Information Systems – Related Terms
Hardware
Software
Telecommunications/Networks
Popular IT-related reference web sites
O’Brien textbook web site (key terms and definitions):

Hardware
Adapters/Cards : Plug-and-Play, NIC, Video Cards,
Buses : PCI, SCSI, PCMCIA
Data Storage: Bit, Byte, Raid, Optical disks (CD, DVD), Floppy Disk, Zip Disk, Hard Disk, Track, Sector, Cylinder, Cluster, FAT, Fragmentation
Hardware Companies : IBM, Intel, Sun,
Input Devices : Digital Camera, Optical Mouse
Integrated Circuits(ICs) : MSI (medium-scale integration), LSI (large-scale integration), VLSI (very large-scale integration), ULSI (ultra large-scale integration)
Memory : RAM, ROM, CMOS, Buffer, Cache
Microprocessors : CPU, MHZ, Cpu Time, Intel Chip (8088-present)
Monitors : Dot Pitch, Pixel, Resolution, Flat Panel Display, LCD Display
Motherboards : BIOS,
Networking Hardware : Hub, Router, Switch, Repeater
Printers : DPI, Laser, Ink-Jet
Others : Serial Interface, Parallel Interface

Software
File sharing programs : Morpheus, Gnutella, Napster
Graphic software : CAD/CAM,
Object-oriented programming : Object, Class, Instance, Encapsulation, Abstraction, Inheritance
System software : Operating System, Compiler, API, Interpreter
Software companies : Microsoft, Borland, IBM, Oracle, Sun, Novell
Anti-virus programs : Norton Anti-Virus
Web browsers : Microsoft Internet Explorer, Netscape Navigator
Other : Shareware, Software Piracy