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الكمبيوتر وتكنولوجيا المعلومات والاتصالات الدرس الثاني

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Buthainah Hamdy
Buthainah Hamdy

الكمبيوتر وتكنولوجيا المعلومات والاتصالات الدرس الثاني

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‫واﻻﺗﺼﺎﻻت‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫وﺗﻜﻨﻮﻟﻮﺟﯿﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫واﻻﺗﺼﺎﻻت‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫وﺗﻜﻨﻮﻟﻮﺟﯿﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫أﺳﺎﺳﯿﺎت‬ ‫اﻟﺜﺎﻧﻲ‬ ‫اﻟﺪرس‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫وﻟﻤﺴﮭﺎ‬ ‫ﻣﺸﺎھﺪﺗﮭﺎ‬ ‫ﯾﻤﻜﻦ‬ ‫اﻟﺘﻲ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻟﺠﮭﺎز‬ ‫اﻟﻔﻌﻠﯿﺔ‬ ‫اﻟﻤﻜﻮﻧﺎت‬ ‫ھﻲ‬ : ‫وﺗﺸﻤﻞ‬ System Unit ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬ : ‫ﻣﺜﻞ‬ ‫ﺑﮭﺎ‬ ‫ﻣﺘﺼﻞ‬ ‫ﻣﺎدي‬ ‫ﻣﻜﻮن‬ ‫واي‬ ‫اﻟﺦ‬ … ‫اﻟﻔﺄرة‬ - ‫اﻟﻤﻔﺎﺗﯿﺢ‬ ‫ﻟﻮﺣﺔ‬ - ‫اﻟﺸﺎﺷﺔ‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫اﻟﻤﺎدﯾﺔ‬ ‫اﻟﻤﻜﻮﻧﺎت‬ ‫إدﺧﺎل‬ ‫وﺣﺪات‬-1 Input Units ‫إﺧﺮاج‬ ‫وﺣﺪات‬-2 Output Units ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬-4 System Unit ‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬-3 Storage Unit
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫ﻟﻠﺠﮭﺎز‬ ‫اﻟﻤﺨﺘﻠﻔﺔ‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫إدﺧﺎل‬ ‫ﻋﻦ‬ ‫اﻟﻤﺴﺌﻮﻟﺔ‬ ‫اﻷﺟﮭﺰة‬ ‫ھﻲ‬ :‫اﻹدﺧﺎل‬ ‫وﺣﺪات‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وﺗﻨﻔﯿﺬھﺎ‬ ‫ﺑﻤﻌﺎﻟﺠﺘﮭﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻗﺎم‬ ‫اﻟﺘﻲ‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫واﺧﺮاج‬ ‫ﻋﺮض‬ ‫ﻋﻤﻠﯿﺎت‬ ‫ﻋﻦ‬ ‫اﻟﻤﺴﺌﻮﻟﺔ‬ ‫اﻷﺟﮭﺰة‬ ‫ھﻲ‬ : ‫اﻹﺧﺮاج‬ ‫وﺣﺪات‬ .‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﻟﺘﻌﻠﯿﻤﺎت‬ ‫وﻓﻘﺎ‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وھﻲ‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫اﺣﺘﯿﺎﺟﺎت‬ ‫وﻓﻖ‬ ‫وﻗﺖ‬ ‫أي‬ ‫ﻓﻲ‬ ‫اﺳﺘﺮﺟﺎﻋﮭﺎ‬ ‫وﯾﻤﻜﻦ‬ ‫واﻟﻤﻌﻠﻮﻣﺎت‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫ﻟﺘﺨﺰﯾﻦ‬ ‫ﺗﺴﺘﺨﺪم‬ :‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬ .‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺈﻧﻘﻄﺎع‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫ﻻ‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وھﻲ‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫اﺣﺘﯿﺎﺟﺎت‬ ‫وﻓﻖ‬ ‫وﻗﺖ‬ ‫أي‬ ‫ﻓﻲ‬ ‫اﺳﺘﺮﺟﺎﻋﮭﺎ‬ ‫وﯾﻤﻜﻦ‬ ‫واﻟﻤﻌﻠﻮﻣﺎت‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫ﻟﺘﺨﺰﯾﻦ‬ ‫ﺗﺴﺘﺨﺪم‬ :‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬ .‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺈﻧﻘﻄﺎع‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫ﻻ‬ :‫ﻣﻼﺣظﺔ‬ ‫اﻟﻠﻣس‬ ‫ﺷﺎﺷﺔ‬ ‫أو‬ touch screen :‫ﻣﺛل‬ ً‫ﺎ‬‫ﻣﻌ‬ ‫وادﺧﺎل‬ ‫اﺧراج‬ ‫وﺣدة‬ ‫ﻛــ‬ ‫اﺳﺗﺧداﻣﮭﺎ‬ ‫ﯾﻣﻛن‬ ‫اﻟوﺣدات‬ ‫ﺑﻌض‬ ‫ﺗوﺟد‬
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻟﺠﮭﺎز‬ ‫اﻷﺳﺎﺳﻲ‬ ‫اﻟﻤﺎدي‬ ‫اﻟﻤﻜﻮن‬ ‫ھﻰ‬ :"System Unit " ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬ System Unit ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﺬاﻛﺮة‬ Main memory ‫اﻟﻤﺮﻛﺰﯾﺔ‬ ‫اﻟﻤﻌﺎﻟﺠﺔ‬ ‫وﺣﺪة‬ Central processing Unit (CPU) ‫اﻻم‬ ‫اﻟﻠﻮﺣﺔ‬ Motherboard
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﺬاﻛﺮة‬ Main memory ‫اﻟﻌﺸﻮاﺋﻲ‬ ‫اﻟﻮﺻﻮل‬ ‫ذاﻛﺮة‬ Random Access Memory (RAM) ‫ﻟﻠﻘﺮاءة‬ ‫اﻟﻤﺨﺼﺼﺔ‬ ‫اﻟﺬاﻛﺮة‬ Read-Only Memory (ROM)
