Operating System MCQs

A. Main section & disk identifier
B. Error correcting codes (ecc) & sector number
C. Sector number & main section
D. Disk identifier & sector number

A. Ram
B. Rom
C. Cache
D. Tertiary storage

A. Start disk
B. End disk
C. Boot disk
D. All of the mentioned

A. Good blocks
B. Destroyed blocks
C. Bad blocks
D. None of the mentioned

A. Destroyed blocks, high level formatting
B. Bad blocks, partitioning
C. Bad blocks, low level formatting
D. Destroyed blocks, partitioning

A. Sector sparing & forwarding
B. Forwarding & sector utilization
C. Backwarding & forwarding
D. Sector utilization & backwarding

A. Hard error
B. Tough error
C. Soft error
D. None of the mentioned

A. It is placed in an i/o queue
B. It is placed in a waiting queue
C. It is placed in the ready queue
D. It is placed in the job queue

A. It is removed from all queues
B. It is removed from all, but the job queue
C. Its process control block is de-allocated
D. Its process control block is never de-allocated

A. It selects processes which have to be brought into the ready queue
B. It selects processes which have to be executed next and allocates cpu
C. It selects processes which heave to remove from memory by swapping
D. None of the mentioned