Search This Blog

Wednesday, November 19, 2014

MEMORY STORAGE DEVICES

Memory Storage Devices

Memory Storage Devices

Are devices used to store data and instruction in the computer system. These are HDD, FDD and ROM. They are divided mainly into two types namely;

  1. Internal Primary Memory
  2. External Secondary Memory

INTERNAL PRIMARY MEMORY

Wednesday, November 12, 2014

COMPUTER INTRODUCTION


INTRODUCTION

INFORMATION

MEANING: Information is a processed fact or organized data whose meaning is clear and meaningful to us in a given context.
Example; Halima is a beautiful girl.
Source of information
This can be a place thing or a person where data can be collected
The sources of information are such as:
1.      Computer
2.      Magazine
3.      Radios
4.      Newspapers
5.      Posters
6.      Television
7.      Telephone
8.      Books
9.      Face to face talks

DATA
Are unprocessed facts or figures providing description of people places or things that may not have a clear meaning to us depending on there context.

EXAMPLE: Halima’s, age, 20, is, girl, a

RELATIONSHIP BETWEEN DATA AND INFORMATION
Information is derived from data.

IMPORTANCE OF INFORMATION
-It helps to be aware of dangers
-Social interactions
-It helps to make a decision
-It helps to solve problems
-It helps give us knowledge on particular issues

INFORMATION DISSEMINATION
Is the way of spreading and distributing information from one place to another.
The following are ways in which information can be disseminated:

TRADITIONAL WAYS
1.      Cave paintings
2.      Story telling
3.      Poems
4.      Whistle
5.      Face to face talk
6