Hardware

• Definition of Central Processing Unit (CPU) - Component in computer system that processes data and instructions.
• Definition of Microprocessor - Performs similar tasks to the CPU but on a smaller scale.
• Definition of Random Access Memory (RAM) - Component in CPU that holds data and programs that are currently being used.
• Definition of Memory Address Register (MAR) - Component in CPU that holds the address of the data or instruction located in the RAM.
• Name the type of busses:

  Address bus

  Data bus

  Control bus
• Memory Data Register (MDR) - Component in CPU that holds the data or instruction fetched from RAM.
• Definition of Arithmetic Logic Unit (ALU) - Component in CPU that performs mathematical and logical operations on data and instructions.
• Factors that affect the performance of CPU:

  Core

  Clock Speed

  Cache
• Definition of:

  Core - Contains components that are used to perform the fetch-decode-execute cycle.

  Clock Speed - Number of fetch-decode-execute cycles that can be performed in a second.

  Cache - Type of storage built into the CPU to store frequently used data and instructions