i) Interrupt (a) Call to an operating system function
ii) Trap (b) Reaction to an asynchronous external event
iii) Supervisor Call (c) Handling of an error or an exception condition
A. i-a, ii-b, iii-c
B. i-c, ii-a, iii-b
C. ib, ii-c, iii-a
D. i-a, ii-c, iii-b
Submitted By : Ahsan Ali Soomro