Objectives Define and give examples of hardware and software, and describe the difference between them Identify the main hardware components of a computer system Identify the need for an operating system, and describe various user interfaces associated with operating systems Identify different types of computer ranging from mainframes to PDAs

Hardware

Hardware – Internal Components

Hardware – Internal Components Assembled

Smartphone Hardware Components

Hardware Hardware refers to the physical parts of a computer. It refer to the components that you can see and touch. The hardware components of a computer can be divided into several types of device. Which theses types of device?

Types of Hardware devices Input devices-Used to put data into a computer Processor-Does something on the data entered as input. Output device-Used to display the results of processing Storage device-It keeps all the data and software that is used

The main components of a computer system Draw figure 1.5 on page 3 of your textbook.

Processor

The term processor refers to the Central Processing Unit(CPU). The microprocessor is a single integrated circuit that performs the functions of a CPU. Which household devices use microprocessors? What are the advantages and disadvantages? What is a graphics processing unit(GPU)?

GPU It is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images.electronic circuit They were designed to improve the display of graphics including 3-D images. Most gaming enthusiasts prefer faster GPUs.

Main or Internal Memory Write notes on internal memory and measuring the size of memory pg 4-5 Clearly differentiate between main memory, ROM and RAM.