IT revision.

IT revision.

1. pc components ( CPU, RAM, Hard disk, Drive ect)

2. input and output periphererals

   • input; mouse, keyboard , scanner ect.
   • output; printers, speakers, motors ect.

3. keeping data secured.

   • using passwords.
     • including lower case and uppercase letters. also numbers.

4. common file formats.

   • html
   • Jpeg
   • mp3/mp4
   • .dox
   • pdf
   • .pub

5. wired and wireless connections.

   • wireless internet access and connection.

6. little notes.

   • ssd- has no moving parts unlike the hard drive.
   • RAM- random access memory.
   • CPU- central processing unit, hardware within a computer to carry out tasks
   • utility software could help you speed up your computer speed.
   • Enter text here

7. businesss can you social websites

   • using social website
     • twitter
     • facebook
     • instagram
     • whisper
     • pinerest
     • tagged