• Input devices
• keyboard
• mouse
• pen
• tablets and touch screens
• a note on mouse
• wired - usb connection 
• wireless - usb connection 
• Bluetooth- doesn't take up a usb port
• optical and laser
• inpute devices
• video/web conferencing
• consumer based - Skype, facetime 
• commercial - web ex, go to meeting, zoom, adobe connect
• zoom - video conferencing
• snapchat
• team viewer - screen sharing
• webcams
• instillation - using drivers
• usb device installation rule
• always install the drivers ( software) first  and then connect and configure the device ex: webcam
• install drivers for complete features
• internet audio and video formats
• image: raw file format, compressed file format
• raw file : bmp
• compressed: jpg or gif
• audio: raw, compressed
• raw: wav : 44100 khz 
• when record set the sampling frequency then the sampling depth, then the channels
• compressed file: mp4
• ipad: compressed file  
• web: streaming file
• ipad and web run on mp4
• html 4
• html 5 - doesn't need flash
• scanner
• Images - cant edit the document  
• OCR - an editable word document
• switch - network printer
• mfp- multifunction printer - scans, fax, copy - prints
• software OCR
• biometric input - fingerprint, facial features, Iris, handwriting
• more printers
• network printer uses an IP address - all computers can print with this
• 4 different types of printers
• free software at adobe creative cloud
• inkjet - color, cheap initial price - long term expensive
• laser - initially expensive, long - term cheaper
• LCD-LED technology
• resolution
• refresh rate - response time
• color depth
• Dot pitch
• Contrast ration
• Brightness ( nit)
• Replace older CRT monitors  
• port connection _ display, dvi port, hdmi port, VGA,
• wi di - projecting the screen from a tablet by wireless communication onto a projector
• intel's technology 
• both the laptop and the projector must support widi
• other wireless screen projection
• USB based wireless projection - diamond
• streaming from the screen
• cloud printing 
•  printing on a printer over the internet
• university printing at CSULA
• email document to printer
• HP laser jet
• printer characteristics
• printing speed
• printing speed
• printer drivers
• checking for driver errors
• device manager
• an exclamation mark against a printer on the device manager would indicate that the printer may not be fully functional  
• virtual printers
• virtual pdf printers
• directing printer output to pdf,xml, and snagit printer  

System Components

• module contents
• describe the system units
• motherboard components
• processor
• memory
• expansion slots and cards
• Components of the system unit
• motherboard
• processor
• memory
• hard disk
• expansion bus - video cards
• minimum power is 500 watts
• ddr 2   
• ddr 3
• ddr 4
• things in the system unit
• motherboard mad of a processor,memory, ports, chip set,
• storage - hard drive, HDD, SSD
• power supply - 500 watts  
• other storage - DVD
• should have an I5 processor
• 8 gb of memory
• The motherboard - processor socket , expansion slots
• chip set
• drivers are essential
• DCI expansion slot: 32 bit or 64 bit
• System unit : SATA, DATA
• BIOS setup : a program code stored in your computer
• Only reason to update BIOS is to change the boot order of your drives
• NBT your whole operating stick can be operated on a stick
• Processor
• Intel
• Pentium Dual core
• Pentium Quad core
• i3,i5,i7 
• Atom
• AMD
• Nvidia
• ARM
• Qualcomm
• Motorola
• speed in Gb
• don't be carried away with speed
• to compare computers use the bench mark test
• cache capacity - very high speed capacity - L1, L2, L3
• threads - number of things it can do in power
• get more slots because you can always upgrade your memory
• HDD technology - moving parts
• SSD- no moving parts
• SATA -
• PATA -
• Graphics Card - AMD Radeon
• Processor Components - ALU, Registers, Control Unit , Cache
• CPU and Components 
• Front Side bus
• center of your computer is the memory
• processor
• input
• output
• permanent storage or hard drive
• Processor Specs
• Front side bus
•  bus width
• popular processor - Intel, AMD, Apple, IBM
• Intel - Windows
• use Unicode now
• memory functional types - volatile or nonvolatile

