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INPUT DEVICE Used to communicate with a computer. They enable the computer used to enter data, information & programs into the computer. They also let the user issue commands to the computer
keyboard
OUTPUT DEVICE Used to extract/ disseminate processed data from the computer. They display the results of all the information that has been processed. They also convert machine-coded output results from the Processor into a form that can be understood by people
monitor
PROCESSING The core function of any computer.One common example of a processing device is the 'Central Processing Unit, ' which we usually call the
CPU
MEMORY (STORAGE) DEVICE Memory devices are any devices that are capable of storing information temporarily or permanently. THERE ARE TWO TYPES OF MEMORY: Primary Memory Refer to RAM (random access memory), which is used to store instructions and data temporarily before and after they are processed. RAM is
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Secondary Memory: Refers to any external storage media. Secondary memory is
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