Answer:
D. The need to slow down more often in life.
The second the hardware and the software
Answer: Interrupt-driven program is defined as the program that permits to executes by stopping the execution of the currently running program.The completion of the program is indicated by the interrupt as a signal from assistant action .
Operating system is the system that carries out the functions and task of computer system.It has the major mechanism in which every alteration and changes are remarked such as state of hardware, event alteration, software component changes etc by the interrupt system.
Through interrupt system the operating system conducts new assignment and task for the compensation of changes that occurred in the system by halting the current working. Resources are invoked to fulfill the requirement of the work load.Thus, operating system can act in interrupt driven system's manner.
About a database. A data dictionary defines the structure of the database itself (not that of the data held in the database) and is used in control and maintenance of large databases. Among other items of information, it records (1) what data is stored, (2) name, description, and characteristics of each data element, (3) types of relationships between data elements, (4) access rights and frequency of access. Also called system dictionary when used in the context of a system design
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