yes.
keyboard,mouse,cpu ,printer are connected properly or not will be checked during POST
CPU
what are cpu device
Yes, the CPU itself is a processing device, it is the "brain" of the computer. CPU = Central *Processing* Unit
CPU is not a peripheral device.
Ram, cpu, storage device, output device, input device, communication device
No. A CPU is hardware.
No, the CPU is the Central Processing Unit. A monitor or printer would be an example of an output device.
when an i/o device is ready to do the process with cpu and the cpu not is not know the status of.. trhe i/o device,then i/o device sends a request to service it
No. It is a CPU.
output device No The CPU and memory are located on the motherboard
the control unit in the cpu or the processor