Software

Microsoft offers Windows 10 October update

They say big things come in small packages. But when Microsoft releases its second semiannual Windows 10 update next month, it'll be mainly small things in a big package.

Consumer & Gadgets

Android 11 update offers tweaks and enhancements

They say good things come in small packages. This week's launch of the final release of Android 11 brings no big new attractions but rather several modest-size ones that should please most users.

Computer Sciences

Outsmarting the PIN code

A PIN code is usually required at the checkout when paying large sums by credit card. ETH researchers have now discovered a flaw in the security system of some credit cards.

Telecom

Security gap allows eavesdropping on mobile phone calls

Calls via the LTE mobile network, also known as 4G, are encrypted and should therefore be tap-proof. However, researchers from the Horst Görtz Institute for IT Security (HGI) at Ruhr-Universität Bochum have shown that this ...

page 10 from 40

Telephone

The telephone (from the Greek: τῆλε, tēle, "far" and φωνή, phōnē, "voice") is a telecommunications device that transmits and receives sound, most commonly the human voice. It is one of the most common household appliances in the developed world, and has long been considered indispensable to business, industry and government. The word "telephone" has been adapted to many languages and is widely recognized around the world.

The device operates principally by converting sound waves into electrical signals, and electrical signals into sound waves. Such signals when conveyed through telephone networks — and often converted to electronic and/or optical signals — enable nearly every telephone user to communicate with nearly every other worldwide. Graphic symbols used to designate telephone service or phone-related information in print, signage, and other media include ℡, ☎, ☏, and ✆.

This text uses material from Wikipedia, licensed under CC BY-SA