IT-unit one

IT-unit one

1. type of computer

   • mainframe computer
     • an computer which can processes huge amounts of data In one go however can only be used in one place
   • laptop
   • smartphone
   • desktop pc
   • netbook
     • a smaller computer with less capabilities
   • PDA/tablet

2. operating systems

   • CLI
     • the command line interface allows the user to enter instructions into the data base
   • OS
     • an operating system is a software that manages computer hardware and software resources
   • GUI
     • a graphical user interface is a type of interface which allows users to interact with electronic devices

3. components and memory

   • CPU
     • central processing unit
   • INPUT DEVICES
     • an device which inputs data into the computers hardware into the ram or the rom
   • output devices
     • an device which outputs data from the computers drive such as a computer

4. applications and software

   • emails
     • you can use an applications such as outlook to send emails to friends all over the world every where
   • spreadsheet
     • you can use applications such as excel to record data in a spreadsheets such as GCSE results for example
   • letter
     • you can use an applications like word processors to type letters and send them to your friends and family

5. audience needs

   • newsletter
     • for specific audience only
   • flyer
     • for a widespread audience over a large area
   • poster
     • used in only one area usually and is bigger than a flyer

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