A CPU contains
Verified Answer
A. A card reader and a printing device
B. An analytical engine and a control unit
C. A control unit and an arithmetic logic unit
D. An arithmetic logic unit and a card reader
E. None of these
Explanation:
The Central Processing Unit (CPU) is primarily composed of two main functional units: the Control Unit (CU) and the Arithmetic Logic Unit (ALU). Option (a) and (d) include external I/O devices. Option (b) refers to an obsolete mechanical computer. Option (c) correctly identifies the Control Unit (manages operations) and the Arithmetic Logic Unit (performs calculations and logic) as the core components of a CPU. Option (e) is incorrect.