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Logic Circuit Class/Exam2006_2

2006…„ 2•™๊ธฐ ๊ธฐง๊ณ ‚ฌ

  • €ถ„  ˆ˜ —†Œ.
1. —ฐŠตฌธ œ 5-18 ๊ณผ ˜‘๊ฐ™Œ.
2. ‹คŒ๊ณผ ๊ฐ™ ”œ ˆฅผ ๊ฐ–Š” šŒกœ—„œ ˆ๊ธฐ—Š” x ๊ฐ€ 1‹ค. 0ˆผ •Œ x ๊ฐ€ 0œผกœ, 2ˆผ •Œ x ๊ฐ€ 1กœ €•œ‹ค๊ณ  •  ๊ฒฝšฐ x,y ˜ vector waveform „ ๊ทธฆฌ‹œ˜ค.
ํฌ๋งท๋ณ€ํ™˜_jb.jpg

3. ๊ฐ•˜ก— ‚˜˜จ ”ผ žŒ๊ธฐ ฌธ œ. ”ผ๊ฐ’€ 1dime, ™ „€ dime, nickel งŒ ฐ›Š” žŒ๊ธฐ. ๊ฑฐŠคฆ„ˆ€ ”ผ๊ฐ€ ‚˜˜ฌ •ŒงŒ ‚˜˜. X1  dime ž… ฅ, X2 ๊ฐ€ nickel ž… ฅ, Y ๊ฐ€ ”ผถœ ฅ, Z ๊ฐ€ ๊ฑฐŠคฆ„ˆ ถœ ฅธ šŒกœ „ค๊ณ„•˜‹œ˜ค. ƒƒœŠ” 0 ผ•Œ๊ฐ€ žŒ๊ธฐ ˆ๊ธฐ ƒƒœ๊ณ  1ผ •Œ๊ฐ€ 5„ผŠธฅผ ๊ฐ–๊ณ  žˆŠ” ƒƒœ.
  1. D ”Œฆฌ”Œกญœผกœ „ค๊ณ„•˜‹œ˜ค.
    b. JK ”Œฆฌ”Œกญœผกœ „ค๊ณ„•˜‹œ˜ค.
4. “จ„ฐ †ต‹ —„œ NRZI ฌธ œ. USB ๊ฐ€ NRZI ฐฉ‹„ “‹ค. ‹คŒ๊ณผ ๊ฐ™ NRZI ฅผ งŒ“ ‹ค.
ฉ”„ธ€๊ฐ€ 0  NRZI ๊ฐ€ invert ˜๊ณ  ฉ”„ธ€๊ฐ€ 1 NRZI ๊ฐ€ œ €œ‹ค.
˜ˆ)
ฉ”„ธ€ 000100111101000
NRZI 1010010000011010
  1. Find the state diagram by Mealy machine.
    b. Find the state table.
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