Computer Fundamentals – Section 5

46. The following is true about 2-out of-5 code:

A. it is weighted code
B. it is unweighted code
C. it has odd parity
D. All of the above
E. None of the above

Correct Answer: B. it is unweighted code

47. The Josephson tunneling device illustrates principles associated with the advanced storage technique:

A. cryogenics
B. CCD
C. EBAM
D. holographing
E. None of the above

Correct Answer: A. cryogenics

48. Which of the following statements is true?

A. The installation of a computer is favorably received by all employees
B. Some form of training is necessary for employees who will work with computers
C. Computers are portrayed solely as society’s benefactor
D. A businessperson is only interested in the computer’s accuracy
E. None of the above

Correct Answer: B. Some form of training is necessary for employees who will work with computers

49. Communication between computers using standard telephone service

A. Requires a change to an analog signal
B. Is most efficient
C. Produces little noise and few disturbances
D. All of the above
E. None of the above

Correct Answer: A. Requires a change to an analog signal

50. A floppy disk contains

A. Circular tracks only
B. Sectors only
C. Both circular tracks and sector
D. All of the above
E. None of the above

Correct Answer: C. Both circular tracks and sector

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