
The diagrams below are computer devices.
(a) Name any eight of the computer devices labelled A – I.
(b) State one use of any six input devices named in 4(a).
Explanation
(a) Names of Computer Devices Labelled A-1: A - speaker. B - microphone. C - web camera/webcam. D - flash drive. E - monitor. F - printer. G - keyboard. H - optical pen. I - joystick.
(b) Uses of the Following Computer DeviceS: (i) Microphone:- It is a device used to capture voice into the system unit for voice recognition software, (ii) camera: It is a device that captures images for use in the syste. (iii) Flash drive:- It is an external storage device that could be used to copy files from one system for use in another system. (iv) Keyboard- It has a typewriter face with letters, numbers and symbols used to input characters and commands into the system unit. (v) Optical pen: It is a pen that has sensitive eyes that can read characters printed in special colours into the system unit (vi) Joystick: lt is a pad designed for playing computer games. Like the mouse, t allows the user to move the cursor from one end to another.