Computer Basic Information A hand-held device for optically reading bar codes on goods, labels & shelves is Wand Touch tablet None of these Light pen Mouse Wand Touch tablet None of these Light pen Mouse ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following are not likely to be found on a PC main circuit board RAM chips Microprocessor chips LCD clocks ROM chips None of these RAM chips Microprocessor chips LCD clocks ROM chips None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which is a secondary memory device? Mouse CPU ALU None of these Floppy disk Mouse CPU ALU None of these Floppy disk ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The time for which a piece of equipment operates is called Access time Real time None of these Effective time Seek time Access time Real time None of these Effective time Seek time ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The average time necessary for the correct sector of a disk to arrive at the read write head is ________ . None of these Access time Rotational delay Seek time Down time None of these Access time Rotational delay Seek time Down time ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The first computer mouse was built by Oaniel Coogher Robert Zawacki William English Douglas Engelbart Oaniel Coogher Robert Zawacki William English Douglas Engelbart ANSWER DOWNLOAD EXAMIANS APP
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