Cores and Clock · Theory

Ch 2 · Inside the CPU — card 2 of 2.

• A core is a complete processing unit. A multi-core CPU has several, so it can genuinely run instructions in parallel.
• The clock ticks billions of times a second (measured in GHz); each tick paces the CPU's work. More ticks per second → more instructions per second.

Which part of the CPU actually performs additions and logical comparisons?