Whether you are a school student learning computer science for the first time or an adult preparing for a basic data entry interview, knowing fundamental computer concepts is essential.
The first electronic general-purpose computer was called ENIAC.
1 Gigabyte (GB) is equal to 1024 Megabytes (MB).
A keyboard typically has 104 keys.
Q1. Who is known as the father of the computer? Answer: Charles Babbage, an English mathematician, is considered the father of the computer for inventing the first mechanical computer (the Analytical Engine).
Q2. What is the 'Brain' of the computer? Answer: The CPU (Central Processing Unit) is the brain of the computer.
Q3. What is the difference between Hardware and Software? Answer: Hardware refers to the physical parts of a computer that you can touch (like the mouse, keyboard, monitor). Software refers to the invisible programs and instructions that tell the hardware what to do (like Windows OS, MS Word).
Q4. What is RAM? Answer: RAM (Random Access Memory) is the short-term memory of a computer. It temporarily stores data for programs that are currently running. It is erased when the computer is turned off.
Q5. Name two input and two output devices. Answer: Input: Keyboard, Mouse. Output: Monitor, Printer.
An OS is the main system software that manages all the hardware and software resources of the computer. Examples include Microsoft Windows, Apple macOS, and Linux.
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