Showing posts with label COMPUTER OVERVIEW. Show all posts
Showing posts with label COMPUTER OVERVIEW. Show all posts

Monday, 9 January 2017

COMPUTER IMPACT AND APPLICATION


 Positive impacts
 Negative impacts
  Application of computers

Positive impacts
  1. Positive effects on learning :-
Internet contains online dictionaries, encyclopedias, a wide variety of games and software's, education. Many online videos teach skills such as learning a language.

    Social Behavior:-
                Computers offer many opportunities to meet new people. There are many social networking sites that let people connect with others people can communicate in a variety of ways, date people and reconnect with old friends and classmates. The internet can help people find others with common interests, form bonds with strangers and expand their social network.

  Personal Life:-                                  

·         Genealogy                                                                                                                  
·         Reconnecting with friends
·         Easier/Faster communication
·         Catalog pictures
·         Games
·         Access to information                               

NEGATIVE IMPACTS:
Physical Health:-
 Short Term eye problems:  Burning, itching & tearing.
 Eyestrain & eye soreness especially for the video display users. 




Applications of Computer

 Desktop Publishing
— Marketing
— Project Management
— Medicine and Healthcare

Sunday, 1 January 2017

SOFTWARE PART OF COMPUTER

Software - A lot of instructions, stored digitally within the computer's memory, which tells the computer system what to do.
Software components of a computer system have no physical presence, they are stored in digital form within computer memory.
Software in Computer we can categorise into two parts ,the following are the parts of computers
click here to ready the Software parts of Computers

HARDWARE PARTS OF COMPUTER (input, outputs, processing, and storage)


Overview

  • The flow of data in an information system requires specific hardware for each phase
  • This includes hardware for input, output, processing and storage

Input Hardware

Input hardware exists in many different shapes and sizes, and are tailored specifically for particular systems. Below is a list of common input devices.
  • Keyboards
  • Touch screens
  • Pointing devices
    • Mouse
    • Touchpad / trackpad
    • Joystick

TYPES OF COMPUTERS



The computer sitting on the desk in your classroom is a microcomputer. It is a small, powerful piece of equipment. Even so, the power of the microcomputer is not enough for most large organizations. The computer industry consists of more than just microcomputers.
Any classification of computers is somewhat arbitrary. Computer can be classified it to following basis defined below.
·         On the basis of functionality
·         On the basis of Size, Speed and Cost.


ON THE BASIS OF FUNCTIONALITY:

According to functionality computer can be divided in to three types:
1.      Analog
2.      Digital
3.      Hybrid

 ON THE BASIS OF SIZE, SPEED AND COST:
       We can divide computers on the basis of size cost and speed as:
·         Super Computer
·         Mainframe Computer
·         Mini Computer
·         Micro Computer

HISTORY OF COMPUTER


A computer is a device that can be instructed to carry out an arbitrary set of arithmetic or logical operations automatically. The ability of computers to follow a sequence of operations, called a program, make computers very flexible and useful. Such computers are used as control systems for a very wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls, factory devices such as industrial robots and computer assisted design, but also in general purpose devices .
click here to show the History of computer

COMPUTER OVERVIEW


Computer is an advanced electronic device that takes raw data as input from the user and processes it under the control of set of instructions (called program), gives the result (output), and saves it for the future use.

Definition of computer
Computer is an electronic data processing device which
  • accepts and stores data input,
  • processes the data input, and
  • Generates the output in a required format.