Input and output devices

What is an optical mouse?

• A mouse that is not connected to the computer by a cable but communicates with it using radio waves

• A mouse that is used with a computer to move the point/cursor on the screen.

• A mouse emits light and uses an optical sensor to detect changes in the reflected light to move the pointer on a computer screen.

Two advantages of magnetic strips

• Cheap

• Card can be used with reader

• Simple no training needed

• the readers can be wireless

What does RFID stand for

• Random framed identification

• Radio frequency identification

• Read forensic image

• Random forensic identification

is used to control a multimedia projector.

• Remote control

• Mouse

• Joystick

• Touch screen

This is called:

• Mouse

• Trackerball

• Joystick

• Scanner

What is an actuator?

• A device that sends signals to other devices

• A device that helps disconnect machines to other machines

• A device that causes a machine or other devices to operate

• A device that enables sound systems to your device

Which of the following is not a type of printer?

• Networked
• Thermal
• Impact
• Laser

What is a plotter?

• A device that is used to draw graphics on paper after receiving data from a computer.

• a pair of padded speakers which you wear over your ears in order to listen to a radio or recorded music, or for using a phone without other people hearing it.

Multi media projector is a device that can project an image from a computer onto as large a surface as is necessary

• True

• False

What does OMR stand for?

• Optical Mark Recognition
• Optical Meter Reader
• Operator Mark Recognition
• Online Meter Reader