Which type of software must include the source code, which allows programmers to modify and improve the software?

In a cellular network each cell is controlled by a tower what are these towers called?

Wireless communications is likely to be viewed as an essential part of an enterprise network infrastructure when: select one: a. mobile communication is needed b. communication facilities must be installed at low initial cost c. communication must take place in a hostile or difficult terrain that makes wired communication difficult or impossible d. the same information must be broadcast to many locations

Write a program that reads the file, then displays the average number of steps taken for each month. (the data is from a year that was not a leap year, so february has 28 days.) your program needs to use at least 3 functions not counting main and display the information in a neat well formatted fashion.