Multiple choice

The 3 functional elements of a digital computer are input device, output device and

  1. ALU

  2. Register unit

  3. CPU

  4. Control unit
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A digital computer is fundamentally composed of input devices, output devices, and the Central Processing Unit (CPU). The CPU itself contains the ALU and Control Unit, making it the primary third functional element.

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