Select all that is true.

Grading policy is 'Right Minus Wrong Selections':

Points are evenly distributed across all answers. Learners earn partial points for each answer correctly selected and left blank. Learners lose points for answers incorrectly selected or left blank. Learners cannot receive less than $0$ points.

Question $4$ options:

Solid$-$state disks are considered volatile storage.

There is no universally accepted definition of an operating system.

Solid state disks are generally slower than magnetic disks.

All computer systems have some sort of user interaction.