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Input and output devices form an essential bridge between a computer’s central processing unit (CPU) and the external environment. The CPU, being the brain of the computer, cannot directly interact with users or external systems without the help of these devices. Input devices allow the system to receive data and instructions from users or other systems, while output devices enable the computer to convey processed information back to the user or another device. This interaction establishes a two-way communication channel where the computer can both accept and present information, making it functional and responsive in a managerial or business environment. Input devices capture raw data from the external world and convert it into a digital form that the CPU can process. For example, keyboards, scanners, and microphones transform textual, visual, or auditory information into signals that the computer’s processor can understand. The CPU then performs operations on this data according to programmed instructions, storing intermediate results in memory or registers. Output devices take the processed data from the CPU and convert it into a form perceivable by humans, such as visual displays, printed documents, or sound. Without these devices, the CPU would operate in isolation, unable to communicate the results of computations or receive further instructions effectively. The concept of input-output devices as a medium of communication is crucial for managers who rely ________ _________ __________ __________ _____ ______ ____ __________ ________ ____ _________ ______.
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