Input/Output Devices and Their Applications

Front

What is an Optical Mark Reader (OMR) used for?

Back

Filling out forms by shading, such as questionnaires and multiple-choice exams.

Front

What are the applications of a Keyboard?

Back

Preparing letters and typing text documents; Data Entry.

Front

What can a Light-Pen be used for?

Back

Drawing images, signing signatures, and making selections from a displayed menu.

Front

List some applications of Touch Terminals.

Back

Airports for navigation, fast-food outlets for placing orders, theatre booking offices for purchasing tickets, theme parks, and large shopping malls.

Front

What does a Voice Response Unit (VRU) do?

Back

Takes data from a PC and outputs it as spoken words.

Front

What is the purpose of a Bar Code Reader?

Back

Used in library lending systems, supermarkets, and retail stores.

Front

What is a Microphone used for?

Back

Talking to the computer to give commands or input information.

Front

What is the function of a Digital Camera?

Back

Capturing digital images for computer applications such as web pages.

Front

How do Biometric Systems identify individuals?

Back

By using some part of a person's body to uniquely identify them.

Front

What are Sensors used for?

Back

Data entry through devices like a piano-type keyboard or responding to being struck.