Registers
Collections of flip-flops with similar controls and logic
Store related values (e.g. a binary word)
Share clock, reset, and set lines
Employ similar logic
Examples
shift registers
counters
R
S
R
S
R
S
D
Q
D
Q
D
Q
D
Q
OUT1
OUT2
OUT3
OUT4
CLK
IN1
IN2
IN3
IN4
R
S
"0"
A 4-bit
storage
register
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