1. CPU includes the arithmetic and logic unit that …
a) helps record all information on hard dics.
b) prevents a computer from being hacked.
c) carries out all calculations and logical operations.
2. RAM is the short-term memory of the computer and …
a) it is removable.
b) it is volatile.
c) it is permanent.
3. BIOSis a type of ROM that used by the computer …
a) to save necessary date when computer is turned off.
b) to protect computer when it is attacked by virus.
c) to establish basic communication when computer is turned on.
Read Part II of the text which tells you about the other useful components of the computer. Can you suppose what they are? Make the list and compare after reading.