Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

OS/2
UNIX
MS DOS
None of these
XENIX

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

multiplexes the inputs and updates the memory accordingly
decides correct alternative by analysing several ones
inquires to see if a terminal has any transaction to send
None of these
detects/corrects errors

ANSWER DOWNLOAD EXAMIANS APP