Describe the use of each of the following computer devices: (i) Keyboard; (ii) mouse; (ii) scanner. (6 marks)June/July 2020

(i) Keyboard: A keyboard is a device that is used for inputting text and data into a computer. It consists of a set of keys that allow a user to type letters, numbers, and symbols, as well as perform various functions such as navigating and editing text. Keyboards are commonly used for writing documents, sending emails, and entering data into databases.

(ii) Mouse: A mouse is a device that is used for inputting data into a computer by moving a cursor on the screen. It consists of a small handheld device with one or more buttons that a user can press to perform various actions, such as clicking, double-clicking, and dragging. Mice are commonly used for navigating and interacting with graphical user interfaces, such as those found on desktop computers and laptops.

(iii) Scanner: A scanner is a device that is used to digitize physical documents or images. It consists of a flatbed or sheet-fed device that a user can place a document or image on, and a sensor that captures the image and converts it into a digital format. Scanners are commonly used for creating electronic copies of documents, creating digital images of photos and artwork, and converting physical documents into editable text formats.