state gov UP Police Programmer Grade 2 Mock Test Series Computer Organization and Architecture I/O Interface
Which among the following is a process of 'Buffering' in the device management?
1
Reschedules Input/Output requests sent by the processes to improve the performance of the system.
2
Stores the data while data is being transferred between devices and applications.
3
To store the jobs in a spool, which the device can access when it is ready.
4
The central processing unit waits for a device to be ready for an Input/Output operation.