ITM 207 FINAL EXAM REVIEW Questions and
Answers | 2025/26 Update | 100% Correct
ASCII stands for
American Standard Code Information Interchange
ASCII
Uses 7 bits with 128 characters and the 8th bit is a check bit
Extended ASCII
Uses 8 bits and it is not good for international use
Unicode
Superset of ASCII
Base System
checking base of each number
10^k-I
Ten's Complement
2^n
To represent how many things
Color Depth
Amount of data to represent a color
Hi Color
, 16 Bits:
5 bits for RGB
Remaining is for transparency
True Color
24 bits:
8 bits for RGB
Compression Ratio
size of compressed ratio/original data
Key Word Encoding
replace frequently used words
Run Length Encoding
replaces repetitive symbols
Huffman Encoding
uses binary numbers to replace characters
Sampling
Measure voltage
Quantization
Represent voltage using finite #'s
Digital Data
Answers | 2025/26 Update | 100% Correct
ASCII stands for
American Standard Code Information Interchange
ASCII
Uses 7 bits with 128 characters and the 8th bit is a check bit
Extended ASCII
Uses 8 bits and it is not good for international use
Unicode
Superset of ASCII
Base System
checking base of each number
10^k-I
Ten's Complement
2^n
To represent how many things
Color Depth
Amount of data to represent a color
Hi Color
, 16 Bits:
5 bits for RGB
Remaining is for transparency
True Color
24 bits:
8 bits for RGB
Compression Ratio
size of compressed ratio/original data
Key Word Encoding
replace frequently used words
Run Length Encoding
replaces repetitive symbols
Huffman Encoding
uses binary numbers to replace characters
Sampling
Measure voltage
Quantization
Represent voltage using finite #'s
Digital Data
