Which of the following PHP data types stores only true or false values?

a. Float
b. Array
c. Object
d. Boolean


d. Boolean

Computer Science & Information Technology

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For a non-empty linked list, select the code that should appear in a function that adds a node to the end of the list. newPtr is a pointer to the new node to be added and lastPtr is a pointer to the current last node. Each node contains a pointer nextPtr.

a. lastPtr->nextPtr = newPtr; lastPtr = newPtr b. lastPtr = newPtr; lastPtr->nextPtr = newPtr c. newPtr->nextPtr = lastPtr; lastPtr = newPtr d. lastPtr = newPtr; newPtr->nextPtr = lastPtr

Computer Science & Information Technology

Suggest why the savings in cost from reusing existing software are not simply proportional to the size of the components that are reused.

What will be an ideal response?

Computer Science & Information Technology

In order to help protect computer systems, installing Microsoft Office updates are not needed as long as you have firewall software installed

Indicate whether the statement is true or false

Computer Science & Information Technology

With which of the following devices may the administrator explicitly assigns an IP address manually by associating a client's hardware address with a specific IP address to be leased to that client?

A. dynamic address lease B. manual address lease C. IP gateway D. discovery broadcast

Computer Science & Information Technology