3765854
Descrição
Mapa Mental por James Elgey, atualizado more than 1 year ago
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Criado por James Elgey
mais de 8 anos atrás
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Hardware
- The Central Processing Unit
- Uses of CPU
- Brain of the Computer
- Handles all computer data
- Carries out 3 actions: Fetch-Decode-Execute
- Fetch
- Collects the data
- Collects the data
- Decode
- This is where the data that
was fetched is decoded
- This is where the data that
was fetched is decoded
- Execute
- This is where the action
commanded is performed
- This is where the action
commanded is performed
- Fetch
- Clock speed and cores
- Can complete
millions of
actions at once
- Determines how fast data is processed
- The more cores the faster data is processed
- Slow clock speed means data is
being processed slowly
- Slow clock speed means data is
being processed slowly
- The more cores the faster data is processed
- Measured in hertz (Hz)
- One Hz = 1 instruction each second
- One Hz = 1 instruction each second
- If you had a quad core processor
it would multiply the amount of
hertz by 4
- Kilohertz (KHz)
- Megahertz (MHz)
- Gigahertz (GHz)
- 1 billion cycles per
second
- 1 billion cycles per
second
- 1 million cylces per
second
- Gigahertz (GHz)
- 1000 cycles per
second
- Megahertz (MHz)
- Can complete
millions of
actions at once
- Cache
- Stores data that might need to
be used again
- Quicker than main memory
- Stores very little
- Stores data that might need to
be used again
- Brain of the Computer
- Uses of CPU
- Motherboard
Anexos de mídia
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