Understanding Dot Pitch and Color Depth in Computer Graphics

What is the purpose of dot pitch in computer graphics?

To measure the distance between same color dots

How many colors can be represented with 8 bits in color depth?

256 colors

What does the text mode in display modes do?

Divides the screen into rows and columns of boxes, each containing a character

What determines the amount of storage needed for each dot on the screen?

The memory required for each dot Signup and view all the answers

Which term refers to the smallest addressable element of the screen in graphics mode?

Pixel Signup and view all the answers

How many colors can be represented with 24 bits in color depth?

16 million colors Signup and view all the answers

What are the two fundamental ways to specify the position of a point in Computer Graphics?

Absolute coordinates and relative coordinates Signup and view all the answers

How are lines or edges represented in Computer Graphics?

By two points Signup and view all the answers

What type of data structure is the simplest form used for storing picture information?

Linear list Signup and view all the answers

Which of the following is NOT an application of Computer Graphics as mentioned in the text?

Medical imaging Signup and view all the answers

What is the file called that stores the information used to present a picture in Computer Graphics?

Database Signup and view all the answers

What are the three fundamental operations when treating a point as a graphic entity?

Move beam, draw invisible line, display a dot Signup and view all the answers

What is the purpose of the pick function in computer graphics?

Identify or select object within a displayed picture Signup and view all the answers

How does a computer graphics tablet provide feedback when used in conjunction with a CRT display?

Cursor follows the movement of stylus on the tablet surface Signup and view all the answers

What happens when a finger interrupts the two orthogonal beams in a touch panel?

X,Y coordinate pair is generated Signup and view all the answers

What is the resolution and accuracy range of a computer graphics tablet?

0.01 to 0.001 inches Signup and view all the answers

How does a low-cost touch panel allow users to interact with a computer?

By touching the screen directly Signup and view all the answers

What type of device is commonly used as a locator device in computer graphics?

Computer Graphics Tablet Signup and view all the answers