Week 3 Introduction to Computers
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Introduction to Computers Nona Lagarto Faculty Member Computer Engineering Department Technological Institute of the Philippines – Quezon City
description
computers
Transcript of Week 3 Introduction to Computers
Introduction to Computers
Nona LagartoFaculty Member
Computer Engineering DepartmentTechnological Institute of the Philippines – Quezon City
Intended Learning Outcomes
• Differentiate among types, sizes, and functions of computers in each of these categories: personal computers (desktop), mobile computers and mobile devices, game consoles, servers, mainframes, supercomputers, and embedded computers
• Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computers
• Discuss the advantages and disadvantages that users experience when working with computers
Topic Outline
• Categories of Computers• Examples of Computer Usage• Advantages and Disadvantages of using Computers
Categories of Computers
• Personal computers• Mobile computers and mobile devices• Game consoles• Servers• Mainframes• Supercomputers• Embedded computers
Categories of Computers
A personal computer is a computer that can perform all of its input, processing, output, and storage activities by itself.
(Photo credit to the owner)
Categories of Computers
A mobile computer is a personal computer you can carry from place to place. Similarly, a mobile device is a computing device small enough to hold in your hand.
(Photo credit to the owner)
Categories of Computers
A game console is a mobile computing device designed for single-player or multi-player video games.
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Categories of Computers
A server controls access to the hardware, software, and other resources on a network and provides a centralized storage area for programs, data, and information.
(Photo credit to the owner)
Categories of Computers
A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.
(Photo credit to the owner)
Categories of Computers
A supercomputer is the fastest, most powerful computer – and the most expensive.
(Photo credit to the owner)
Categories of Computers
A embedded computer is a special-purpose computer that functions as a component in a larger product.
(Photo credit to the owner)
Categories of Computers: At a Glance
Category Physical Size
Number of Simultaneously Connected Users
Personal computers Fits on a desk Usually one (can be more if networked)
Mobile computers and mobile devices
Fits on your lap or in your hand
Usually one
Game consoles Small box or handheld device
One to several
Servers Small cabinet Two to thousandsMainframes Partial room to a full
room of equipmentHundreds to thousands
Supercomputers Full room of equipment
Hundreds to thousands
Embedded computers Miniature Usually one
Examples of Computer Usage
• Home user• Small office/home office (SOHO) user• Mobile user• Power user• Enterprise user
The Advantages and Disadvantages of Using Computers
Advantages• Speed• Reliability• Consistency• Storage• Communications
The Advantages and Disadvantages of Using Computers
Disadvantages• Health Risks• Violation of Privacy• Public Safety• Impact on Labor Force• Impact on Environment
Reference
Shelly, G. (2012). Discovering computers, your interactive to the digital world. Australia: Cengage Learning
