λ©€ν‹° ν”„λ‘œμ„Έμ‹±, λ©€ν‹° ν”„λ‘œκ·Έλž˜λ°, λ©€ν‹° νƒœμŠ€ν‚Ή

2020. 6. 28. 16:27Β·πŸ“ Computer Science/✏ OS
CPU μ½”μ–΄μ˜ κ΄€μ μ—μ„œ μƒκ°ν•˜μ—¬ λΆ„λ₯˜ν•œλ‹€.

 

1. λ©€ν‹° ν”„λ‘œμ„Έμ‹±(Multi-processing)

  • CPU μ½”μ–΄ μ—¬λŸ¬ 개둜 μ—¬λŸ¬ 개의 ν”„λ‘œμ„ΈμŠ€λ₯Ό μˆ˜ν–‰ν•˜λŠ” 것
  • λ©€ν‹° μ“°λ ˆλ”©(Multi-threading): ν•˜λ‚˜μ˜ ν”„λ‘œμ„ΈμŠ€ 내에 μ—¬λŸ¬ 개의 μŠ€λ ˆλ“œκ°€ μ‘΄μž¬ν•˜μ—¬ λ³‘λ ¬μ μœΌλ‘œ μ²˜λ¦¬ν•˜λŠ” 것

λ©€ν‹° ν”„λ‘œμ„Έμ‹±

 

2. λ©€ν‹° ν”„λ‘œκ·Έλž˜λ°(Multi-programming)

CPU μ½”μ–΄ ν•˜λ‚˜λ‘œ μ—¬λŸ¬ 개의 ν”„λ‘œμ„ΈμŠ€λ₯Ό μˆ˜ν–‰ν•˜λŠ” κ²ƒμœΌλ‘œ ν”„λ‘œμ„Έμ„œ μžμ›μ΄ λ‚­λΉ„λ˜λŠ” 것을 μ΅œμ†Œν™”ν•˜κΈ° μœ„ν•¨μ΄λ‹€.

 

3. λ©€ν‹° νƒœμŠ€ν‚Ή(Multi-tasking)

  • λ‹€μˆ˜μ˜ Taskλ₯Ό 운영체제 μŠ€μΌ€μ€„λ§μ— μ˜ν•΄ λ²ˆκ°ˆμ•„ κ°€λ©΄μ„œ μˆ˜ν–‰ν•˜λŠ” κ²ƒμœΌλ‘œ μ΄λ•Œ TaskλŠ” ν”„λ‘œμ„ΈμŠ€λ³΄λ‹€ ν™•μž₯된 κ°œλ…μ΄λ‹€.
  • ν”„λ‘œμ„Έμ„œκ°€ 각각의 Taskλ₯Ό 자주 λ²ˆκ°ˆμ•„κ°€λ©΄μ„œ μ²˜λ¦¬ν•˜λŠ”λ° μ‚¬μš©μžμ—κ²ŒλŠ” 마치 λ™μ‹œμ— μ—¬λŸ¬ Taskκ°€ μˆ˜ν–‰λ˜λŠ” κ²ƒμ²˜λŸΌ 보인닀. e.g. μ‹œλΆ„ν•  μ‹œμŠ€ν…œ
μ €μž‘μžν‘œμ‹œ (μƒˆμ°½μ—΄λ¦Ό)
'πŸ“ Computer Science/✏ OS' μΉ΄ν…Œκ³ λ¦¬μ˜ λ‹€λ₯Έ κΈ€
  • 운영체제 정리
  • μΊμ‹œ λ©”λͺ¨λ¦¬(Cache Memory)
  • λ©”λͺ¨λ¦¬(κΈ°μ–΅μž₯치) 관리
  • κ΅μ°©μƒνƒœ(Deadlock)
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λ©€ν‹° ν”„λ‘œμ„Έμ‹±, λ©€ν‹° ν”„λ‘œκ·Έλž˜λ°, λ©€ν‹° νƒœμŠ€ν‚Ή
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ν‹°μŠ€ν† λ¦¬νˆ΄λ°”