Saja Computer House

If a memory chip is volatile, it will _____________________?
A. explode if exposed to high temperatures
B. lose its contents if currents it turned off
C. be used for data storage only
D. be used to both read and write data

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A _______________ is often used to select or highlight?
A. Mouse
B. Icon
C. Keyboard
D. Hard disk

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The light pen was developed in_________________?
A. 1950
B. 1942
C. 1948
D. 1956

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A hand-held device for optically reading bar codes on goods, labels & shelves is____________________?
A. Wand
B. Light pen
C. Mouse
D. Touch tablet

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