CPU Flashcards
What does the Control Unit do?
The Control Unit performs tasks that it collects one at a time from the main memory.
What is the ALU?
ALU stands for Arithmetic Logic Unit. This does all the mathematical work.
What are the Registers?
The processor has individual storage spaces called Registers to store items of data temporarily.
What is RAM?
RAM stands for Random Access Memory, it loses its contents when the power supply is turned off. It can be read from and written to.
What is ROM?
ROM stands for Read-Only Memory. I cannot be written to, only read from. When the power supply is turned off it keeps its contents.
What does CPU stand for?
Central Processing Unit.
What are the three parts of the processor?
Control Unit, ALU (Arithmetic Logic Unit) and Registers.
What are the two parts of the Main Memory?
RAM (Random Access Memory) and ROM (Read Only Memory)
What is an Address Bus?
An address bus determines the location in memory that the processor will read data from or write data to.
What is a Data Bus?
A data bus contains the contents that have been read from the memory location or are to be written into the memory location.
What is a Control Bus?
A control bus manages the information flow between components indicating whether the operation is a read or a write and ensuring that the operation happens at the right time
What does a Computer Structure Diagram look like?
What is an interface, and why is it needed?
There are two meanings for the word interface, one being the way that the user and the computer interact, often called the user interface. The other definition is the way different parts of the computer communicate.
Therefor an interface is needed so that the parts of a computer can work together or so that the user can communicate with the computer.
