(a) Supply the names of the inventors of the following devices: DEVICE NAME OF INVENTOR...
(a) Supply the names of the inventors of the following devices:
DEVICE | NAME OF INVENTOR |
Analytical Engine | |
Mechanical Digital Calculator | |
Slide Rule | |
Punched Card |
(b)(i) What are input devices? (ii) List four input devices
Explanation
DEVICE | NAME OF INVENTOR |
Analytical Engine | Charles Babbage |
Mechanical Digital Calculator | Blaise Pascal |
Slide Rule | William Oughtred |
Punched Card | Herman Hollerith |
(b)(i) Input devices are peripherals/ hardware/devices Connected to the computer that are used to send data / information / signals / commands to the computer system,
OR
Input devices are peripherals/ hardware/ devices that allow users to interact with / control the computer system/computer/digital electronics machine.
(ii) - Keyboard/MIDI keyboard; - Light pen/pen input, Mouse, - Joystick; - Scanner,- Cameras -Digital camera/Webcam; Microphone: Card reader;
Fingerprint scanner/Reader: -Trackball.