1.1.2 Factors affecting CPU performance Flashcards
1
Q
clock speed
A
FDE cycles per second measured in Hz
2
Q
number of cores
A
number of duplicate processors linked together on a single chip
3
Q
cache size
A
super-fast working memory
4
Q
increase clock speed name
A
overclocking - means calculations can be performed faster as the CPU gets hotter it becomes dangerous
5
Q
cache does… (3 things)
A
- stores frequently used instructions/data
- speeds up access
- copies next few instructions to make faster
6
Q
duplicate processors on single chip
A
- tasks can be split between processed faster
- allows multitasking
7
Q
parallel processing
A
when same program can have 2 instructions processed at once
