INPUT AND OUTPUT DEVICES

The numerical keypad can be found on the following except

• ATM Machines

• POS Machine

• Mobile Phones

• Trackerball

These are examples of pointing devices except

• Tracker ball

• Mouse

• Camera

• Touch pad

RSI is an acronym for

• Real Stress Injury

• Radioactive Syndrome Intake

• Repetitive Strain Injury

• Risk and Safety Index

Light dependent/activated sensors can be used in the following areas except

• automatic doors that open at malls

• intruder alarm systems

• street lighting control

• central heating systems

Magnetic stripe readers are used in the following areas except

• Credit/debit cards

• Security doors to hotels

• Electronic funds transfer at POS terminals

• Object recognition

......... is a device which can read marks written in pen or pencil on a form

• OMR

• Camera

• Microphone

• Light pen

This is a example of a/an

• QR code

• Grid line

• OCR print

• RFID

........... is used for converting printed documents to an editable electronic format

• Scanner

• OCR

• Light pen

• OMR

Which of the following can not be directly measured by a sensor

• Temperature

• Light intensity

• Heat

• Pressure

Which of the following is most suitable for inputting a short report into the computer

• tracker ball

• Keyboard

• Joystick

• OMR