F1 I/Dev

The most common input device is the

• scanner

• keyboard

• printer

• joystick

Which of the following devices cannot be used for playing games?

• keyboard

• joystick

• mouse

• printer

Which device is used primarily in design and engineering?

• joystick

• scanner

• digitising tablet

• keyboard

Which of the following devices can be used by visually impaired persons?

• braille keyboard

• joystick

• mouse

• barcode reader

Sensors can be used to measure all of the following except

• pulse

• temperature

• sound

• OMR

OCR:

• detects marks on paper

• detects the unique ridges in a fingerprint

• understands and easily converts handwritten text

• detects the shape of characters

This mouse action is used to open a document:

• dragging and dropping

• clicking

• right clicking

• double clicking

Which of the following is not a scanning device?

• barcode reader

• touch pad

• optical mark reader

• optical character recognition

Which of the following is a specialised input device?

• magnetic ink character recognition

• barcode reader

• joystick

• all of the above

Which of the following is true about biometric systems?

• it is more accurate than passwords

• it can be used to identify pet also

• it uses only fingerprints to identify persons

• biometrics used letters and numbers