- meta data - is the data bout the structure of your database
- pc bas is access
- Microsoft is oracale database
- relational database
- the entity-relationship
- entities (objects)
- students,classes etc.
- Relationships
- enrollment (student to classes)
- types of relationships
- 1 to 1
- 1to many
- many to many
Monday, October 31, 2016
Monday, October 24, 2016
what to know on the exam
- components of the system
- what does the ALU do
- know the components of the machine cycle
- components of the mother board
- operating systems on tablets
- unix operating system
- most powerful processor
- how to run multiple operating systems on apple
- different memories
- ddr 1 ddr2
- what is a bios
- what is a front side bus
- computer speed
- proccesors in smartphones
- coding systems
- how many bytes in a kilobyte
- what is esata
- what is a solid state drive
- what is papa
- sapa
- wind share devices
- speed of the processor
- number of cores
- optical care recognition
- examples of biometric devices
- what are some properties of a display
- how do you define color depth
- what is the different between inkject and laser
- digital cameras - what to look for
- consumer oriented video conferencing services
- video conferencing services should have voice and face tracking
- what can you do with a multi function printer
- what are the different file formats
- what is network attach storage
- what is meant by mapping a drive
- what is a storage are network
- what is the definition of a workbook
- how do you toggle between values and formulas
- how do you reference a cell value
- goal c
- how can you define document properties
- can cells be merged and centered
- what is flashville
- how to formati numbers in currency, accounting format
- what is floating format
- basic components
- sender
- receiver
- cabel modem connects to a computer with an rj-45 link
- there is also a thick coaxial cable
- there is multiple channels in one link
- you might be browsing or downloadingg but they are in 2 different sessions
- computer
- GET https://
- secure connection - VPN
- miracast secures wi di
- wi fi security is
- SSID - broadcast or don't broadcast
- the collaboration tool is called sharepoint
- office 365
- office
- onedrive
- share point
- office 365 as a collaboration platform
- LAN is a local area network which a network of computers
- you will connect a cable router to a wireless access point
- SC connects with a switch to a router
- P2P LAN- all client
- client server LAN is computers connected together connecting clients and servers
- internet peer to peer networks
- internet may also host a client server network
- video conferencing
- web ex
- adobe connect
- go to meeting
- zoom
- Skype for business
- consumer level conferencing
- Skype
- zoom
- facetime
- oovoo
- google hangout
- facebook live
- client server network
- how to connect computers together
- star network
- ring network
- bus network
- networking
- TCP/IP is the lifeline of your network
- Ethernet
- token ring
- Wi-Fi
- Bluetooth
- uwb
- IrDA
- RFID
- Wi MAX
- NFC
- connctions to the internet
- ISDN
- DSL
- Cable
- FTTP
- FTTH
- T1
- T3
- ATM
- OC3
- you have your home connected to the internet with a cable and fios and fiber
- organization this connects to the internet with OC# and ATM
- these are high speed connections
- ATM is the fastest connection to the internet
- file transfer program
- filezilla is an ftp client program
- you will have the router and the access point
- acces point is a
- switch
- firewall
- wireless router
- DHCP server
- RJ 45 port connects with an RJ 45 cable
- Ethernet is wired
- you have different types the best is fiber optics cables
- it sends more information and its faster
- 2 types of transmittion
- directional which is known as unidirectional
- the other is omnidirectional
- frequency spectrum
- band width is the frequency range for communication
- measured in mbps and gbps
- 1gbps
- Ethernet
- twist pair network
- broad band - high speed - multiple channels
- broadband - single channel
Monday, October 17, 2016
- device manager
- update driver
- disk management it will show you the disk
- system
- system
- system creates patricians to restore
- 100gb - windows 10 - drive d
- 100gb - windows 2010r2 - drive c
- data
- ntfs
- FAT32 - insecure, mostly on flash drives
- after you format you get a new logical drive which is the F drive
- viruses affect patricians where the programs are
- you can re install your applications and still have the data
- Internet Options - many times its done automatically
- security ( 3 zones)
- internet
- local ( intranet) - organizations network
- trusted sites - you will have access to those sites
- restricted sites - those sites can't communicate with you
Monday, October 10, 2016
Operating Systems
- software
- System - Makes computer work
- OS utilities
- Application - Extras ( word, excel etc.)
