cpe151

2. The closest storage device to the CPU.
4. It handles job as they enter the system.
7. It monitors every device, channel and control unit.
8. It is a combination of batch and interactive operating system.
9. It is responsible for scheduling, synchronization, protection/security, memory management, and dealing with interrupts.
10. It provides a convenient environment for program development and execution.
15. It determines which type of interrupt has occurred.
17. It is a part of the disk that determines the logical interaction between the device and the computer.
18. It is the only large storage media that the CPU can access directly.
19. In what year does the Database management software became a popular tool.
20. It gives a faster turnaround than batch systems but are slower than the real-time systems.

1. A rigid metal or glass platters covered with magnetic recording material.
3. It holds the smallest legal physical memory address.
5. It sends request to the operating system to allow user to wait for I/O completion.
6. It provides an interface identical to the underlying bare hardware.
11. It is a table contains entry for each I/O device indicating its type, address, and state.
12. Its responsibility is to set up a table to keep track of who is using which section of memory in a multiuser environment.
13. It is a software-generated interrupt caused either by an error or a user request.
14. A system that controls every file, every device, every section of main memory, and every nanosecond of processing time.
16. It provides a convenient way for users to share resources while controlling users’ access to them.