Flashcards
LU2- System Software
Flashcards do conjunto (14)
- 1Operating System FunctionsControlling all hardware and software
Running application programmes
Providing a user interface - 2Process ManagmentEnough CPU time
Suitable resources
Efficiency - 3InterruptsA signals sent to the CPU requiring its attention
- 4Hardware InterruptsInterrupt Request Number = identifies where the interrupt comes from
- 5Virtual MemoryExtends the number of addresses the RAM has access to.
- 6Device DriversCommunicates with the peripherals device & translates between electrical signals and OS commands
- 7Plug and PlayAssigning an IRQ
*Switch off PC
*Plug in device
*Switch on PC - 8MultitaskingCPU switches very short bursts of processing time
- 9MultithreadingMore than one task in the same programme is being carried out.
- 10HyperthreadingDifferent threads in a programme sharing the use of one CPU.
- 11MultiprocessingHaving two or more CPUs
- 12Symmetric MultiprocessingTwo or more identical CPUs that are all treated equally.
- 13InterpretersReads each programme line
Converts it into machine code
Executes the machine code - 14CompilersThe code is transformed into an executable form before running.
Informações
- Descrição
- Grade 11 Information Technology FlashCards sobre LU2- System Software, criado por Andrea Blignaut em 04-06-2017.
- Criado por
- Andrea Blignaut · jun 2017
- Atualizado
- 4 jun 2017
- Visualizações
- 0
- Avaliação