GO! All In One 2/E By: Shelley Gaskin, Nancy Graviett, Debra Geoghan Chapter 6 Hardware Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.1

Objectives Explain the Function of the Central Processing Unit Identify the Parts of a System Unit and Motherboard Describe Important Input Devices and Their Uses Describe Important Output Devices and Their Uses Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.2

Objectives (cont.) Compare the Features of Various Printer Types Discuss Important Communication Devices Compare Storage Devices Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.3

Explain the Function of the Central Processing Unit Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.4 Hardware—physical components Processing—computer’s responsibility Input, output, storage—handled by peripheral devices

Explain the Function of the Central Processing Unit (cont.) Control unit Arithmetic logic unit Central processing unit Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.5

6 Explain the Function of the Central Processing Unit (cont.)

Clock speed—gigahertz, billions per second Multi-core processor—two or more processors on a single chip Graphics processing unit (GPU)— processor on video card Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.7 Explain the Function of the Central Processing Unit (cont.)

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.8 Explain the Function of the Central Processing Unit (cont.)

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.9 Explain the Function of the Central Processing Unit (cont.)

Identify the Parts of a System Unit and Motherboard Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.10

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.11 Identify the Parts of a System Unit and Motherboard (cont.)

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.12 Identify the Parts of a System Unit and Motherboard (cont.)

Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.13 Identify the Parts of a System Unit and Motherboard (cont.)

BIOS – Read-only memory – Nonvolatile CMOS – Volatile memory Memory – RAM Volatile DIMM SODIMM – Cache Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.14

Describe Important Input Devices and Their Uses Keyboard – QWERTY – Dvorak Simplified Keyboard – Modifier keys—Ctrl, Shift, Alt – Toggle keys—CapsLock, NumLock Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.15

Pointing devices – Mouse Optical mouse—LED – Touchpad – Touchscreen Stylus Resistive screen Capacitive screen Interactive whiteboard Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.16 Describe Important Input Devices and Their Uses (cont.)

Digital cameras – Point-and-shoot – LCD—liquid crystal display – CSCs—compact system cameras – DSLRs—digital single lens reflex cameras – Webcams – Digital video cameras Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.17 Describe Important Input Devices and Their Uses (cont.)

Scanners – Optical scanner – QR code—Quick Response code – RFID—radio frequency identification RFID scanner RFID tag – Magnetic strip reader – Biometric scanners – NFC—near field communication Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.18 Describe Important Input Devices and Their Uses (cont.)

Microphones Game controllers and joysticks Adaptive input devices Voice-recognition software Wearable tech Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.19 Describe Important Input Devices and Their Uses (cont.)

Describe Important Output Devices and Their Uses Monitors – Pixels – Resolution – Plasma screen monitors – OLED—organic light-emitting diode – AMOLED—active matrix OLED Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.20

Projectors – DLP—digital light-processing projector – LCD projector Adapters – Display adapter or video card – VRAM – DVI—Digital visual interface port – HDMI—high-definition multimedia interface port Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.21 Describe Important Output Devices and Their Uses (cont.)

Speakers Headphones Headset = headphones + microphone Sound card Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.22 Describe Important Output Devices and Their Uses (cont.)

Adaptive Output Devices: – Magnified screens – Speech synthesis screen reading software – Audio alerts – Closed captions – Visual notifications – Braille embosser Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.23 Describe Important Output Devices and Their Uses (cont.)

Electronic waste – e-waste – Cell phones, monitors, computers, other electronic devices eCycling – Recycling electronics Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.24

Compare Features of Various Printer Types – Inkjet – Laser – Photo – Thermal – Dye-sublimation – All-in-one – Three-dimensional Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.25 Printers

Discuss Important Communication Devices Network adapter Ethernet cards Wireless adapters Modem Cable modem Analog input and output devices Digital devices Fax device Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.26

Compare Storage Devices Optical discs – Forms: – Read-only (ROM) – Recordable (+R/-R) – Rewritable (+RW/-RW) – CD—compact disc – DVD—digital video disc, digital versatile disc – Blu-ray disc Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.27

Solid-state storage Flash memory Flash drives—connect via USB port Memory cards—use card reader – SD, CF, MS, xD Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.28 Compare Storage Devices (cont.)

Hard drives – Internal drives – External drives USB port Firewire port Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.29 Compare Storage Devices (cont.)

Summary The CPU is the brain of the computer The motherboard is a circuit board over which data travels and devices are connected to the computer Devices attached to a computer can be divided into their functional areas: input, output, and storage Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.30

Questions Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.31

Copyright Copyright © 2015 Pearson Education, Inc. Publishing as Prentice Hall.32 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.