The CPU, motherboard and RAM are ........ components of a computer hardware system. 

With respect to the basic PC keyboard, the ‘Break’ key is shared with the ........ key. 

3 A nibble is equal to bits.

CDMA stands for _____________.

Computer virus is: 

_____are the fastest and the most expensive computers. 

Excel files have a default extension of:

In which of these memory access schemes, separate Read / Write heads are required?