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16455787
computing revision mindmap
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Mind Map on computing revision mindmap, created by Harvey smith on 16/01/2019.
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key stage 3
Mind Map by
Harvey smith
, updated more than 1 year ago
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Harvey smith
over 5 years ago
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Resource summary
computing revision mindmap
cache
small amount of memory which is a part of the cpu
more cache = more data
Level 1 cache is usually part of the cpu chip itself and is the fastest to access
L2 and L3 are bigger than L1 they are extra caches built between the cpu and the RAM
cores
A cpu can contain one or more processing units.
Each core contains an ALU, control unit and registers
it is common for computers to have two cores (dual
it is also possible that they can have four (quad) or even more
the purpose of these cores are that they improve the power to run multiple programs
clock speed
indicates the speed at the Cpu can run at
is possible to overclock which increases the overall speed of the cpu
corresponds with how many instructions cycles the cpu can do within a second
I/o controllers
allows an interface between a hardware device external to the motherboard
examples are : mouse, keyboard, disk drive and vpu
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