Computer Science │ Computer Systems & IT Applications │ Free PDF Notes

Summary/Introduction


A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem.

An important class of computer operations on some computing platforms is the acceptance of input from human operators and the output of results formatted for human consumption.


The interface between the computer and the human operator is known as the user interface. Conventionally a computer consists of some form of memory, at least one element that carries out arithmetic and logic operations, and a sequencing and control unit that can change the order of operations based on the information that is stored. Peripheral devices allow information to be entered from an external source and allow the results of operations to be sent out.



Computer Science



This PDF Note Covers:

  1. Introduction and Evolution of Computer
  2. Input Devices
  3. Output Devices
  4. Storage Devices or Computer Memory
  5. Computer Architecture
  6. Operating System
  7. Computer Network
  8. Utility Software
  9. Information Technology (IT)
  10. Financial Information System
  11. Marketing Information System



File:- Computer Science │ Complete │ Management Notes





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