Revision

Revision

1. Computer systems!!!

   • File!!! Anything you save. It could be a document, a piece of music, a collection of data or something else.
   • Folder/Sub-folder. A place to store files that are related, eg. all of the files relating to one project. Folders help to keep work organised. Sometimes called a directory A sub-folder is a folder inside another folder.
   • File Management. The organisation of files and folders using suitable names. they help with work and placed into folders.
   • Server. A computer that holds data to be shared with other computers. A web server stores and shares websites
   • Security. The protection of data or hardware from unauthorised users
   • Password. A group of characters used to verify the identity of a user
   • Alphanumeric. A mixture of letters and numbers
   • Secure Password. A mixture of numbers, letters and symbols at least 8 characters.Use of symbols.Not easy to guess
     • Example of a good password '35ft43ety55'
   • Non-secure Password. Name Also dictionary word.And it being not complicated.
     • Example of a bad password 'hi'

2. Computer Hardware

   • The physical parts
     • Eg. Graphics card
   • Input
     • Eg. mouse
     • It helps provide data for the computer
   • Output
     • Screen/Monitor
     • The results of data that have been processed and can go on the screen
   • Storage
     • Eg. USB stick
     • It is used to store data
   • Peripherals
     • Non-essential part of a computer such as a printer.
   • Memory
     • It stores data
   • Embeded
     • A system car engines use

3. Computational Thinking

   • Terminator Start and Finish of a flowchart.
     • Eg. of how it looks.
   • Decision
     • Eg. of how it looks
   • Process. It processes instructions.
     • Eg. of how it looks
   • Input and output.
     • Input. It gets received by the computer
     • Output. It gets sent by the computer
     • It looks like a parallelogram

4. Still to come