This PDF is a complete docket of important Computer awareness. which consists of all of the given topics:
- Hardware
- Software
- Database (introduction)
- Networking (LAN, WAN,)
- Internet (Concept, History, working environment, Application)
- MS Windows, MS Office
A computer is an electronic device that can be programmed to accept data (input), process it and generate results (output). A computer along with additional hardware and software together is called a computer system.
A computer system primarily comprises a central processing unit (CPU), memory, input/output devices and storage devices. All these components function together as a single unit to deliver the desired output.
A computer system comes in various forms and sizes. It can vary from a high-end server to a personal desktop, laptop, tablet computer, or smartphone. A computer system needs memory to store the data and instructions for processing. Whenever we talk about the ‘memory’ of a computer system, we usually talk about the
main or primary memory. The secondary memory (also called a storage device) is used to store data, instructions and results permanently for future use.
Study Notes:
Note: This Computer Digest is also very useful for the UP Assistant Teacher Exam 2022.
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