Chapter 5 & 6 notes (fill in the blank) - Input/Output

Chapter 5

1.  Once data is entered into the computer, it is processed into information.  Remember that from chapter one?  Input is any data or instructions entered into the computer.  We talked about data being raw facts and figures.  Instructions can be input three ways.  Define each.

Programs -

Commands -

User responses -

2.  Input devices are used to enter data.  The most popular is the keyboard.  Define the following:

Toggle keys - (give examples too)

Function keys -

What advantage does a trackball offer over a mouse?

Where are touchpads most likely found?

What should touch screens NOT be used for?

Joysticks are used primarily for?

What does a voice recognition do?

3.  Digital camera offer many advantages over traditional cameras.  Give a few examples:



What does resolution mean?

4.  What is an optical scanner?


Define each:  flatbed scanner:


OCR -

OMR -

Bar Code -


RFID -

MICR -

POS terminals  (what can they do?)



List a few types of biometric input:

Chapter 6 notes

Output is processed data.  It can take the form of text, graphics, audio, and video.

An output device is any type of hardware component which will display or recognize the output.

1.  Display devices, or monitors, are a necessary hardware component.  There are many kinds.  Define the following:

CRT - (this is older technology - don't spend much time on it)


LCD -

What determines LCD quality? (Look for 5 items)





What technology goes a plasma monitor use?

What is a pixel?


2.  Printers produce text and graphics on a physical medium.  Define the following:

How does a nonimpact printer form an image?  Give at least three examples of nonimpact printers.



What is a plotter used for?

How do impact printers form the image?


Give two examples of impact printers.


List some advantages and disadvantages of impact vs nonimpact printers.





Other forms of output devices include speakers, headphones, fax machines, and data projectors.