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AND, OR, XOR (exclusive or) Boole
AND, OR, XOR, NOT (inputs) (output) ()
AND, OR, XOR, NOT (inputs) (output)
flip-flop
(output) flip-flop 11()
. 11
(output) flip-flop 11()
. 11
OROR 11 , ANDAND
(output) flip-flop 11
.
11 ANDAND OROR 00
flip-flop
1 byte
/ (RW)
(format) CD
(track), (sectors)
/
(R/W)
(records)
Hello. ASCII
() ()
.
.
100101100101
bit
1. .
2. , .
3. , .
13
: bit map.bit map.
, pixels (picture element). pixel :
, (RGB RedGreenBlue). MB.
. vector.vector.
. .
, . (scalable fonts, ..
TrueType, PostScript) . CAD (Computer-Aided Design).
.
0, 1.5, 2.0, 1.5, 2.0, 3.0,4.0, 3.0, 0
101.101101.101
bit
2. . . .
--66 bits
66 bitsbits
--66 bitsbits
bitsbits 11
bits bits
10 10
2 2
10 10
(excess-8)
bit
Bit Bit
()()
BitBit
2 5/8
2 2
bitbit
bitbit
Bit Bit
()()
xyxxyzyxyxxyzy (5, 4, x)(5, 4, x)
. () 5 .. () 5 .
. 4 . 4 bitbit . .
. 4 . 4 bitbit . .
. . , . , .
ASCII A F (odd parity)
ASCII ASCII A A
1 1
ASCII ASCII F F
1 1
( (pattern) pattern) 1 1
( (pattern) pattern) 1 1
(error-correcting code)
010100
AND, OR, XOR (exclusive or) Boole AND, OR, XOR, NOT (inputs) (output) () AND, OR, XOR, NOT (inputs) (output) flip-flop (output) flip-flop 1 () (output) flip-flop 1 () (output) flip-flop 1 flip-flop 1 byte (format) CD (records) Hello. ASCII () () 100101 13 0, 1.5, 2.0, 1.5, 2.0, 3.0,4.0, 3.0, 0 101.101 2 -6 bits (excess-8) bit 2 5/8 xyxxyzy (5, 4, x) ASCII A F (odd parity) (error-correcting code) 010100