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Loading puzzles
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4-Bit Parity Without XOR, Nandscape
Logic Editor
Idle
Open a puzzle from
the puzzle list
to see its prompt here.
−
FIT
+
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
+
Properties
Palette
Primitive
NA
NAND
Derived gates
AN
AND
OR
OR
NR
NOR
XO
XOR
XN
XNOR
NT
NOT
BF
Buffer
Sequential
DL
D Latch
FF
D Flip-Flop
JK
JK Flip-Flop
TF
T Flip-Flop
SR
SR Latch
CT
Counter
Decoders & Plexers
MX
Multiplexer
DX
Demultiplexer
DC
Decoder
PE
Priority Encoder
I/O & sources
IN
Input
OUT
Output
LED
LED
CLK
Clock
Buses
BM
Bus Merge
BS
Bus Split
Bus I/O
BI
Bus Input
BO
Bus Output
7S
7-Segment
Circuit blocks
HA
Half Adder
4B
4-Bit Adder
+ New block from canvas