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…