Match the following with the most accurate description. No responses should be used more than once.

A virus differs from a worm in that a virus needs a program to be a ‘carrier’ in order for it to spread, but a worm does not.

We saw that DMA is a feature computers offer certain peripheral devices for the transfer of their data. Which of these controller devices would you expect uses DMA?

Host IP address + port number = __________ .

Files are stored on a hard disk as one contiguous stream of data in adjacent, connected sectors.

(3 x 7) Mod 2 =

A Unix-style data structure that describes a filesystem object is known as a(n) __________.

Under the ‘‘simple security’’ policy, users can read any file but only write to files of lower security/privilege level.

A patient is being treated by a therapist who specializes in using  proprioceptive neuromuscular diagonal (PNF) pattern facilitation strategies.  Of the following, which is the primary goal of this type of neurological rehabilitation?

(WCSP25) Shown below is the structure of a neurotransmitter that plays a role in the fight or flight response.  Question Answer How many sigma bonds are present? How many pi bonds are present? How many lone pairs are in the structure? What orbitals overlap to form the bond indicated by a? (Select n/a if only one set of orbitals overlap.) , What orbitals overlap to form the bond indicated by b? (Select n/a if only one set of orbitals overlap.) ,   Periodic Table