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Exam 2: Looking at Computers: Understanding the Parts

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Question 21

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The width-to-height proportion of a monitor is known as the ________.

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verified

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Question 22

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Match each of the following terms to its meaning:

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Responses

bit

unit of measure for processor speed

dpi

tiny dot that creates an image on the computer monitor

pixel

measurement of printing speed

hertz

0 or 1

ppm

measurement of printer resolution

Premises

bit

dpi

pixel

hertz

ppm

Responses

unit of measure for processor speed

tiny dot that creates an image on the computer monitor

measurement of printing speed

0 or 1

measurement of printer resolution

Show Answer

Correct Answer

Premises

Responses

bit

dpi

pixel

hertz

ppm

Premises

bit

dpi

pixel

hertz

ppm

Responses

Question 23

Short Answer

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A(n) ________ device is a component, such as a keyboard, that connects to the computer.

On a keyboard, Num Lock and Caps Lock are both toggle keys.

The ________ contains the central electronic components of the computer.

Which port is the most common port found on today's computing devices?

All of the following are examples of nonvolatile storage EXCEPT ________.

All of the following are ways to avoid injuries when working on computers EXCEPT ________.

A(n) ________ is a computer that is designed to perform complex calculations very rapidly.

A smartphone is a computer.

Processing is manipulating, calculating, or organizing data into information.

A keyboard and mouse are examples of ________ devices.

CDs, DVDs, and ________ discs are examples of optical storage.

A(n) ________ microphone picks up sounds coming from all directions at once and is well suited for conference calls.

Brightness ratio is the difference in light intensity between brightest white and darkest black produced by a monitor.

________ is the set of computer programs that allows the hardware to perform different tasks.

Inkjet printers and laser printers are examples of ________ printers.

________ is a power-saving mode that stores data to a computer's hard drive instead of to its memory.

A desktop computer's ________ is the metal or plastic case that houses the power source and all storage devices of the computer.

Which of the following optical storage media has the greatest storage capacity?