Rabu, 28 Oktober 2015

Software



Perangkat Keras Komputer (Hardware)
A.  Komponen Hardware
ü  Central Processing Unit(CPU)
ü  Media Penyimpanan atau Memory
ü  Input Device (Peralatan Input)
ü  Output Device (Peralatan Output)
ü  Communication Device (Peralatan Komunikasi)


Ø  Central Processing Unit (CPU)
-  Komponen CPU :
- Control Unit
- Arithmatic Logic Unit  (ALU)
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Ø  Media Penyimpanan (Storage)
-          Primary Storage
v  RAM (Random Access Memory)
-          DRAM (Dynamic RAM)
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-          SRAM (Static RAM)
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-          EDORAM (Extended Data Out RAM ) 72 pin
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-          SDRAM 168 pin
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v  ROM (Read Only Memory)
-          PROM
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-          EPROM
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-          EEPROM
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-          Flash Memory
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-          Secondary Storage
• Magnetic Storage
• Magnetic tape
-          Magnetic Disk
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-          Hard Disk
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-          Floppy Disk (Diskette)
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-          Optical Storage
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v  Representasi data dalam memori : binary digit
v  Karakteristik Media Penyimpanan
·         Kecepatan
·         Volatility
·         Metode Akses
·         Serial Access
·         Random Access
·         Paralell Access
·         Portability
·         Capacity
v  Hirarki media penyimpanan memori berdasarkan karakteristiknya :
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v  Perbandingan Primary Storage dan Secondary Storage :
·         Temporary vs Permanent
·         Hanya dapat menyimpan data jika komputer nyala vs Dapat menyimpan data jika komputer mati
Ø  Input Device
·         Keyboard
·         Pointing Device
·         Mouse
·         Trackball
·         Joystick
·         Optical Reading Device (scanner)
- Barcode Reader
-Handprint Reader
-Image Scanner
Ø  Peralatan Output (Output Device)
·         Visual Display (Monitor)
·         Printer
·         Impact Printer
: dot matrix printer
·         Non Impact Printer
: inkjet printer
·         Plotters
·         Computer Output Microfilm (COM)
·         Audio Response Unit (ARU)

Ø  Peralatan Komunikasi (Communication Device)
·         Modem (Modulation Demodulation)
·         External vs Internal Modem
·         Smart Modem
·         Fax modem

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