OCR Nationals IT Revision


OCR Cambrigde Nationals Revison Notes 

Section 1 Understanding how ict can be used to meet business needs 

Types of computing Devices 

  • Laptop
  • Pc Tablet 
  • Notebook 
  • smart phone 

Pros and Cons of the following Types of Computer Devices 

  • Laptop - watch dvds - limited power source -easliy transported -easliy stole or lost 
  • Pc Tablet-Can be used as GPS -Multi-touch screen-Weak capablity -doesnt have opitcal drives for CD and DVDs 
  • Notepad-Heavier than PC Tablet -easier transportation-bad software Secuirty-there more free apps
  • Smartphone-Good Commucation Tool-Easily distracred - varied storage

Input and output devices   

Input - Process - output 

Types of Input Devices 

  • Keyboard
  • Mouse 
  • Scanner
  • Microphone
  • Webcam 

The Different types of printers 

Dot Matrix 

A Dot Matrix printer uses pins to push the letter/symbol


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