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General
Language
Business
Science
Technology
IT
Internet vs. Extranet
Intranet vs. Extranet
Email vs. Gmail
Symmetric Multiprocessing vs. Asymmetric Multiprocessing
Pure ALOHA vs. Slotted ALOHA
Telnet vs. FTP
Multitasking vs. Multithreading
Website vs. Portal
Antivirus vs. Internet Security
Linker vs. Loader
Encryption vs. Decryption
LAN vs. WAN
MMS vs. SMS
XML vs. WML
Application Software vs. Operating System
Volatile Memory vs. Non-Volatile Memory
Packaged Software vs. Custom Software
DVD-R vs. CD-R
Mainframe Computer vs. Supercomputer
ALU vs. CU
System Unit vs. CPU
Trackball vs. Spaceball
System Unit vs. Peripheral
Plotter vs. Printer
Optical Disk vs. Magnetic Disk
Chat Rooms vs. Instant Messaging
Spreadsheet vs. Worksheet
ALU vs. CPU
Tablet vs. PDA
Cable Modem vs. Router
Spreadsheet vs. Workbook
Computer vs. Calculator
Impact Printer vs. Non-Impact Printer
Network vs. Internet
Memory vs. Hard Disk
Gadget vs. Widget
Multimedia vs. Hypermedia
Doc vs. Docx
Hard Disk vs. RAM
Browsing vs. Surfing
MDI vs. SDI
E-Commerce vs. E-Business
Ruby on Rails vs. Catalyst
Abstraction vs. Encapsulation
Internet vs. Intranet
PC vs. Mac