Computers, CPU... Flashcards
What does CPU stand for?
Central Processing unit
What does the CPU consist of?
ALU, CU, and Registers
What does ALU stand for?
Arithmetic/Logic Unit
What does CU stand for?
Control Unit
What is the function of the CPU
To execute instructions from computer programs (manipulating data, performing calculations..)
What is the function of the ALU?
Performs mathematical operations (addition)
What’s the function of the CU?
To coordinate the activities of the CPU. It retrieves instruction from memory .
Interprets the instructions to understand what needs to be done
Directs the appropriate components to carry out the instruction.
What’s the function of Registers
Acts as a temporary storage for Data and instructions
What’s the function of the clock
Provides signals that synchronize all activities within the CPU.
CPU’S operate at a specific…
Frequency
what’s the unit for clock speed
Hertz(Hz)
What is the stored program concept
Data and instructions are stored as binary in the same memory.
Another function of the CU
Produces signals that coordinate the execution of instructions