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫؟؟‬ ‫ﻟﻤﺎذا‬ ‫؟؟‬ ‫اﻟﻤﺆﻗﺘﮫ‬ ‫ﺑﺎﻟﺬاﻛﺮة‬ ‫ﺗﺴﻤﻲ‬ ،‫ﻋﻨﮭﺎ‬ ‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫إﻧﻘﻄﺎع‬ ‫ﻋﻨﺪ‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫أﻧﮭﺎ‬ ‫ﺣﯿﺚ‬ .‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﻣﻌﮫ‬ ‫ﯾﺘﻌﺎﻣﻞ‬ ‫اﻟﺬي‬ ‫اﻟﺠﺰء‬ ‫وھﻲ‬ ‫اﻟﻌﺸﻮاﺋﻲ‬ ‫اﻟﻮﺻﻮل‬ ‫ذاﻛﺮة‬ Random Access Memory (RAM)
: Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ،(BIOS)‫اﻟﺠﮭﺎز‬ ‫ﻟﺘﺸﻐﯿﻞ‬ ‫اﻟﻼزﻣﺔ‬ ‫اﻷﺳﺎﺳﯿﺔ‬ ‫اﻟﺒﺮاﻣﺞ‬ ‫ﻋﻠﻰ‬ ‫ﺗﺤﺘﻮي‬ ‫وھﻲ‬ ،‫اﻟﻤﻨﺘﺠﺔ‬ ‫اﻟﺸﺮﻛﺔ‬ ‫ﻗﺒﻞ‬ ‫ﻣﻦ‬ ‫ﻋﻠﯿﮭﺎ‬ ‫ﻣﺤﻔﻮظ‬ ‫وﻣﺤﺘﻮاھﺎ‬ ،‫اﻟﻌﺎدي‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﺑﻮاﺳﻄﺔ‬ ‫ﻋﻠﯿﮭﺎ‬ ‫اﻟﻜﺘﺎﺑﺔ‬ ‫ﯾﻤﻜﻦ‬ ‫وﻻ‬ ‫ﻣﻨﮭﺎ‬ ‫اﻟﻘﺮاءة‬ ‫ﯾﻤﻜﻦ‬ ‫ﻷﻧﮫ‬ ‫ﻓﻘﻂ‬ ‫اﻟﻘﺮاءة‬ ‫ﺑﺬاﻛﺮة‬ ‫وﺳﻤﯿﺖ‬ .‫داﺋﻤﺔ‬ ‫ﺑﺼﻔﺔ‬ ‫ﺑﻤﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﺤﺘﻔﻆ‬ ‫ﻓﮭﻲ‬ ‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺎﻧﻘﻄﺎع‬ ‫ﯾﺘﺄﺛﺮ‬ ‫ﻻ‬ ‫ﺛﺎﺑﺖ‬ ‫ﻣﺤﺘﻮاھﺎ‬ ‫أن‬ ‫ﺣﯿﺚ‬ ‫اﻟﺪاﺋﻤﺔ‬ ‫ﺑﺎﻟﺬاﻛﺮة‬ ‫اﯾﻀﺎ‬ ‫وﺗﺴﻤﻰ‬ ‫ﻟﻠﻘﺮاءة‬ ‫اﻟﻤﺨﺼﺼﺔ‬ ‫اﻟﺬاﻛﺮة‬ Read-Only Memory (ROM)

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الكمبيوتر وتكنولوجيا المعلومات والاتصالات الدرس الثاني

  • 1. ‫واﻻﺗﺼﺎﻻت‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫وﺗﻜﻨﻮﻟﻮﺟﯿﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫واﻻﺗﺼﺎﻻت‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫وﺗﻜﻨﻮﻟﻮﺟﯿﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫أﺳﺎﺳﯿﺎت‬ ‫اﻟﺜﺎﻧﻲ‬ ‫اﻟﺪرس‬
  • 2. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫وﻟﻤﺴﮭﺎ‬ ‫ﻣﺸﺎھﺪﺗﮭﺎ‬ ‫ﯾﻤﻜﻦ‬ ‫اﻟﺘﻲ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻟﺠﮭﺎز‬ ‫اﻟﻔﻌﻠﯿﺔ‬ ‫اﻟﻤﻜﻮﻧﺎت‬ ‫ھﻲ‬ : ‫وﺗﺸﻤﻞ‬ System Unit ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬ : ‫ﻣﺜﻞ‬ ‫ﺑﮭﺎ‬ ‫ﻣﺘﺼﻞ‬ ‫ﻣﺎدي‬ ‫ﻣﻜﻮن‬ ‫واي‬ ‫اﻟﺦ‬ … ‫اﻟﻔﺄرة‬ - ‫اﻟﻤﻔﺎﺗﯿﺢ‬ ‫ﻟﻮﺣﺔ‬ - ‫اﻟﺸﺎﺷﺔ‬
