Summary Choice of Hardware

 What is hardware?
o Printer
o Computer case
o CPY
o Keyboard
o Mother board
o Keyboard
o Smartphone
o Scanner
 Factors affecting the Choice of Components
o Make
o Hardware needed
o Purpose
o Memory Needed
o Other Hardware/Software needed to be compatible with
o Budget
 Hardware Performance factors
o Speed
o Cost
o Reliability
o Appearance
o Spares and repairs
o Upgrade
 Processor
o Role
 Circuitry and the movements of data
 Where data is stored
 Directing data
 Sending information to the screen
o Factors
 Speed
 Types of information it can process
 Reliability (overheat)
 Memory
 Size of cache-stored data
 Motherboard factors
o Compatible
o Scalability
o CPU and RAM can be used
 Power supply
o Factors
 Wattage is correct for system
 Hugh quality power supply
 PSU has correct connectors
o Internal
 DC (Direct Circuit)
 5 Volts or 12 Colts