CSP Unit 4 Vocab
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20 Terms
Abstraction
simplifying complex things
ASCII
standard text character encoding
Binary Number System
base-2 number system
Bit
single binary digit
Caesar Cipher
letter-shifting encryption method
Compression
reducing file size
Cryptography
protecting information with codes
Data Compression
encoding data using fewer bits
Decimal Number System
base-10 number system
Digital Information
data represented by bits
Hexadecimal Number System
base-16 number system
Lossless
no data is lost
Lossy Compression
some data is removed
Number Base
how numbers are counted
Number System
way to represent numbers
Pixel Image
picture made of pixels
Public Key Encryption
uses two related keys
RGB Color Encoding
colors using red
Symmetric Encryption
same key encrypts
Webimage
image from the internet
Note 
Flashcards (26)