Frozenverse/notes
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Vault sync: 2022-01-26 14:19:31

Browse Source
This commit is contained in:
Nick Leeman 2022-01-26 14:19:31 +01:00
parent 0580f26359
commit b08b0f6a36
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
School/Analyse/Periode 2/Week 1.md
View File

@ -55,7 +55,16 @@ If computer has multiple CPUS, each task can be given a different CPU.
when program issues IO command, cpu is granted to the next program.
# Concurrent vs Parallel
Concurrent: Fast switching from a program to the next program (context switch) can create the illusion that they are being executed at the same time. -> Logically Simultaneous
**Concurrent**: Fast switching from a program to the next program (context switch) can create the illusion that they are being executed at the same time. -> **Logically Simultaneous**
**Parallel**: If the computer has multiple CPU's or Cores, the programs run in parallel. -> **Physically simultaneous**
# Sharing Resources
Sometimes diffrent programs (or same program) may share resources.
If data is **sequentially** accessible, programs should take turns accessing resource/data.
Fast shared resource access can create **concurrent** access.