hcl placement paper
1.which of the following involves context switch, a) system call b)priviliged instruction c)floating poitnt exception d)all the above e)none of the above ans: a 2.In OSI, terminal emulation is done in a)semion b)appl.. c)presenta… d)transport ans: b 3……. 25MHz processor , what is the time taken by the instruction which needs 3 clock cycles, a)120 [...]