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.
One classification of peripherals is input devices. Input devices are the parts that bring information into the computer, like the keyboard, mouse, microphone, and scanner. The input device translates human actions or physical objects (analog data) into an electronic (digital) form the computer can recognize.nother classification of a peripheral is an output device. Output devices translate information stored in the computer and present it in a way that humans can understand it. Typical output devices in a computer system are the monitor, speakers and the printer.