Which unit performs arithmetic and logic operations in a computer?

The arithmetic/logic unit (ALU) is the component within the computer that is specifically responsible for performing arithmetic operations (such as addition and subtraction) and logic operations (such as comparison and logical conjunction). The ALU takes input from the CPU, executes the specified operations, and then sends the results back for further processing.

This unit is essential for executing basic computational tasks and enables the CPU to carry out the instructions provided by software applications efficiently. Every mathematical calculation and logical decision made by the computer relies on the capabilities of the ALU, making it a fundamental part of the computer's architecture.

Other components, while integral to the overall function of a computer, do not perform these specific tasks. The control unit coordinates the activities of the CPU but does not engage in arithmetic or logical processing itself. The central processing unit, or CPU, encompasses the entire unit that houses both the control unit and the ALU. Wireless media is unrelated to the processing or arithmetic capabilities of a computer and deals instead with communication technology.