Lesson 1 Introduction to Computers

Post on 11-Dec-2015

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Types of computers

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Introduction to computer Prepared by:

Nour Elhouda Tabet

What is Computer?

A computer allows users to store and process information quickly and automatically.

What is Data?

Data Raw and meaningless

Example:

Name

Age

14

22-11-1988

What is Information?

Data + Data + Data ….. = Information

Information is a set of processed data

What is Information?

Information are meaningful Example:

Data Information

Name My name is Nour

Age My age is 25

22—11-1988 I was born on 22-11-1988

Types of Computers

1- Supercomputers

Example: Mainframe computers

Types of Computers

2- Personal computers or PC, is designed to be used by one person at a time.

Types of Personal Computer (PC)

1- Desktops laptops:

• Designed for use at a desk or table.

• They are typically larger and more powerful than other types of personal comp

Types of Personal Computer (PC)

2- Laptops

 

Types of Personal Computer (PC)

3- Notebooks / Tablets

Types of Personal Computer (PC)

4-Handheld computers

Exercise

In a new word document, create a table of 2 columns and 5 rows.

First column name it Types of PC and list the types of PC

Second column name it Data. and name four data that you know