46. 

In a punched card system, data is processed by a

A. keypunch machine, sorter, and posting machine
B. accounting machine, posting machine, and billing machine
C. sorter, posting machine, and billing machine
D. accounting machine, keypunch machine, and sorter
E. None of the above

47. 

A single bus structure is primarily found in

A. Main frames
B. Super computers
C. High performance machines
D. Mini-and micro-computers
E. None of the above

48. 

What is the highest address possible if 16 bits are used for each address?

A. 65536
B. 12868
C. 16556
D. 643897
E. None of the above

49. 

An integrated circuit is

A. a complicated circuit
B. an integrating device
C. much costlier than a single transistor
D. fabricated on a tiny silicon chip
E. None of the above

50. 

Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?

A. ROM
B. Magnetic disk
C. Core memory
D. Bubble memory
E. None of the above