The physical components of a computer system
Verified Answer
A. software
B. hardware
C. ALU
D. control unit
E. none of these
Explanation:
(B) Hardware refers to the physical, tangible components of a computer system. (A) Software is intangible instructions. (C) ALU (Arithmetic Logic Unit) and (D) Control Unit are specific components *within* the CPU, which itself is hardware. Thus, (B) hardware is correct.