2 kinds of address

Latest IPV

IPV address

Gateway address IP Adress : IPV, IPV6, Domain, Mac Adress, Gateway
private and public
Microsoft sway
web 1.0- download, web2.0- upload and download
wifi is location based
wi max is 3g or 4g
business internet ramps - T1 and T3
Internet service provider - AOL
fully qualified domain name
calstatela.edu
Nanda
nanda.calstatela.com77

2 kinds of address

Latest IPV

IPV address

Gateway address IP Adress : IPV, IPV6, Domain, Mac Adress, Gateway
private and public
Microsoft sway
web 1.0- download, web2.0- upload and download
wifi is location based
wi max is 3g or 4g
business internet ramps - T1 and T3
Internet service provider - AOL
fully qualified domain name
calstatela.edu
Nanda
nanda.calstatela.com77

System Components

• module contents
• describe the system units
• motherboard components
• processor
• memory
• expansion slots and cards
• Components of the system unit
• motherboard
• processor
• memory
• hard disk
• expansion bus - video cards
• minimum power is 500 watts
• ddr 2   
• ddr 3
• ddr 4
• things in the system unit
• motherboard mad of a processor,memory, ports, chip set,
• storage - hard drive, HDD, SSD
• power supply - 500 watts  
• other storage - DVD
• should have an I5 processor
• 8 gb of memory
• The motherboard - processor socket , expansion slots
• chip set
• drivers are essential
• DCI expansion slot: 32 bit or 64 bit
• System unit : SATA, DATA
• BIOS setup : a program code stored in your computer
• Only reason to update BIOS is to change the boot order of your drives
• NBT your whole operating stick can be operated on a stick
• Processor
• Intel
• Pentium Dual core
• Pentium Quad core
• i3,i5,i7 
• Atom
• AMD
• Nvidia
• ARM
• Qualcomm
• Motorola
• speed in Gb
• don't be carried away with speed
• to compare computers use the bench mark test
• cache capacity - very high speed capacity - L1, L2, L3
• threads - number of things it can do in power

• symptoms of a virus
• OS running slow, stops intermitermittently or does not start
• less memory available
• corrupt files and programs
• programs do not operate properly
• unknown programs are activated
• mapping
• email attachments macros must be disabled
• clicking on websites
• flash drives
• cable router
• wireless router
• linxus
• netgear
•  tp link
• d link
• wireless access point
• is a switch
• is a firewall
• dstcp server
• software firewall - windows firewall
• antivirus
• malware protection
• security settings
• windows update
• security setting in internet explorer
• good practice
• email script and attachments
• document macros
• UAC is activated
• digital signature
• digital certificate
•  no more service packs its automatically done with windows updates
• Back - up
• forget password - boot disk using a usb drive
• image of your hard disk
• hardware firewalls
• used for blocking access to ports on computers behind a firewall
• hides the IP address behind a private IP address
• hardware firewall brands
• wireless routers from the following brands have built-in firewalls
• software firewall
• blocks access to ports on individual computers
• examples
• windows firewall
• access point
• two sides
• public side
• private side
• public IP - people can identify the IP
• forced execution
• some website would force the execution of scripts
• cookies
• cookies are stored on computers by websites
• Information stored in cookies are accessed by the website each time the site is visited
• cookies can be and possibly should be removed as soon as possible, if not, periodically
• types of cookies
• authentication cookies
• cookies store by websites
• third party tracking cookies
• Firefox examples
• Types of attacks
• botnets
• denial of service
• back doors
• spoofing - impersonating a website
• spamming
• firewalls
• hardwar firewalls
• Linksys firewall
• dlink wbr 1310
• spftware firewalls
• windows firewall example
• Authorizing Access
• password
• access auditing
• possessed object
• PINs
• biometric devices
• authentication
• one factor
• two factor
• three factor
• four factor
• IOT - Internet of things
• A digital signature is an encrypted code that a person, website, or organization attaches an electronic verification  
• Bit Locker - encryption of your hard drive
• you can also encrypt data on your flash drive - trucrypt
• If C drive is too full the system will slow down
• Veracrypt can be used to encrypt part of a drive
• when encrypted you will have 2 drives
• an e drive
• and an f drive