Diphtheria and tetanus are serious diseases caused by bacteria. Diphtheria causes a thick coating in the nose, throat, and airways. It can lead to breathing problems, paralysis, heart failure, or death.
Student Notes Page 1 of 7 K Aquilina Input Devices Input is any data or instructions entered into the memory of a computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. The following is a list of the most common input devices which are nowadays found in a computer system. QWERTY Keyboard glossary pg. 129, 132 A keyboard contains keys that allow a user to enter data and instructions into the computer. All computer keyboards have a typing area that includes the letters of the alphabet, numbers, punctuation marks, and other basic keys.
The Definition of Input Devices. Input devices are hardware components that enable users to interact with a computer. Without input devices, you would not be able to feed instructions to a computer. The most common input devices in modern computers are the mouse (or pointing device), the keyboard, the scanner, the webcam and the microphone. Another input device, serving a niche purpose, is the joystick, used in gaming.