Digital Basics

Question 1

What is sampling?

Answer 1

The process of are taking snapshots of sound waves at a regular time interval.

Question 2

What is quantization?

Answer 2

The number of available values determined by the number of bits (0’s and 1’s) used for each sample, also called bit depth

Question 3

What is the relationship between the number of pixels, resolution and file size?

Answer 3

More pixels = better resolution = larger file size

Question 4

How do you reduce the size of a file?

Answer 4

Compression

Question 5

What is the difference between vector and bitmap graphics?

Answer 5

Vector: non-pixelated, computer-generated images made up of lines, curves, points, and shapes that are defined by mathematical formulas
Bitmap: grid of pixels to represent an image

Question 6

Types of file formats : .ai

Answer 6

a vector image file created with adobe illustrator, AI files are made up of paths connected by points, rather than pixels, can scale without loss of quality

Question 7

Difference between uncompressed, lossless compression, and lossy compressed file formats?

Answer 7

Uncompressed: original form
Lossless: temporary reduction in file size
Lossy: permanent reduction in file size

Question 8

file format: .aiff

Answer 8

audio interchange file format, a popular audio file format used in professional audio and video application. files are uncompressed which means they maintain high audio quality but takes up more space

Question 9

file format: .acc

Answer 9

a digital audio field hat uses the advanced audio coding, standard to compress audio data

Question 10

file format: .gif

Answer 10

graphics interchange format, is a type of bitmap image file format that can support basic images and animations

Question 11

file format: .indd

Answer 11

File format is used by Adobe InDesign.
Characteristics:Layout and document based, page design, and text handling.
Uses: Print publishing, editorial design, interactive PDFs, and digital publishing.

Question 12

file format : .jpg

Answer 12

File format is one of the most commonly used image formats.
Characteristics: Lossy compression, 24-bit color, loss of detail in repeated saves, no layers, and standardized format.
Uses: Photographs, web images, social media, email attachments, image storage, printing, and limited graphic design.

Question 13

file format: ..mp3 - lossy audio

Answer 13

an audio coding format which uses a form of lossy data compression to reduce file sizes significantly, typically by a factor of 10, in comparison with a CD, yet still sound like the original uncompressed audio to most listeners. This is important for both transmission and storage concerns.

Question 14

file format: .mp4 -

Answer 14

The video container standard for multimedia on the Internet. Coupled with the H.264 codec it delivers very high quality video content at much reduced file sizes.

Question 15

file format: .mov

Answer 15

Apple’s QuickTime multimedia container file.

Question 16

file format: .png

Answer 16

portable network graphic, a raster image file format that is commonly used not the internet

Question 17

file format: .psd

Answer 17

a photoshop document file extension

Question 18

file format: .pdf

Answer 18

portable document format, a file type that allows users to easily share and print documents while preserving their original formatting

Question 19

file format: .prproj

Answer 19

a profile created in adobe premiere pro, points to the source files used to produces a video

Question 20

file format .sesx

Answer 20

a project file for adobe audition that contains information about a multitrack session, including the locations of audio and video files and the effects and envelopes applied to them

Question 21

file format: .wav

Answer 21

A standard audio format for Windows operating systems, often used for storing high-quality, uncompressed sound. WAV files can contain CD-quality (44.1 KHz/16-bit) audio signals. However, CD-quality WAV files require relatively large amounts of memory