Which of the following classes cannot be extended?

```
a. class A { }
b. class A {   private A() {  }}
c. final class A { }
d. class A {   protected A() {  }}
```


c. final class A { }

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. A struct variable is declared differently from a predefined type such as an int. 2. Two different structure definitions may have the same member names. 3. A structure can only be passed to a function as a call-by-value parameter 4. A function may return a structure. 5. Different class may not have member functions with the same name.

Computer Science & Information Technology

Which is not a typical application of queues?

a) Routing packets in a computer network b) File server handling file access requests from many clients c) High-speed sorting d) Print spooling

Computer Science & Information Technology

The __________ criterion states that output bits j and k should change independently when any single input bit i is inverted for all i, j and k.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Which of the following encryption standards is part of the NSA's suite B cryptographic algorithms and is validated strong enough to protect classified data?

A. DES B. AES-256 C. Triple DES D. IDEA

Computer Science & Information Technology