Which one of the following is an example of an Operating System?
ক) Microsoft Word
খ) Microsoft Excel
গ) Microsoft Access
ঘ) Microsoft Windows
Related Questions
ক) SXxY59 * &
খ) BCD 1234
গ) A1B2C3D4
ঘ) PasSwOrD
ক) Ctrl + Alt + Tab
খ) Ctrl + Alt + Del
গ) Ctrl + Shift + Del
ঘ) Ctrl + Alt + Shift
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