1.7 PROCESSORS Flashcards
1
Q
WHAT IS A PROCESSOR?
A
A processor is made up of one or more CPUs.
2
Q
WHAT DO CPUs DO?
A
Carry out software instruction. Each CPU in a 1+ CPU device is referred to as a core.
3
Q
EXAMPLE OF MULTIPLE-CORE PROCESSOR?
A
A quad-core processor can do 4x more work than a single-core.
4
Q
WHAT IS PROCESSOR SPEED MEASURED IN?
A
Clock cycles per second.
5
Q
WHAT IS CLOCK CYCLES PER SECOND?
A
Number of times per second the processor carries out one or more instructions.
6
Q
WHAT ARE CLOCK CYCLES MEASURED IN?
A
Hertz - KILOHERTZ, MEGAHERTZ, GIGAHERTZ.
7
Q
WHAT IS A PROCESSOR CYCLE?
A
Process of fetching a program instruction from memory, decoding the action then executing it.
