Which is an internet service?

antivirus
chat
firewall
router

Write c function that can replace all the positive elements to 0 and negative to 1 in undefined length one-dimensional array. test your program in the main program by defining one-dimensional array of 6 elements

I'll mark brainliest if answered right! with which feature or menu option of a word processing program can you make an image like this? you can get this image using the option of a word processing program.

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.