Computer Networking
A teleprocessing system may consist of

user systems
None of these
communications systems
All of these
computer center systems

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The packets switching concept was first proposed

All of these
in the early 1960s for military communication systems, mainly to handle speech
in the late 1980s for the Defense Ministry of US.
in the late 1950s for Defense Ministry of US
None of these

ANSWER DOWNLOAD EXAMIANS APP