Module Linux essentials - Module 10 help students understand computer hardware. This module include content: Viewing CPU information, system Information, peripheral devices, boot records, partition records.
Trang 1This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Module 10 Understanding Computer
Hardware
Trang 2This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Exam Objective 4.2 Understanding Computer
Hardware
Objective Summary
Trang 3This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Viewing CPU Information
Trang 4This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Processors
or processor) performs the decision and
calculations for the Operating System.
Trang 5This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Trang 6This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Viewing CPU Information
commands:
– arch
– lspcu
– cat /proc/cpuinfo
describes key CPU features.
Trang 7This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
System Information
Trang 8This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Motherboards and Buses
buses.
the hardware uses to communicate.
standard that defines the data structures of the communications.
Trang 9This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Motherboards and Buses (cont)
information:
Trang 10This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
RAM
program and system data is stored.
that is used when available RAM is low.
utilization:
Trang 11This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Peripheral Devices
Trang 12This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Peripheral Devices
called peripheral devices.
– Peripheral Component Interconnect (PCI)
– Universal Serial Bus (USB)
Trang 13This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
PCI Devices
Trang 14This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
USB Devices
added to the system while it is running.
Trang 15This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
HAL
system hardware.
information to other programs.
Trang 16This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Disk Devices
PCI or USB.
– Master Boot Record (MBR)
– GUID Partitioning Table (GPT)
Trang 17This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Boot Records
Trang 18This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
MBR
– fdisk
– cfdisk
– sfdisk
Trang 19This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
GPT
– gdisk
– cgdisk
– sgdisk
Trang 20This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Device Names
hd and are stored in the /dev directory.
names that start with sd.
is assigned the letter b, etc.
– First IDE drive: /dev/hda
– First SATA drive: /dev/sda
– Second IDE drive: /dev/hdb
Trang 21This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Partition Records
Trang 22This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Partition Names
etc.
– First partition of first IDE drive: /dev/hda1
– Second partition of second SATA drive: /dev/sdb2
Trang 23This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
View Partition Information
used to view partition information:
Trang 24This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses
©Copyright Network Development Group 2013
Video Display Devices
specific video cards.
– Video Graphics Array (VGA)
– Digital Visual Interface (DVI)