To solve the problem of two users having the same password, some operating systems keep a third entry for each user in the password file, namely, ____ at which the user created the password.
A. the system
B. the approximate time
C. the system name
D. the exact time
Answer: D
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Each control element in which the user can enter information is called a(n) ____.
A. field B. index C. value D. area
Suppose class Child is derived from class Parent that was in turn derived from class GrandParent. When we declare an object of class Child, three constructors are called: i) Child, ii) Parent, iii )GrandParent.. What is the order?
a) Child, Parent, GrandParent b) Parent, GrandParent, Child c) GrandParent, Child, Parent d) GrandParent, Parent, Child e) GrandParent, Child, Parent
________ reduce the time it takes to run queries and reports
A) Indexes B) Ideas C) Suggestions D) Recommendations
The lines between the nodes of a tree are called ______.
a) branches b) edges c) arches d) subtrees