John travels a lot and he needs to access his documents and services on the go which of these technologies allows him to access documents and software while on the move

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

What are the three uses of a screw?