A
Bar Code Readers
B
Optical Character Reader
C
Magnetic Ink Card Reader
D
Optical Mark Reader
Optical Mark Reader (OMR) is a special type of optical scanner used to recognize the type of mark made by pen or pencil. It is used where one out of a few alternatives is to be selected and marked. It is specially used for checking the answer sheets of examinations having multiple choice questions.
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A
Chip reader
B
Bar stripe reader
C
Magnetic stripe reader
D
MICR stripe scanner
A magnetic stripe reader, also called a magstripe reader, is a hardware device that reads the information encoded in the magnetic stripe located on the back of a plastic badge. ... The magnetic stripe on the back of a badge is composed of iron-based magnetic particles encased in plastic-like tape
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A
Joystick
B
Mouse
C
Pen
D
Keyboard
Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends.
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A
2
B
3
C
4
D
1
The joystick can be moved in 4 directions.
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A
Monitor
B
Printer
C
Scanner
D
Mouse
Trackballs designed for computers generally serve as mouse replacements and are primarily used to move the cursor on the screen. Like mice, computer trackball devices also include buttons, which can serve as left-click and right-click buttons, and may also be used to enter other commands.
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A
Input devices
B
Output devices
C
Firmware
D
Software
Input devices
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A
Infrared Remote
B
Trackballs
C
Scanner
D
Magnetic Card Reader
Infrared Remote
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