11796586
Descrição
Mapa Mental por Niamh Wyatt, atualizado more than 1 year ago
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Criado por Niamh Wyatt
mais de 6 anos atrás
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1.1 system architecture.
- Input/Output
- Used in: Mice, Keyboards, Disk drives.
they are used to allow an interface
between a hardware device.
- Used in: Mice, Keyboards, Disk drives.
they are used to allow an interface
between a hardware device.
- CPU
- Is used to fetch, decode and execute.
- Is used to fetch, decode and execute.
- Internal components
- Main memory
- Busses
- I/O controllers
- Busses
- Main memory
- Clock speed
- The faster the clock speed, the more
instructions that can be executed.
- The faster the clock speed, the more
instructions that can be executed.
- Processors
- The processors speed is measured in HERTZ (Hz)
- Each processor has a "core" in which instructions are
executed. Processors can be multi-core, Dual core, Quad core,
8 core. Each core executes instructions independently.
- The processors speed is measured in HERTZ (Hz)
- Cache
- Saves frequently
used data and helps
the system run
quicker.
- Cache holds commonly used instructions
- Cache holds commonly used instructions
- Saves frequently
used data and helps
the system run
quicker.
- Embedded systems
- A computer system that is made up of both Hardware AND Software which is often known as Firmware.
- Used for very specialised tasks.
- Used for very specialised tasks.
- A computer system that is made up of both Hardware AND Software which is often known as Firmware.
- Cores
- Quadrupling the number of cores
may quadruple the number of
instructions executed per second
- Quadrupling the number of cores
may quadruple the number of
instructions executed per second
- External components
- Keyboard
- AKA peripherals
- Mouse
- Mouse
- AKA peripherals
- Printer
- I/O ports/devices
- Keyboard
- Secondary Storage
- CD-R
- Floppy disk
- USB- Drive
- USB- Drive
- Floppy disk
- CD-R
- System buses
- Execute instructions
- Execute instructions
- Von Neumann architecture
- fetch execute and decode information and instructions.
- fetch execute and decode information and instructions.
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