GUI শব্দটির পুর্ণরুপ কি

(ক) Graphical User Interface

(খ) Graphical Unified Interface

(গ) Graphical Unified Instrument

(ঘ) Graphical User Instrument

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GUI = Graphical User Interface is a Computer Program That Enables a Person to communicate with a Computer Through The use of symbols Visual Metaphors, and pointing Device.