Images, Sound And ASCII Flashcards

1
Q

What is a vector image?

A

A vector image is a graphic that uses mathematical equations to create shapes, allowing for scalability without loss of quality.

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2
Q

What is a bitmap image?

A

A bitmap image is a graphic composed of a grid of pixels, where each pixel has a specific color.

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3
Q

True or False: Vector images can be resized without losing quality.

A

True

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4
Q

True or False: Bitmap images are resolution-dependent.

A

True

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5
Q

Fill in the blank: Vector images are typically created using _____ software.

A

graphic design

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6
Q

What file formats are commonly associated with vector images?

A

Common vector file formats include SVG, AI, and EPS.

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7
Q

What file formats are commonly associated with bitmap images?

A

Common bitmap file formats include JPEG, PNG, and GIF.

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8
Q

How do vector images handle complexity compared to bitmap images?

A

Vector images can handle complexity more efficiently as they use paths rather than pixels.

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9
Q

Which type of image is more suitable for detailed photographs?

A

Bitmap images are more suitable for detailed photographs.

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10
Q

What is one advantage of using vector images for logos?

A

Vector images can be resized to any dimension without losing quality, making them ideal for logos.

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11
Q

True or False: Bitmap images can be easily edited in terms of individual elements.

A

False

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12
Q

What is the primary disadvantage of bitmap images?

A

The primary disadvantage is that they lose quality when resized.

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13
Q

Fill in the blank: Vector graphics are defined by _____ rather than pixels.

A

mathematical equations

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14
Q

What is the primary use case for vector images?

A

Vector images are primarily used for illustrations, logos, and graphics that require scaling.

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15
Q

What happens to a bitmap image when it is enlarged significantly?

A

It becomes pixelated and loses clarity.

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16
Q

Name one software commonly used for creating vector graphics.

A

Adobe Illustrator

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17
Q

Name one software commonly used for editing bitmap images.

A

Adobe Photoshop

18
Q

What is the resolution of a bitmap image typically measured in?

A

Pixels per inch (PPI) or dots per inch (DPI).

19
Q

True or False: Vector images are better for complex color gradients.

20
Q

Fill in the blank: Bitmap images are composed of _____ which represent color.

21
Q

What is one key feature that distinguishes vector images from bitmap images?

A

Vector images are based on paths and shapes, while bitmap images are based on pixel grids.

22
Q

What is an advantage of vector images over bitmap images

A

It maintains its quality regardless of size.

23
Q

True or False: Bitmap images can easily be converted to vector images.

24
Q

What is the primary advantage of bitmap images over vector images?

A

Bitmap images can capture complex color variations and details, making them ideal for photographs.

25
Fill in the blank: Vector images are often used for _____ and illustrations.
logos
26
What is a common challenge when working with bitmap images?
Managing file size and resolution for high-quality prints.
27
What is Niquist rate
The sampling rate should be at least twice the maximum frequency of the sound being sampled
28
What does MIDI do
Allows electronic musical instruments and computers to send instructions and communicate with each other
29
How do you determine the file size of sound
Sample rate x bit rate x number of seconds
30
Is lossless or lossy better for sound
Lossless because lossy could decrease the quality of sound
31
What is a parity bit?
A parity bit is a binary digit added to a group of bits to ensure that the total number of 1-bits is even or odd.
32
True or False: A parity bit can detect all types of errors in data transmission.
False ## Footnote it can neither detect errors of even number of bits, nor can it correct any detected error as the location of bits where error occurred can't be identified in this method.
33
Fill in the blank: In even parity, the parity bit is set to ____ if the number of 1-bits is already even.
0
34
Which type of parity is used when the parity bit is set to ensure an odd number of 1-bits?
Odd parity
35
Multiple Choice: What is the primary purpose of a parity bit?
To detect errors in data transmission | 0 - even 1- odd
36
True or False: ASCII uses 8 bits per character.
False
37
Fill in the blank: ASCII originally uses _____ bits to represent each character.
7
38
Which of the following is a valid ASCII character? A) 128 B) 65 C) 256
B) 65
39
What is the purpose of ASCII?
To represent text in computers and communication equipment that use text.
40
At what number does A begin in ASCII
65
41
At what number does a begin in ASCII
97