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Operating systems chapter 1
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1when an interrupt is sent from an IO D[blank_start]evice[blank_end] , the cpu first [blank_start]saves[blank_end] the current instrunction and register state ,
then goes to interrupt h[blank_start]andling[blank_end] code- Aevice
- Bsaves
- Candling
2the 2 ways the OS can handle interrupt are:
[blank_start]vector[blank_end]ed : which has a seperate handling code for each t[blank_start]ype[blank_end] of interrupt, and his thus faster.
pool : which has [blank_start]1[blank_end] generic code and is less code .- Avector
- Bype
- C1
3timesharing is when several [blank_start]processes[blank_end] share the [blank_start]cpu[blank_end] time.
the [blank_start]cpu[blank_end] switchs so frequently the user thinks both processes run at the sam e time.- Aprocesses
- Bcpu
- Ccpu
4when process uses a system call it goes into [blank_start]kernel[blank_end] mode which is signed by a [blank_start]hardware[blank_end] bit
- Akernel
- Bhardware
5device status table is a table manged by the [blank_start]operating system[blank_end] ,
where each entry is a IO request [blank_start]queue[blank_end] for a specific [blank_start]device[blank_end]- Aoperating system
- Bqueue
- Cdevice
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- Description
- Quiz on Operating systems chapter 1, created by Daniel Glickman on 30/07/2016.
- Author
- Daniel Glickman
- Language
- English
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