Grade 11: LU2- Hardware

What does DDR stand for?

• Double Data Rate

• Dynamic Data Rate

• Service RAM

• Simple RAM

Latency is..........

• The time taken for a component to respond

• Time taken between instructions

• Time it takes to fetch instructions

• Time of clock pulses

Cache is located between CPU and RAM

• True

• False

Cache stores..........

• All instructions

• Future requests so that data can be accessed faster

• L3 memory

• RAM

(a)   cache is a very small amount of memory built-in with internal circuitry of the CPU chip. same speed as CPU internal speed

Multiprocessing is also called

• Threads

• Cores

• states

• cache

RAM handles opened programs

• True

• False

Registers store_____ instructions

• Current

• Previous

• Future

Parallel processing

• Simultaneously breaking up and running program instructions on multiple microprocessors

• is the same as hyperthreading

• processes millions instructions at the same time

Controls the execution of each instruction

• Control Unit

• Arithmetic Logic Unit