Wipro Company Category

Subschema can be used to
(a) Create very different, personalised views of the same data
(b) Present information in different formats
(c) Hide sensitive information by omitting fields from the sub-schema's description
(d) All of the above

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Wipro Other Question

In which of the following page replacement policies, Balady's anomaly occurs?
(a) FIFO
(b) LRU
(c) LFU
(d) NRU
A 12 address lines maps to the memory of
a. 1k bytes
b. 0.5k bytes
c. 2k bytes
d. none