1. Draw ER Diagram using symbols and notation for a simple school management system that captures the details of student, course and instructor. In the system, student has relationship with course and instructor
has relationship with course. Describe the relationships and determine the type of relationship between
the entities in the real world in your diagram. Student has name, stud id, phone number, email, date of
birth, age, year enrolled and years stayed in school. Course has course code and course name. Instructor
has name, instructor id and phone number.
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You are new to microsoft certification and want to start out by getting a certification geared around windows 8. what microsoft certification should you pursue?

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).

You wanted to look up information about alzheimer's, but you were unsure if it was spelled "alsheimer's" or "alzheimer's." which advanced search strategy would be useful? a) a boolean search b) using a wild card in your search c) trying different search engines d) doing a search for "alsheimer's not alzheimer's" asap. ill give brainlist.