Disk Operating System (DOS) Question:
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The operating system creates ..... from the physical computer.

a. Virtual space
b. Virtual computers
c. Virtual device
d. None

Answer:

b. Virtual computers

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..... share characteristics with both hardware and software.

a. Operating system
b. Software
c. Data
d. None		Swapping:

a. Works best with many small partitions
b. Allows many programs to use memory simultaneously
c. Allows each program in turn to use the memory
d. Does not work with overlaying