Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
High School Electives
/
Computer Science
/
Bits, Bytes, and Binary States
Grade Level
Computer Science
HSCS.039 Bits, Bytes, and Binary States
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A device needs codes for seven normal states plus one error state. What is the minimum number of bits needed for a fixed-length code?
A
8 bits, because no fixed-length code can use fewer than one byte.
B
2 bits, because seven states plus one error state equals two groups.
C
4 bits, because every state must use a full byte.
D
3 bits, because 2
3
provides 8 patterns.
Submit Answer