A) Hard Disk B) Motherboard C) CPU (Central Processing Unit) Answer: C) CPU. What is the smallest unit of data in a computer? D) Kilobyte Answer: C) Bit.
✅ C) SUM()
Some key formulas and equations in computer science: $$T(n) = O(f(n))$$ $$P = \frac12 \times \textbase \times \textheight$$
Covers basic architecture, input/output devices, and historical milestones (e.g., Charles Babbage or Seymour Cray).
With the world connected online, networking questions are increasingly common.
Explanation: A scanner sends data into the computer. Monitors, printers, and speakers are output devices.
Answer: C) Linux
Here is a set of practice questions ranging from basic to intermediate levels.
This section deals with the programs that run the hardware.
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