Processer (noun)
Someone who processes
Processor (noun)
A person or institution who processes things (foods, photos, applications, etc.).
“He is a loan processor with a bank.”
Processor (noun)
A device which processes, which changes something (a computer processor, food processor, etc.).
“The food processor shredded the vegetables.”
Processor (noun)
A central processing unit.
“This mainframe’s processor is fast.”
Processor (noun)
A microprocessor.
“This computer has two processors, but only one keyboard.””
Wiktionary
Processer (noun)
processor.
Processor (noun)
a machine that processes something
“the processor overexposed the film”
Processor (noun)
another term for central processing unit
Oxford Dictionary