Answer:
The answer for B is 10% and for C is 40%.
Explanation:
To get the percentage for B you take the the frequecy of students taking 2 courses (5) and multiply it by 100 then you divide it by whole number of students.
For C you do the after adding the number of students taking 1 or 2 courses (20).
Answer:
Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial field busses and computer networks.
Answer:
Option D
Explanation:
Complete question
A management information system is typically used by _____.
A. all levels of employees
B. company executives
C. upper-level managers
D. middle-level managers
Solution
A management information system is typically used by middle-level managers
Option D is the correct answer
Management information system (MIS) helps the middle managers to control the work across the various teams of organization.
D. A database is software which is designed to store massive amounts of data and organize them in such a way that information can easily be worked on (added, deleted, moved, etc...).