Windows Vista
Viruses Infection Spyware Trozen Adware
internet Operating System
It means operating system
internet Operating System
GNU is operating system
DOS = Disk Operating System
Microsoft Disc Operating System
full form of andorid is An Digital Record Object Identification
Mission integrated cash register operating system
It doesn't "use" any operating system. There are drivers available for Windows 2000, XP, 2003, and Vista. Intel-brand motherboards also have full Linux support.
v-viruses i-infection s-spyware t-trojan a-adware
nos is "Network Operating System" which works in Window NT.