Ed's Awesome CPU revision Flashcards
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How do Von Neuman and Harvard architecture differ
Von Neuman architecture uses seperate data and instruction memory
What cycle does the CPU carry out
Fetch, Decode, Execute
What is the function of the MAR
To store the addess in the memory about to be accessed
What is the function of the PC
To store the address in the memory to be FETCHED from next (increases by 1 each cycle)
What is the function of the MDR
To store fetched data and instructions once fetched
What is the function of the CIR
To store the copied instructions from the MDR for later use
(This is beacause the MDR is often reset in a cycle)
What is the function of the data bus
To transport data between components
What is the function of the address bus
To transport address’ between components
What is a CPU’s clock speed
The amount of FDE cycles a core of a CPU can complete per second
What is a CPU core?
A set of registers
What is a CPU’s clock speed
The amount of FDE cycles a core of a CPU can complete per second
What is a CPU core?
A set of registers, ALU and CU
How many KB in 1 MB
1x10^3
How many denary numbers can be stored in one 8-bit binary value
1
How
Yes
