Multiple choice general knowledge science & technology

A computer consists of

  1. A central processing unit

  2. A memory

  3. Input and output unit

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A complete computer system requires all three components: a Central Processing Unit (CPU) to execute instructions, memory to store data and programs temporarily, and Input/Output units to communicate with external devices and users. All components work together to function as a computer.

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