  • 3. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫اﻟﻤﺎدﯾﺔ‬ ‫اﻟﻤﻜﻮﻧﺎت‬ ‫إدﺧﺎل‬ ‫وﺣﺪات‬-1 Input Units ‫إﺧﺮاج‬ ‫وﺣﺪات‬-2 Output Units ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬-4 System Unit ‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬-3 Storage Unit
  • 4. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫ﻟﻠﺠﮭﺎز‬ ‫اﻟﻤﺨﺘﻠﻔﺔ‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫إدﺧﺎل‬ ‫ﻋﻦ‬ ‫اﻟﻤﺴﺌﻮﻟﺔ‬ ‫اﻷﺟﮭﺰة‬ ‫ھﻲ‬ :‫اﻹدﺧﺎل‬ ‫وﺣﺪات‬
  • 5. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وﺗﻨﻔﯿﺬھﺎ‬ ‫ﺑﻤﻌﺎﻟﺠﺘﮭﺎ‬ ‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻗﺎم‬ ‫اﻟﺘﻲ‬ ‫اﻟﻤﻌﻠﻮﻣﺎت‬ ‫واﺧﺮاج‬ ‫ﻋﺮض‬ ‫ﻋﻤﻠﯿﺎت‬ ‫ﻋﻦ‬ ‫اﻟﻤﺴﺌﻮﻟﺔ‬ ‫اﻷﺟﮭﺰة‬ ‫ھﻲ‬ : ‫اﻹﺧﺮاج‬ ‫وﺣﺪات‬ .‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﻟﺘﻌﻠﯿﻤﺎت‬ ‫وﻓﻘﺎ‬
  • 6. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وھﻲ‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫اﺣﺘﯿﺎﺟﺎت‬ ‫وﻓﻖ‬ ‫وﻗﺖ‬ ‫أي‬ ‫ﻓﻲ‬ ‫اﺳﺘﺮﺟﺎﻋﮭﺎ‬ ‫وﯾﻤﻜﻦ‬ ‫واﻟﻤﻌﻠﻮﻣﺎت‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫ﻟﺘﺨﺰﯾﻦ‬ ‫ﺗﺴﺘﺨﺪم‬ :‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬ .‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺈﻧﻘﻄﺎع‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫ﻻ‬
  • 7. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫وھﻲ‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫اﺣﺘﯿﺎﺟﺎت‬ ‫وﻓﻖ‬ ‫وﻗﺖ‬ ‫أي‬ ‫ﻓﻲ‬ ‫اﺳﺘﺮﺟﺎﻋﮭﺎ‬ ‫وﯾﻤﻜﻦ‬ ‫واﻟﻤﻌﻠﻮﻣﺎت‬ ‫اﻟﺒﯿﺎﻧﺎت‬ ‫ﻟﺘﺨﺰﯾﻦ‬ ‫ﺗﺴﺘﺨﺪم‬ :‫اﻟﺘﺨﺰﯾﻦ‬ ‫وﺳﺎﺋﻂ‬ .‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺈﻧﻘﻄﺎع‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫ﻻ‬ :‫ﻣﻼﺣظﺔ‬ ‫اﻟﻠﻣس‬ ‫ﺷﺎﺷﺔ‬ ‫أو‬ touch screen :‫ﻣﺛل‬ ً‫ﺎ‬‫ﻣﻌ‬ ‫وادﺧﺎل‬ ‫اﺧراج‬ ‫وﺣدة‬ ‫ﻛــ‬ ‫اﺳﺗﺧداﻣﮭﺎ‬ ‫ﯾﻣﻛن‬ ‫اﻟوﺣدات‬ ‫ﺑﻌض‬ ‫ﺗوﺟد‬
