A hand-held device for optically reading bar codes on goods, labels & shelves is____________________?

Related Mcqs:

Third generation computers__________________?

A. Were the first to use integrated circuitry B. Used transistors insted of vaccum tubes C. Were the first to use built-in error detecting devices D. All of the above...

Bits can be send over guided and unguided media as analog signal by___________________?

A. digital modulation B. amplitude modulation C. frequency modulation D. phase modulation...

CDs are of which shape ?

A. Square B. Rectangular C. Round D. Information...

Where do you find the clock and calendar in/on your computer ?

A. Task bar B. Menu bar C. Desktop D. Start menu...

The primary goal of a computer is to turn data into ___________________?

A. ideas B. suggestions C. information D. reports...