An introduction to Computer Architecture Model.
What are the Critical Components of a Computer Architecture Model?
The critical hardware devices that comprises a computer architecture model are the output unit, the CPU, the cache, BUS Interface Unit, and the main memory. Importantly, all these devices connecting to one another through the I/O (local) bus, peripheral I/O Interface control unit, and system bus.
What Connects the Internal Hardware Components?
As such, every hardware component, such as the secondary memory ((like USD Drive, Hard Drive, Optical Drive), video monitor. Keyboard, communication network, or any input-output devices, connecting to an individual and localized control. Moreover, every hardware component connecting to a localized control through an IO bus, in turn, to the peripheral I/O Interface control unit, and system Bus, The System connects to the main memory and the CPU through the Bus Interface unit and the cache. Due to the systematic interconnection of all the devices, an entire communication system is made possible, enabling data flow.
What is the Data Flow Sequence from the Keyboard to the Monitor?
So, once the data enters the keyboard, the first thing is that the data flushes out and become part of the main memory. The data reaches the CPU from the main memory using the BUS interface unit. Then, the CPU, the central processing unit, will process the data. And the processed information returns with the system BUS to the respective output device. So, this is what the hardware units inside the basic computer architecture model look like.