First do the following Activities here in order to practice.
Activity 0: Tools and rooms
Activity 1: Hardware versus Software
Activity 2: Software 1
Activity 3: Software 2
Activity 4: Software 3
Activity 5: Hardware (types of computers 1)
Activity 6: Hardware (types of computers 2)
Activity 7: Hardware (storage devices 1)
Activity 8: Hardware (storage devices 2)
Activity 9: Hardware (peripherals 1)
Activity 10: Hardware (peripherals 2)
Activity 11: the Internet