Consider the partially speci?ed B + tree in Figure 9.34.

a. Fill in the internal nodes without adding new keys.
b. Add the key bbb. Show how the tree changes.
c. Delete the key abc from the result of (b). Show how the tree changes.


a. ![14914|585x282](upload://tce6d6vo23imFnw4jHbE0krpw2y.png)
b. ![14915|512x294](upload://nL36PYn4xOpY4HYR4kVNNsKNsOO.png)
c. ![14916|593x280](upload://fS1IUNKqB1xIxzVWKzDE5bPPYfu.png)

Computer Science & Information Technology

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Programmers say that variables and constants declared within a method are ____ only after declaration within that method.

A. in line B. useable C. out of scope D. in scope

Computer Science & Information Technology

In WEP, the ____ is a cyclic redundancy check (CRC) value calculated with a checksum based on the contents of the text.

A. initialization vector (IV) B. pseudo-random number generator (PRNG) C. integrity check value (ICV) D. RC4

Computer Science & Information Technology

All of the following types of software can be installed on a personal computer EXCEPT: _____.

A. desktop apps B. Windows 8 apps C. mobile apps D. desktop operating systems

Computer Science & Information Technology

Looking up values in a table is often referred to as

a) loading a table b) sorting a table c) searching a table d) defining a table

Computer Science & Information Technology