46. The use of computers in data processing has had several impacts on business. Which of the following is not one of them?

A. easier business growth
B. fewer clerical workers
C. increased data-processing costs
D. more and better information
E. None of the above

47. Production machines were first controlled by the computer by means of

A. punched cards
B. punched paper tape
C. magnetic tape
D. magnetic cards
E. None of the above

48. Encryption is being used primarily with

A. file retention
B. transaction entry
C. computer processing
D. data communication
E. None of the above

49. Which of the following is(are) true of system analysts?

A. their responsibility is to analyze and design system software
B. they may be looked upon as an intermediary between users and programmers
C. they are heavily involved with the system development life cycle
D. both (a) and (c)
E. None of the above

50. From a data systems design viewpoint, the number of different types of general ledger entries is

A. six
B. three
C. four
D. one
E. None of the above