MT1 Flashcards
What is the purpose of the hardware component: CPU
Execute the program’s instructions
What is the purpose of the hardware component: Memory
Store a program’s instructions and data
What is the purpose of the hardware component: I/O Devices
Allow the computer to communicate with and interact with the outside world
What is the purpose of the hardware component: Data Bus
Allows Data to be sent
What is the purpose of the hardware component: Address Bus
Allows addresses to be sent
What is the purpose of the hardware component: Control Bus
Allows control signals to be sent such as read or write
What is the purpose of the hardware component: Bus
Connects the components of the computer together so they can communicate
What are the 4 steps of the CPU Cycle
FDEW! Fetch Decode Execute Write
What is the CPU speed equation
Instructions/program * clock cycle/instruction * time/clock cycle
What do each of the follow components inside the CPU do: ALU
Executes the arithmetic and logic instructions
What do each of the follow components inside the CPU do: PC
Points to the current instruction being executed
Holds the Address instruction to be executed
What do each of the follow components inside the CPU do: Data Registers
small fast memory inside the CPU used to store the output of all ALU and as temporary space for variables being operated on
What do each of the follow components inside the CPU do: MAR
CPU’s connection to the memory address bus
What do each of the follow components inside the CPU do: MDR
CPU’s connection to the data bus
What do each of the follow components inside the CPU do: IR
Holds the current instruction being executed
