The CPU runs everything, It's the brain of the whole computer. Usually, having a better/worse CPU will make your computer run faster or slower. Hope this helped!
The function of cpu is alu
A dedicated video card takes the processing away from the CPU, freeing up processor time for other activities.
The function of cpu is alu
write the function of cpu
North Bridge: CPU, Memory, GPU South Bridge: I/O devices, keyboard, mice, NIC card
It determines the speed at which the CPU operates.
In most designs, the CPU is located on motherboard, not on an expansion card.
graphic card
You probably have a graphic card installed and have the cable connected to the integrated card or vice versa.
The function of VRAM is to "store image data that the computer displays; it acts as a buffer between the CPU and the video card. When a picture is to be displayed on the screen, the image is first read by the processor and then written to the VRAM."
They tell the CPU where to find the data, when to read it, and what to do with it.
Many CPUs have what is known as a CPU cache. The function of this CPU cache is to speed up access to data.