  • 8. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ .‫اﻟﻜﻤﺒﯿﻮﺗﺮ‬ ‫ﻟﺠﮭﺎز‬ ‫اﻷﺳﺎﺳﻲ‬ ‫اﻟﻤﺎدي‬ ‫اﻟﻤﻜﻮن‬ ‫ھﻰ‬ :"System Unit " ‫اﻟﻨﻈﺎم‬ ‫وﺣﺪة‬ System Unit ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﺬاﻛﺮة‬ Main memory ‫اﻟﻤﺮﻛﺰﯾﺔ‬ ‫اﻟﻤﻌﺎﻟﺠﺔ‬ ‫وﺣﺪة‬ Central processing Unit (CPU) ‫اﻻم‬ ‫اﻟﻠﻮﺣﺔ‬ Motherboard
  • 9. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫اﻟﺮﺋﯿﺴﯿﺔ‬ ‫اﻟﺬاﻛﺮة‬ Main memory ‫اﻟﻌﺸﻮاﺋﻲ‬ ‫اﻟﻮﺻﻮل‬ ‫ذاﻛﺮة‬ Random Access Memory (RAM) ‫ﻟﻠﻘﺮاءة‬ ‫اﻟﻤﺨﺼﺼﺔ‬ ‫اﻟﺬاﻛﺮة‬ Read-Only Memory (ROM)
  • 10. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ‫؟؟‬ ‫ﻟﻤﺎذا‬ ‫؟؟‬ ‫اﻟﻤﺆﻗﺘﮫ‬ ‫ﺑﺎﻟﺬاﻛﺮة‬ ‫ﺗﺴﻤﻲ‬ ،‫ﻋﻨﮭﺎ‬ ‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫إﻧﻘﻄﺎع‬ ‫ﻋﻨﺪ‬ ‫ﻣﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﻔﻘﺪ‬ ‫أﻧﮭﺎ‬ ‫ﺣﯿﺚ‬ .‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﻣﻌﮫ‬ ‫ﯾﺘﻌﺎﻣﻞ‬ ‫اﻟﺬي‬ ‫اﻟﺠﺰء‬ ‫وھﻲ‬ ‫اﻟﻌﺸﻮاﺋﻲ‬ ‫اﻟﻮﺻﻮل‬ ‫ذاﻛﺮة‬ Random Access Memory (RAM)
  • 11. : Hardware ‫اﻟﻣﺎدﯾﺔ‬ ‫اﻟﻣﻛوﻧﺎت‬ ،(BIOS)‫اﻟﺠﮭﺎز‬ ‫ﻟﺘﺸﻐﯿﻞ‬ ‫اﻟﻼزﻣﺔ‬ ‫اﻷﺳﺎﺳﯿﺔ‬ ‫اﻟﺒﺮاﻣﺞ‬ ‫ﻋﻠﻰ‬ ‫ﺗﺤﺘﻮي‬ ‫وھﻲ‬ ،‫اﻟﻤﻨﺘﺠﺔ‬ ‫اﻟﺸﺮﻛﺔ‬ ‫ﻗﺒﻞ‬ ‫ﻣﻦ‬ ‫ﻋﻠﯿﮭﺎ‬ ‫ﻣﺤﻔﻮظ‬ ‫وﻣﺤﺘﻮاھﺎ‬ ،‫اﻟﻌﺎدي‬ ‫اﻟﻤﺴﺘﺨﺪم‬ ‫ﺑﻮاﺳﻄﺔ‬ ‫ﻋﻠﯿﮭﺎ‬ ‫اﻟﻜﺘﺎﺑﺔ‬ ‫ﯾﻤﻜﻦ‬ ‫وﻻ‬ ‫ﻣﻨﮭﺎ‬ ‫اﻟﻘﺮاءة‬ ‫ﯾﻤﻜﻦ‬ ‫ﻷﻧﮫ‬ ‫ﻓﻘﻂ‬ ‫اﻟﻘﺮاءة‬ ‫ﺑﺬاﻛﺮة‬ ‫وﺳﻤﯿﺖ‬ .‫داﺋﻤﺔ‬ ‫ﺑﺼﻔﺔ‬ ‫ﺑﻤﺤﺘﻮﯾﺎﺗﮭﺎ‬ ‫ﺗﺤﺘﻔﻆ‬ ‫ﻓﮭﻲ‬ ‫اﻟﻜﮭﺮﺑﻲ‬ ‫اﻟﺘﯿﺎر‬ ‫ﺑﺎﻧﻘﻄﺎع‬ ‫ﯾﺘﺄﺛﺮ‬ ‫ﻻ‬ ‫ﺛﺎﺑﺖ‬ ‫ﻣﺤﺘﻮاھﺎ‬ ‫أن‬ ‫ﺣﯿﺚ‬ ‫اﻟﺪاﺋﻤﺔ‬ ‫ﺑﺎﻟﺬاﻛﺮة‬ ‫اﯾﻀﺎ‬ ‫وﺗﺴﻤﻰ‬ ‫ﻟﻠﻘﺮاءة‬ ‫اﻟﻤﺨﺼﺼﺔ‬ ‫اﻟﺬاﻛﺮة‬ Read-Only Memory (ROM)