If the telephone company added one more digit to all the phone numbers in one area code, how many new phone numbers could potentially be added?

From the computer world: What does the word "modem" abbreviate?

What does the acronym VPN stand for?

Who founded the Free Software Foundation in 1985?

What company is the largest producer of computer software for the personal computer?

What early programming language was developed by John Backus at IBM in the 1950s for scientific computing?