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Basic Concepts Of Information Technology (It)

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Dr. Dheeraj Mehrotra (National Awardee)
Dr. Dheeraj Mehrotra (National Awardee)

The document provides an overview of basic concepts in information technology, including definitions of information and computers. It describes how computers accept data as input, process it, and produce information as output. The main components of a computer system - hardware, software, and human users - are also summarized. Key hardware components like the central processing unit, memory, storage, and input/output devices are defined. The document also provides a brief introduction to operating systems and applications software.

Technology
1 of 27
Basic Concepts Of Information Technology (IT) Dheeraj Mehrotra www.computerscienceexpertise.com
The Basics – What is Information? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Information - ,[object Object]
What Is A Computer? ,[object Object],[object Object]
What do we mean by general purpose? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computers Are Programmable ,[object Object],[object Object],[object Object]
How computers process information ,[object Object],[object Object],[object Object],[object Object],[object Object]
Processing - the ‘Black Box’ model ,[object Object],3+5 input process output 8
Components of a Computer System ,[object Object],[object Object],[object Object],[object Object]
Types Of Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computer Organisation – the Von Neumann model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computer Hardware components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardware – The System Unit ,[object Object],[object Object],[object Object],[object Object],[object Object]
The Processor (CPU) ,[object Object],[object Object],[object Object]
Memory ,[object Object],[object Object],[object Object],[object Object]
Random Access Memory (RAM) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Storage - Hard Disk ,[object Object],[object Object],[object Object]
Other types of Storage ,[object Object],[object Object],[object Object],[object Object]
Input Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Output Devices ,[object Object],[object Object],[object Object],[object Object],[object Object]
Software ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
System Software ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Applications Software ,[object Object],[object Object],[object Object],[object Object],[object Object]
How Software is made ,[object Object],[object Object],[object Object]
Problems with Software ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Graphical User Interface (GUI) ,[object Object],[object Object],[object Object],[object Object]
Do’s and Don’t’s ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Basic Concepts Of Information Technology (It)

  • 1. Basic Concepts Of Information Technology (IT) Dheeraj Mehrotra www.computerscienceexpertise.com
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