This test is run by guest.
Note that your final mark will not be saved in the system.
Note that your final mark will not be saved in the system.
Systems architecture (1.1) MatchUp
Target Level
4-5
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’.
Clock
CIR (Current Instruction Register)
MDR (Memory Data Register)
Cache
CPU (Central Processing Unit)
CU (Control Unit)
Accumulator
Embedded System
Core
ALU (Arithmetic Logic Unit)
PC (Program Counter)
MAR (Memory Address Register)
A register that stores the memory locations that need to be read from or written to
A register that stores the data that has just been read from or needs to be written to the memory
A register that points to the memory location where the next instruction to be run is stored
A register that stores the result of the last calculation
Carries out mathematical and logical operations
Decodes instructions and controls data flow around the CPU and memory
An area of memory with fast access speeds, but limited storage capacity
Carries out all of the computer's processing and co-ordinates all of its components
A computer with a dedicated purpose that forms part of a larger device
Each of these can run processes in their own fetch-execute cycle, multiple of these can be used to increase the CPU's performance
Generates regular electrical pulses, where each pulse allows the computer to carry out a single operation
A register that holds the instruction that is currently being executed