Exam 5: Input

What is the difference between a mechanical mouse and an optical mouse?

An option for people with limited hand movement is a _____ to control the pointer or insertion point.

A(n) ____ device translates a personal characteristic (the input) into a digital code that is compared with a digital code stored in the computer.

Explain what MICR is and how MICR readers work, and what their uses are.

Many companies use OCR characters on a(n) ____ document, which is a document that is returned to the company that creates and sends it.

A(n) _________________________ is a type of digital video camera that is used to capture video and still images, send e-mail messages with video attachments, add live images to instant messages, broadcast live images over the Internet, and make video telephone calls.

Similar to a mechanical mouse that has a ball on the bottom, a(n) _________________________ is a stationary pointing device with a ball on its top or side.

The camera in a(n) _____ scans patterns of blood vessels in the back of the retina.

Voice over IP enables users to speak to other users over the Internet.

With _____, the computer will detect human motions.

Many scanners include _________________________ software, which can read and convert text documents into electronic files.

A joystick usually includes buttons called triggers that are pressed to activate certain events.

Data consists of the steps that tell a computer how to perform a particular task.

OCR software is useful if a user needs to modify a document, but does not have the original word processing file.

A(n) _________________________ converts MICR characters into a form the computer can process.

Figure 5-2 The actual photographed resolution of a digital camera like the one shown in Figure 5-2 is known as the _____.

Figure 5-1 Nearly all keyboards, such as that shown in Figure 5-1, have a(n) _____ that switches between two states each time a user presses the key.

Figure 5-4 As shown in Figure 5-4, ____ is a technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person.

A voice recognition program on your computer may recognize up to _____ words.

Exposure to a magnet or magnetic field can erase the contents of a card's magnetic stripe.