- Immediate application - GET
- Application development - Microsoft access
- Tools
- major database
- windows ( Microsoft 365)
- unix ( linux, AIX, Solaris, android)
- OS types
- windows 10, windows 8.1
- windows 10 ( homes, education, professional, enterprise)
- physical computer
- virtual server
- unix
- open source version available
- linux
- android
- virtual machines
- virtual box
- virtual PC
- dual boot
- multiple positions to run multiple windows operating systems, for example
- bootcamp
- usage share of operating systems
- booting the operating system
- cold boot
- warm boot ( ctrl, alt, delete)
- interacting with the computer
- GUI
- command prompt
- to get to the command prompt search cmd
- get ssd
- memory managment
- contact tasks
- buffering and pooling
- computer to printer
- can have multiple printing jobs
- if you cant stop printing it is in the printers memory
- device configuration
- plug and play ( put something in it automatically works)
- Hot-plugging (there are computers if one supply goes wrong it can be taken away without turning off the computer)
- windows update
- automatic update of windows
- installing a service pack
- exploring current version
- network operating system
- particians
- windows 10
- data
- windows 2012 server
- server operating systems
- mainfram operating systems
- supercomputers
- administration security
- administrator
- user
- creating and managing users
- password
- changing passwords
- your username is everywhere with Microsoft cloud
- you can give the user different privileges by going to properties
- you should create a fall black account with administrator privileges
- tablet operating systems
- android versions
- latest version is nuget
- windows 10 versions
- 32 bit
- 64 bit
- bellr
- windows 10 pro
Monday, October 3, 2016
- network storages
- network attached storage
- home and enterprise networks
- connect wing using different credentials
- my cloud
- when a computer is working very well make a restore point then make an image of patrician 1
- restore computer must be working
- re image computer need not boot
- SAN - storage area network
- fiber channel
- storage capacities
- k,m,g,t,p,e,z an y bytes
- windows
- FAT 32 NTFS
- Apple
- HFS+ - hierarchical File system
- defragmentation
- error checking
- this will check for errors and fix the errors
- hard disk - re drive head
- basic disk operation
- reading head
- bites per second through put
- disk management tools
- disk partition
- a hard disk can be partitioned for each partition to behave like a logical drive
- different operating systems can be installed on different partitions
- dual boot system
- hdd and ssd
- ssd
- hybrid drives
- sshd
- contains both ssd and a hdd
- raid storage
- redundant array of inexpensive
- NAS connects directly
- external removable drives
- usb drives and enclosures
- usb 2.0 and 3.0
- desktops
- PATA: older technology
- USB3.0
- speed
- usb high capacity
- usb 3.0 speed comparisons
- copy 300 4mb pictures/songs
- 12 gb 1080HD movie
- note on encryption
- tapes
- DVD
- DVD+
- cloud storage
- one drive
- google drive
- I cloud
- drop box
- sugar synch
- folder synchronization
- enterprise storage
- storage area network
- fiber channel - network of storage devices
- storage area network
- fiber channel
- tape drive
- DVD
- SSD
- SAS HDD
- Network of storage
- http://www.wdc.com/en/
- http://www.wdc.com/en/products/external/desktop/
- http://www.wdc.com/en/products/internal/desktop/
- http://www.wdc.com/en/products/products.aspx?id=1140
- http://www.wdc.com/wdproducts/library/?id=439&type=20&cn=4879-705142
- http://products.wdc.com/library/QIG/global/4879-705142.pdf

Subscribe to:
Comments (Atom)
