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41. A magnetic storage device on which data is stored on a cylindrical drum, subdivided into tracks is known as

A. Punched card
B. Magnetic disk
C. Magnetic tape
D. Drum
E. None of the above

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42. The number of bits that are typically stored on each track of a magnetic disk is usually

A. the same
B. different
C. depending on the program to be stored
D. All of the above
E. None of the above

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43. The silicon chips used for data processing are called

A. RAM chips
B. ROM chips
C. Microprocessor
D. PROM chips
E. None of the above

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44. The code that should be adequate for present and anticipated data processing both for machine and human use is

A. Conciseness
B. Uniqueness
C. Operability
D. All of the above
E. None of the above

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45. What is the number of bit patterns provided by a 7-bit code?

A. 256
B. 128
C. 64
D. 512
E. None of the above

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