An autofocus camera mechanically adjusts the focal length by moving the lens in or out
Indicate whether the statement is true or false
TRUE
Computer Science & Information Technology
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A pair of (partial) database operations, p and q, are said to forward-commute if, in every database state in which both p and q are defined, the sequences p, q and q, p are both defined and, in both sequences, p and q return the same values and the final database state is the same.
a. Describe howforward commutativity can be used in the design of a deferred-update pessimistic concurrency control. b. Give a conflict table for such a control for the account object described in Figure 20.18.
Computer Science & Information Technology
Briefly describe each of the following: CATV, DSL, ISDN, FTTP, T-carrier, and ATM.
What will be an ideal response?
Computer Science & Information Technology