(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.