AIO_2_PPT_788ab9299352dfaac4d9aef5d7ff4aaf

1.

GO! All in One Computer Concepts
and Applications
Fourth Edition
Chapter 2
Hardware
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

2.

Learning Objectives
• Explain the Function of the Central Processing Unit
• Identify the Parts of a System Unit and Motherboard
• Describe Input Devices and Their Uses
• Describe Output Devices and Their Uses
• Compare Printer Types
• Discuss Communication Devices
• Compare Storage Devices
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

3.

Explain the Function of the Central
Processing Unit (1 of 6)
• Hardware—physical components
• Processing—computer’s responsibility
• Input, output, storage—handled by peripheral
devices
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

4.

Explain the Function of the Central
Processing Unit (2 of 6)
Control unit + Arithmetic logic unit =
Central processing unit
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

5.

Explain the Function of the Central
Processing Unit (3 of 6)
Figure 2.2 The four steps of the instruction cycle.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

6.

Explain the Function of the Central
Processing Unit (4 of 6)
• 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 © 2020, 2017, 2014 Pearson All Rights Reserved

7.

Explain the Function of the Central
Processing Unit (5 of 6)
Figure 2.3 Multiple video cards connected together to mine bitcoin.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

8.

Explain the Function of the Central
Processing Unit (6 of 6)
Figure 2.4 Examples of cooling fans and heatsinks.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

9.

Identify the Parts of a System Unit and
Motherboard (1 of 6)
Figure 2.5 The system unit is the case that protects and encloses the computer components.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

10.

Identify the Parts of a System Unit and
Motherboard (2 of 6)
Figure 2.6 A motherboard has expansion slots, drive controllers, and memory slots.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

11.

Identify the Parts of a System Unit and
Motherboard (3 of 6)
Figure 2.8 A wireless adapter.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

12.

Identify the Parts of a System Unit and
Motherboard (4 of 6)
Figure 2.9 Some common motherboard ports.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

13.

Identify the Parts of a System Unit and
Motherboard (5 of 6)
• BIOS
–Read-only memory
–Nonvolatile
• CMOS
–Volatile memory
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

14.

Identify the Parts of a System Unit and
Motherboard (6 of 6)
• Memory
–RAM
▪Volatile
▪DIMM
▪SODIMM
–Cache
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

15.

Describe Input Devices and Their Uses
(1 of 5)
Keyboard
–QWERTY
–Dvorak Simplified Keyboard
–Modifier keys—Ctrl, Shift, Alt
–Toggle keys—CapsLock, NumLock
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

16.

Describe Input Devices and Their Uses
(2 of 5)
Pointing devices
–Mouse
▪Optical mouse—LED
–Touchpad
–Touchscreen
▪Stylus
▪Resistive screen
▪Capacitive screen
▪Interactive whiteboard
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

17.

Describe Input Devices and Their Uses
(3 of 5)
Digital cameras
–Point-and-shoot
–LCD—liquid crystal display
–Smartphone—Dynamic range, HDR
–DSLRs—digital single lens reflex cameras
–Webcams
–Digital video cameras
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

18.

Describe Input Devices and Their Uses
(4 of 5)
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 © 2020, 2017, 2014 Pearson All Rights Reserved

19.

Describe Input Devices and Their Uses
(5 of 5)
• Microphones
• Game controllers and joysticks
• Adaptive input devices
• Voice-recognition software
• Wearable tech
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

20.

Describe Output Devices and Their
Uses (1 of 5)
Monitors
–Pixels
–Resolution
–OLED—organic light-emitting diode
–AMOLED—active matrix OLED
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

21.

Describe Output Devices and Their
Uses (2 of 5)
• 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 © 2020, 2017, 2014 Pearson All Rights Reserved

22.

Describe Output Devices and Their
Uses (3 of 5)
Figure 2.19 A display adapter with HDMI, VGA,
and DVI ports.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

23.

Describe Output Devices and Their
Uses (4 of 5)
• Speakers
• Headphones
• Headset = headphones + microphone
• Sound card
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

24.

Describe Output Devices and Their
Uses (5 of 5)
Adaptive Output Devices:
–Magnified screens
–Speech synthesis screen reading software
–Audio alerts
–Closed captions
–Visual notifications
–Braille embosser
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

25.

Compare Printer Types
• Printers
–Inkjet
–Dye-sublimation
–Photo
–Thermal
–Laser
–All-in-one
–Three-dimensional
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

26.

Discuss Communication Devices (1 of 2)
• Network adapter
• Ethernet cards
• Wireless network adapters
• Modem
• Cable modem
• Analog input and output devices
• Digital devices
• Fax device
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

27.

Discuss Communication Devices (2 of 2)
Figure 2.24 A network cable connects to the Ethernet port on a notebook computer.
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

28.

Compare Storage Devices (1 of 3)
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 © 2020, 2017, 2014 Pearson All Rights Reserved

29.

Compare Storage Devices (2 of 3)
• Solid-state storage
• Flash memory
• Flash drives—connect via USB port
• Memory cards—use card reader
–SD, CF, MS, xD
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

30.

Compare Storage Devices (3 of 3)
Hard drives
–Internal drives
–External drives
▪USB connection
▪Firewire connection
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

31.

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 © 2020, 2017, 2014 Pearson All Rights Reserved

32.

Questions?
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved

33.

Copyright
Copyright © 2020, 2017, 2014 Pearson All Rights Reserved