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Question 86Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

The three main components of a digital computer system are

  1. Amemory, I/O, DMA
  2. BALU, CPU, memory
  3. Cmemory, CPU, I/O
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (C) memory, CPU, I/O

Explanation

A digital computer has three main parts: the CPU for processing, memory for storage, and I/O devices for input and output. The ALU is part of the CPU, so option (B) is not right.

From BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 86 of BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.