Operating System (OS)
The CPU, after receiving an interrupt from an I/O device

halts for a predetermined time
None of these
branches off to the interrupt service routine immediately
hands over control of address bus and data bus to the interrupting device
branches off to the interrupt service routine after completion of the current instruction

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Process is

None of these
a job in secondary memory
a program in execution
program in High level language kept on disk
contents of main memory

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
The advantage of a command processor running only built-in commands is:

the command set being common across different hardware configurations
users can create system programs and run them as commands
flexibility to the users in running lists of commands by simply collecting them in named batch command files
None of these
the processing is much faster than would other-wise be the case when user defined commands are used

ANSWER DOWNLOAD EXAMIANS APP