This is the collection of physical elements that constitutes a computer system. Computer hardware refers to the physical parts or components of a computer such the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD), system unit (graphic cards, sound cards, memory, motherboard and chips), etc. all of which are physical objects that can be touched. In contrast, software is instructions that can be stored and run by hardware.
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Input and Output Devices
An input device is any computer hardware equipment used to send data into the storage of the computer for processing examples are keyboard, Card reader, Mouse,. Scanner, Microphone, Joystick etc
Computer output device is a device that releases the processed data from the computer to either the user or any storage devices. Examples are the Monitors, printers , speaker, projector etc.
|1. Revision on examination questions.
Student are allowed to give corrections to the assessment given by the teacher ,while the teacher support s them in order to guide them