⚠️ Test Running in Guest Mode
Important: Your final mark will not be saved.
1. The CPU MatchUp
Target Level
C
Running Total
0
0%
Attempt
1 of 3
Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.
Architecture
Core
Memory address register
Accumulator
Control unit
Arithmetic logic unit
Cache
Current instruction register
Clock
Program counter
Memory data register
Address bus
Data bus
Control bus
Transmits memory locations
Determines which of two numbers is larger
Manages the flow of data
Typically increments between instructions
Having two or more of this allows for parallel processing
Stores the opcode currently being processed
Stores anything just retrieved from memory
Stores memory locations of data and instructions
Keeps a running total of numbers as they are added together
Von Neumann is one example
Faster than RAM, slower than a register
Synchronises events by way of pulses
Transmits commands to be followed by memory
Transmits program instructions