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

Computer-processed information consists of 0s and 1s,which need to be translated into words,numbers,sounds,and pictures.

One common type of soft-copy output is LCD (liquid crystal display).

Speech-recognition packages let users turn dictation into text displayed on the computer screen but do not allow users to issue spoken commands.

Tactile keyboards are also called virtual keyboards.

People who use keyboards a lot may suffer from which physical problem?

Which device prints large,three-dimensional high-quality color graphics?

Which printer uses a print head of small pins,which strike an inked ribbon against paper,to form characters or images?

An intelligent terminal has its own memory and processor,as well as a display screen and a keyboard.

Impact printers are the only desktop printers that can use multilayered forms to print many copies at once.

What do you call a video display screen that can receive input from the touch of a finger?

The inkjet printer is the most common type of nonimpact printer.

The science of using individual body characteristics as input to identify a person is called __________.

It is possible to scan hardcopy text into a word-processing document and then edit and format this text.

Pointing devices control the position of the cursor or the pointer on the screen and allow the user to select options displayed on the screen.

The science of making working conditions and equipment safer is called __________.

A small,flat surface used mostly on laptop computers over which users slide their finger to move the cursor is called a __________.

Resolution is expressed in dots per centimeter (dpc).

Many laptops can be fingerprint-protected instead of just password-protected.

The smallest unit on the screen that can be turned on or off or made different shades is a __________.

What is a sound board?