Bar-code readers use light to read
A) UPCs.
B) UPSs.
C) POSs.
D) optical marks.
Correct Answer:
Verified
Q5: A smart phone is a(n)handheld _ input
Q6: Which input device resembles an upside-down mouse?
A)touchpad
B)trackpoint
C)trackpad
D)trackball
Q7: Before a computer can recognize handwriting,an input
Q8: A standardized test that you may have
Q9: A key on your keyboard can be
Q11: OCR is
A)hardware.
B)firmware.
C)an output device.
D)software.
Q12: A _ uses pressure as a user
Q13: The most common pointing input device is
Q14: A touchpad responds to
A)light.
B)pressure.
C)clicking.
D)the sense of heat
Q15: The pointing device that comes built-in on
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