INPUT/OUTPUT ORGANISATION

Horizontal Words

1. 11. Attempt to execute a priviliged instruction in user mode leads to ___? (19)
3. 13. device that is allowed to initiate datatransfer on bus at any given time (9)
5. 15. Exclusive access to main memory in bus transfer (9)
7. 1. Enables the device to recognize its address when it appears on address line. (14)
9. 12. DMA controller in interoven fashion using a bus called as ___? (13)
11. 7. Linkage of two or more function related to each other (10)
13. 2. Stores information relevant to I/O devices operations. (14)
15. 8. Waiting fo the status flag of devices (7)

Vertical Words

2. 6. Signal back to I/O devices as a sign of acceptance (24)
4. 9. Starting address of ISR (15)
6. 14. Processor is the master of bus in this selection of bus for I/Odevice (22)
8. 3. Holds data being transferred to or from the processor (12)
10. 10. Processor executing OS routines in this mode (14)
12. 4. Synonym of Disturbance (9)
14. 5. steps for I/O operations (23)