Processor is the heart of the Computer.
Processor is responsible for all Controls & Processes involved in Processing of Information.
the brain
what are cpu device
A celeron is a cpu, which makes it a processing 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
IRQ
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.
for sure, CPU for storage
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
Yes, MP3 players have CPUs. However, knowing the type of CPU is not relevant to most usage of the device, so it is usually not advertised / displayed anywhere. You would need to disassemble the MP3 player to find out what type of CPU it has (the CPU is often the largest chip).