For two devices to communicate with each other using nfc, they need to be within which distance?
10 centimeters
10 inches
10 meters
10 millimeters

State 7 common key's for every keyboard

Afile named data. txt contains an unknown number of lines, each consisting of a single integer. write some code that creates two files, dataplus. txt and dataminus. txt, and copies all the lines of data1.txt that have positive integers to dataplus. txt, and all the lines of data1.txt that have negative integers to dataminus. txt. zeros are not copied anywhere.

Which of the following is an example of an input device? a barcode readeran organic light-emitting diodean inkjet printera cathode ray tube