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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
Drag each of the top boxes to its matching pair. You must match all the pairs before clicking ‘Check’.
Cache
ALU (Arithmetic Logic Unit)
CIR (Current Instruction Register)
PC (Program Counter)
MAR (Memory Address Register)
MDR (Memory Data Register)
Accumulator
Core
Embedded System
Clock
CPU (Central Processing Unit)
CU (Control Unit)
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