41. A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?

A. microfilm
B. microfiche
C. film card
D. COM
E. None of the above

42. The desirable characteristic(s) of a memory system is (are)

A. speed and reliability
B. low power consumption
C. durability and compactness
D. All of the above
E. None of the above

43. The CPU chip used in a computer is partially made out of:

A. Copper
B. Iron
C. Gold and silver
D. Silica
E. None of the above

44. What type of magnetic material is normally used in bubble memories?

A. Magnetic core
B. Cobalt
C. Garnet
D. Metallic
E. None of the above

45. A byte is comprised of:

A. One bit
B. Four bits
C. Eight bits
D. Sixteen bits
E. None of the above