1. To avoid losing data, users should always ______ their files. 2. Formatted hard disks have…

1. To avoid losing data, users should always ______ their files.

2. Formatted hard disks have ___________ and _____________
that the system software uses to reference data locations.

3. The ________________ is often referred to as the “brain”
of a computer.

4. The electrical data roadways through which bits are transmitted
are called ________________ .