Lesson 2

A technique or device that examines a fingerprint, coice pattern or the iris or retina of the eye.

Biometrics

Bluetooth doesnt use radio waves and doesnt provide wireless shortrange.

False

Input and output devices can stand alone-they do not need to be connected to the computer

False

Input and output devices perform the same function.

False

Another type of external bus?

Firewire

a mobile printer is small, battery-powered printer, primarily used to print from a notebook computer.

Mobile

The display device on a computer, which includes the screen and the housing for its electrical component.

Monitor

The following is not considered an input device.

Monitor

These devices use a light source to read characters, mark, and codes

Optical character recognition (OCR)

Technology that allows a hardware component to be attached to a computer so it is automatically.

Plug-and-play

Devicese that can change images into codes for input to the computer.

Scanners

Digital pen are pen-like writeing instruments?

Stylus

A data projector is a type of specialized output device that projects the computer image onto a screen, usally during a preseention.

True

An optical mouse uses a laser to detect the mouse's movement.

True

Video input is the process of capuring full-motion images with a video camera.

True

can some keyboards be operaterd with one hand or with the feet?

True

Standard for computer ports that support data transfer rates of up to 12 million bits per second.

Unversal Serial Bus (USB)

What is the type of scanner that converts graphics into an electronic form?

image scanner

Data or instructions which must be entered into the computer and then stored temporarily or permanently on a storage media device.

input

Data that has been processed into a useful format.

output