORK |
| ZIP | ZIG – ZIG IN – LINE PACKAGE |
| IPC | INTER – PROCESS COMMUNICATION |
| CMD | COMMAND |
| URI | UNIFORM RESOURCE IDENTIFIER |
| GIF | GRAPHICS INTERCHANGE MODULE |
| DOS | DISK OPERATING SYSTEM |
| AMD | ADVANCED MICRO DEVICES |
| CD-R | COMPACT DISK – RECORDABLE |
| HP | HEWLETT PACKARD |
| OS | OPERATING SYSTEM |
| CD-ROM | COMPACT DISK – READ ONLY MEMORY |
| SSL | SECURE SOCKETS LAYER |
| PDF | PORTABLE DOCUMENT FORMAT |
| KB | KILO – BYTES |
| PB | PETA – BYTES |
| PC | PERSONAL COMPUTER |
| WWW | WORLD WIDE WEB |
| DAP | DIRECT ACCESS PROTOCOL |
| JPG | JOINT PHOTOGRAPHIC EXPERT GROUP |
| RGB | RED, GREEN, BLUE |
| HDD | HARD DISK DRIVE |
| TB | TERA – BYTES |
| OCR | OPTICAL CHARACTER READER |
| HAN | HOME AREA NETWORK |
| PD | PAD DRIVE |
| ATM | AUTOMATIC TELLER MACHINE |
| LCD | LIQUID CRYSTAL DISPLAY |
| LED | LIGHT EMITTING DIODE |
| MICR | MAGNETIC INK CHARACTER RECOGNITION |
| MS | MICROSOFT |
| MP-3 | MPEG AUDIO LAYER3 |
| 2G | SECOND GENERATION WARLESS |
| MBPS | MEGA BYTES PER SECOND |
| NET | NETWORK ADDRESS TRANSLATION |
| ALT | ALTERNATE |
| DEL | DELETE |
| FN | FUNCTIONS |
| BIT | BINARY DIGITAL |
| EMAIL | ELECTRONIC MAIL |
| GPRS | GENERAL PACKET RADIO SERVICE |
| WI FI | WIRELESS FIDELITY |
| COM | COMMERCIAL |
| XML | EXTENSIBLE MARKUP LANGUAGE |
| AEPS | AADHAR ENABLED PAYMENT SYSTEM |
| ABRS | AADHAR BASED REMITTANCE SERVICE |
| ASP | APPLICATION SERVICE PROVIDER |
| ATM | AUTOMATED TELLER MACHINE |
| BCC | BLIND CARBON COPY |
| BCD | BINARY CODED DECIMAL |
| BCR | BAR CODE READER |
| BIOS | BASIC INPUT OUTPUT SYSTEM |
| BHIM | BHARAT INTERFACE FOR MONEY |
| BIT | BINARY DIGIT |
| BPI | BITS PER INCH |
| BPS | BITS PER SECOND |
| B2C | BUSINESS TO CUNSUMER |
| CAD | COMPUTER AIDED DESIGN |
| CC | CARBON COPY |
| CD-R | COMPACT DISK – RECORDABLE |
| CD- ROM | COMPACT DISK – READ ONLY MEMORY |
| CGI | COMMON GATEWAY INTERFACE |
| COBOL | COMMON BUSINESS ORIENTED LANGUAGE |
| CRT | CATHODE RAY TUBE |
| CSS | CASCADING STYLE SHEETS |
| CU | CANTROL UNIT |
| DBMS | DATEBASE MANAGEMENT SYSTEM |
| DMA | DIRECT MEMORY ACCESS |
| DNS | DOMAIN NAME SYSTEM |
| DOS | DISK OPERATING SYSTEM |
| DPI | DOTS PER INCH |
| DTP | DESK TOP PUBLISHING |
| DRAM | DYNAMIC RANDOM ACCESS MEMORY |
| DVR | DIGITAL VIDEO RECORDABLE |
| FTP | FILE TRANFER PROTOCOL |
| GB | GIGABYTE |
| GIF | GRAPHICS INTERCHANGE FORMAT |
| GUI | GRAPHICAL USER INTERFACE |
| HDD | HARD DISK DRIVE |
| HTML | HYPER TEXT MARKUP LANGUAGE |
| HTTP | HYPER TEXT TRANSFER PROTOCOL |
| IBM | INTERNATIONAL BUSINRSS MACHINES |
| ISS | INTERNET INFORMATION SERVICES |
| IM | INSTANT MESSAGING |
| IMAP | INTERNET MESSAGE ACCESS PROTOCOL |
| IMEL | INTERNATIONAL MOBILE EQUIPMENT IDENTITY |
| IP | INTERNET PROTOCOL |
| IRCTC | INDIAN RAILWAY CATERING AND TOURISM CORPORATION |
| IS | INFORMATION SYSTEM |
| IMPS | IMMEDIATE PAYMENT SERVICE |
| ISO | INTERNATIONAL ORAGNSATION FOR STANDARDISATION |
| IT | INFORMATION TECHNOLOGY |
| KB | KILOBYTE |
| MTA | MAIL TRANSFER AGENT |
| NEFT | NATIONAL ASSOCIATION OF SOFTWARE AND SERVICE COMPUTER |
| NIC | NETWORK INTERFACE CARD |
| OCR | OPTICAL CHARACTER RECOGNITION |
| ODF | OPEN DOCUMENT FORMAT |
| OMR | OPTICAL MARK READER |
| OSI | OPEN SYSTEM INTERCONNECTION |
| ORS | ONE TIME PASSWORD |
| OTP | ONE TIME PASSWORD |
| PAAS | PLATFORM AS A SERVICE |
| PAN | PERSONAL AREA NETWORK |
| PDA | PERSONAL DIGITAL ASSISTANT |
| PDF | PORTABLE DOCUMENT FORMAT |
| .PNG | PORTBLE NETWORK GRAPHICS |
| POS | POINT OF SALE |
| PPI | PIXELS PER INCH |
| PPP | POINT TO POINT PROTOCOL |
| QR CODE | QUICK RESPONSE CODE |
| SATA | SERIAL ADVANCE TECHNOLOGY ATTACHMENT |
| TB | TERABYTE |
| UPI | UNIFIED PAYMENT INTERFACE |
| USB | UNIVERSAL SERIAL BUS |
