10719147
Beschreibung
Mindmap von Georgios Mikalef, aktualisiert more than 1 year ago
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Erstellt von Georgios Mikalef
vor etwa 7 Jahre
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1.2 Memory
- RAM
- Random Access
Memory
- Stores programs
and data in use
- volatile
- After RAM is full,
everything goes to
virtual memory
- Random Access
Memory
- ROM
- Non volative. When the computer is
turned the data isn't deleted and the
ROM stays on for the boot sequence
- Boot sequence
- POST
- 1) BIOS performs check
- Power On Self-Test
- 2) Check peripheral devices
- 3) When check is complete it
opens the operating system
- 1) BIOS performs check
- 1) ROM opens the boot sequence
- 2) The boot sequence sends a signal to the
hard disk and starts the operating system
- 3) It turns on your computer
- POST
- Boot sequence
- Non volative. When the computer is
turned the data isn't deleted and the
ROM stays on for the boot sequence
- Virtual Memory
- The RAM supports the computer to do
temporary tasks, but the virtual memory
supports the RAM. when its full things are
sent to the virtual memory
- Not as fast as RAM
- Volatile
- The RAM supports the computer to do
temporary tasks, but the virtual memory
supports the RAM. when its full things are
sent to the virtual memory
- Flash Memory
- Has no moving parts
(solid state media)
- Memory stick,
SSD, SD card
- Portable - Can take
it everywhere
- Compatible
- Cheap
- Expensive when more
storage is needed
- Break easily
- Has no moving parts
(solid state media)
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