As with a computer, a router or switch cannot function without an operating system. Cisco calls its operating system the Cisco Internetwork Operating System or Cisco IOS. The Cisco IOS provides the following network services: Basic routing and switching functions Reliable and secure access to networked resources Network scalability

 31 p cit 03/05/2013 77 1 Download

When computers are connected to a physical medium, there must be a way they can grab the attention of other computers to broadcast the message, "Here comes a frame!" Various technologies have different ways of doing this process, but all frames, regardless of technology, have a beginning signaling sequence of bytes. 10101010…….10101010 Depending up frame format: Preamble = 7 bytes, Start or Start of Frame Delimiter (SFD) = 1 byte 10101011.

 40 p cit 03/05/2013 63 2 Download

The identifier used in the IP layer of the TCP/IP protocol suite to identify each device connected to the Internet is called the Internet address or IP address. An IP address is a 32-bit address that uniquely and universally defines the connection of a host or a router to the Internet. IP addresses are unique. They are unique in the sense that each address defines one, and only one, connection to the Internet. Two devices on the Internet can...

 120 p cit 03/05/2013 87 2 Download

Create a structure Declare a structure variable Pass a structure variable to a procedure Create and manipulate a one-dimensional array of structures Structure statement Enables you to create your own data types Typically appears in the form’s Declaration section Structure (user-defined data type) Term for data type created with Structure statement Members Variables, constants, or procedures within structure

 33 p cit 17/04/2013 78 1 Download

Include a nested selection structure in pseudocode and in a flowchart Code a nested selection structure Desk-check an algorithm Recognize common logic errors in selection structures Code an If/ElseIf/Else selection structure Include a Case selection structure in pseudocode and in a flowchart Code a Case selection structure Write code that uses the Is, TypeOf…Is, and Like comparison operators

 33 p cit 17/04/2013 100 1 Download

Write pseudocode for the selection structure Create a flowchart to help you plan an application’s code Write an If...Then...Else statement Write code that uses comparison operators and logical operators Write pseudocode for the selection structure Create a flowchart to help you plan an application’s code Write an If...Then...Else statement Write code that uses comparison operators and logical operators

 50 p cit 17/04/2013 97 1 Download

Declare variables and named constants Assign data to an existing variable Convert string data to a numeric data type using the TryParse method Convert numeric data to a different data type using the Convert class methods Explain the scope and lifetime of variables and named constants Explain the purpose of the Option Explicit and Option Strict statements

 33 p cit 17/04/2013 101 1 Download

Plan an OO application in Visual Basic 2005 Complete a TOE (Task, Object, Event) chart Follow the Windows standards regarding the layout and labeling of controls Emphasis is on how to accomplish a task Flowchart Document representing program logic Standardized symbols show problem-solving steps Pseudocode English phrases describing the required steps It is harder to write a complex application using procedure oriented approach

 32 p cit 17/04/2013 103 1 Download

Start and customize Visual Studio 2005 or Visual Basic 2005 Express Edition Create a Visual Basic 2005 Windows-based application Manage the windows in the IDE Set the properties of an object Restore a property to its default setting

 25 p cit 17/04/2013 114 1 Download

Insert the Data Disk in drive A Start Visual Basic .NET. When the Start Page appears, click the Open Project button Double-click the Chapter8 folder on the Data Disk Double-click the Today’s Sales Check folder. If necessary, click the Today’s Sales Check solution file Click the Open button

 50 p cit 17/04/2013 90 1 Download

Add a StatusBar control by dragging the StatusBar button from the Toolbox window to the bottom of the Form1 form Add one PictureBox, one GroupBox, four RadioButtons inside the GroupBox, and two Buttons Add a ContextMenu control Add a FontDialog control Set the control properties as they appear in table 7-4 on pages VB 7.19 – VB 7.21

 50 p cit 17/04/2013 85 1 Download

Start Visual Basic .NET and click the New Project button on the Start Page Click Create directory for Solution, and double-click the text, WindowsApplication1, in the Name box. Type Automobile Loan Calculator in the Name box Click the Browse button. If necessary, click 3½ Floppy (A:) in the Look in box, click Chapter4, and then click Open Click the OK button

 45 p cit 17/04/2013 85 1 Download