CompTIA ITF+ Practice Test 2026 – All-in-One Resource for Complete Exam Success!

The acronym CPU stands for Central Processing Unit. This is the primary component of a computer that performs most of the processing inside the computer. The CPU carries out instructions from programs through basic arithmetic, logic, control, and input/output operations specified by the instructions.

The term “Central” indicates its vital role in managing tasks and processes within the computer system, emphasizing that it is the main processor responsible for executing commands and processing data. Additionally, "Processing Unit" refers to its function of processing information, executing commands, and managing hardware resources. Understanding this terminology is crucial for comprehending how computers operate and the role of the CPU in the architecture of computer systems.