Exam 5: Hardware: Input and Output: Taking Charge of Computing and Communications

What is a mouse?

Fast,repetitive motions of the arm,neck,or other body parts may result in __________ injuries.

How does a speech-recognition system work?

Which kind of device reads "bubble" marks and converts them into computer-usable form?

Laptops,tablets,and smartphones have built-in ________ screens.

A light-sensitive penlike input device that uses a wired connection to a computer terminal is called a(n)__________.

Ergonomics involves the relationship between workers and their environments,including workers' health.

How do repetitive stress injuries occur?

If you want to dictate a report to your computer,you would use __________ software.

The higher the refresh rate,the poorer the image quality on the screen.

The active display area of a computer screen is measured vertically from top to bottom in inches.

Which of these devices would a user need to utilize icons in window-based software?

The vertical zebra-striped marks placed on most manufactured retail products that are used to scan input are called __________.

What is a sensor?

Devices that translate information processed by the computer into a form that humans can understand are called __________ hardware.

A researcher monitoring water pollution downstream from a manufacturing plant would most likely use a(n)__________.

Multifunction printers can also fax,but not scan.

What is the difference between hardcopy and softcopy?

The more __________ (or dots)a screen uses,the higher its resolution.

The science of analyzing people's unique physical characteristics for security purposes is called RFID.