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Computer Practice Set for Data Entry Operator 3

11. Disadvantage of distributed database is.
(A). Unreliability
(B). Easy implementation
(C). Insecurity
(D). High communication cost


12. Which of the following transmission techniques let computer to alternatively send and receive data?
(A). Simplex
(B). Half duplex
(C). Full duplex
(D). Multiplexing


13. What is NOT a feature of networking?
(A). Reliability
(B). Greater storage space
(C). Connectivity
(D). All are features of networking


14. Taking back-up of a file against crash is a
(A). Preventive measure
(B). Curative measure
(C). Decisive measure
(D). None of these


15. A memory that is referred by its contents instead of physical address is called ________
(A). Associative memory
(B). Content addressable storage
(C). Both
(A). and
(B).
(D). None of these