1. (15 Points) A typical published page consists of approximately forty lines at seventy-five characters per line.a. How many published pages of 16-bit Unicode text would fit on a typical 600MB CD-ROM? 325000 pagesb. How many published pages of text would fit on a netbook computer with an 80 GB flash memory? Tons!2. (10 Points) Describe the steps that occur when a system receives multiple interrupts.3. (5 Points) Carefully explain the purpose of a bus interface.4. (10 Points) What are the trade-offs in using a serial bus versus a parallel bus to move data from one place to another?