The four attack XXX:-
1-XXX twin XXXXX of the world trade centre burning
2-Collapsed XXXXXXX XX XXX XXXXXXXX;Flight 175crashes into 2 XXX
3-X XXXXXXXXXXX requests
assistance at World Trade Centre site:XXXXXX Zero;An XXXXXX
from XXXXXX 93is recovered
4-XXXXXX's 77collision with XXX
XXXXXXXX XX captured by XXXXX
XXXXXXXXXXX XXXXXXXXXX
Answer :-2)-
Computing XXXXXXXXX to XXXXXX the XXXXXXXX XXXX. XX shapes how objects XXX designed, what XXXXXXXXXXX we receive, how and XXXXX we XXXX, and who XX meet and XX XXXXXXXX with and also change understanding.
For XXXXXXX ,XXXXXXX XX XXXX XXXXXXXX XXX done in the XXX and then captured in a model, it often XXX begins in a predictive XXXXX, which XXXX XXXXXXXXXX XXXX might be XXXXXXXX in the real XXXXX.
XXX XXXXXXXXXXXXXX that is XXX XX computation is often described as digital disruption.But an XXXXXX of XXXX XXXXXXXXXXXXXX that can easily be overlooked XX that computing XXX been disrupting XXXXXX.There new computational XXXXXXXXXX has XXXXXX XX XXXX to new XXXXX XX systems, new XXXX XX creating XXXXX, new forms XX data, and so on.
XX XXX to enhance this environment XXXX then US XXXX President XX Gore proposed in 1992 XXX “XXXXXXXXXXX superhighway”, XXXXXX any major XXXXXXXXXX or social uses of XXX internet XXX XXXXXXXX.
XXXXXXXXX, in 1990, researchers at XXXX,XXXXXXX a system XXX XXXXXXX XXXXXXXXX XXX XXXXXXXXXX them to the internet, which XXXX XXXXXX XXX XXXXX XXXX XXX. XXXX XX a initial thing XXXX XX all XXXXXXXXX XX XXXX XXXXXX .
XXXXXXXX have XXXXX quality XXXX XXXXX things XXXX telephone, car XXX. XXXXXXX computer XXXXXXXXXX XXX XXXX XXXXX XXX not suppose to be.
">