Networking concepts

Here many of the competitive examinations are giving easy questions only. We will provide you all the important questions and topic which may appear or may relate to the questions that are given in the examinations.

Input-Output devices

Don't take Input-Output devices as an easy concept there are so many devices that are not known by some people which are very important to banking technologies. Here we also provide you the information about the software and hardware instruments that are being used by many of the banks and their uses.

Input and Output devices refers to all the ways a computer communicates with users, Other machines(computers) and devices. They usually provide man-to-machine and machine-to-man communication. 

The input devices translate the data or instructions into machine understandable form. The most common method of entering data and instructions into a computer is through the keyboard.

The most common input devices are

1.keyboard

there are different types of keyboards. They are

• Alphanumeric keys
• Numeric keypad
• Function keys
• Cursor-movement keys
• Modifier keys

2.Mouse

3.Trackball

4.Touchpad 

5.Pen 

6.TouchScreen

7.Joystick

8.Scanner

9.Bar-code Reader

10.Microphone

11.PC video camera

12.Digital camera

The output devices present the results of computing operations to the user. The computer sends information to an output device in the binary form. Output devices translate the computer's output into a suitable form understandable to users, for example, characters, graphics and audio visuals.

The most common output devices are:

1.Printers

There are different types of printers. They are

• Dot Matrix Printer
• Line Printer
• Laser Printer
• InkJet Printer
• Snapshot Printers
• Thermal-wax printers
• Dye-sublimation Printers
• Fiery Printers
• IRIS Printers

2.Plotters

3.Monitors

4.Projectors

• LCD projectors
• DLP Projectors

5.Speakers

6.Headphones

Ms-office

Ms-Office is the easiest topic in computers section.So here we provide you all the tricks and short-cuts for all the Ms-Office applications.

 Here we will see about the most important topics of Ms-Office. They are
1) Ms-Word
2) Ms-Excel
3) Ms-PowerPoint
4) Ms-Access

1) Ms-Word:

Ms-word is a word processor developed by Microsoft. It was first released in 1983 under the name Multi-Tool Word. 

Microsoft Word's native file formats are denoted either by a .doc or .docx file extension.

 The famous Ms-word versions are word 95, word 97, word 2000, word 2002(Office XP), word 2003, word 2007, word 2010 and word 2013.

Here we will learn about Ms-word 2007.

How to start a word program:

1. Click on the start button

 

2.Click on All Programs  --> Microsoft Office --> Microsoft Office Word 2007

3. Then you will see a screen same as the image given below

Ms-Word 2007

Office button:
It is one of the important part of the screen used in file management containing menus like New, Open, Print etc.
Title bar:
Title bar is the top most part of the screen which contains quick access tool bar on the left, title of the document in the center and the sizing buttons on the extreme right of it.

Ribbon:

The Ribbon is designed to help you quickly find the commands that you need to complete a task. 

Rulers:

The rulers display horizontal and vertical scales that reflect the width and height of your typing area. The horizontal scale is invaluable when you want to quickly set tabs, margins, and indents. Select the View tab on the main word screen to be able to select/deselect the Ruler/Grid lines and other options.

Typing Area: 

The open area below the ribbon is writing or typing area. There are certain objects that are a permanent part of the typing area. These are: (a) Insertion Point, (b) Mouse Pointer

(a) Insertion Point: 

The black vertical blinking line is the cursor and place where it is blinking is insertion point that is initially at the top left side of the typing area i.e., at the begining of the document. It indicates the place where your typing is inserted into the document. As you type, the blinking line continuously moves along towards right.

(b) Mouse Pointer: 

When you move the mouse around in the typing area, the mouse pointer is in the shape of a thin Ibeam. As you move the mouse near the menu bar and toolbars, the mouse pointer becomes a pointing arrow.

Scrollbars 

The typing area is bordered on the right side by the vertical scroll bar with a scroll button and arrows. The single down arrow scrolls through the document line by line. The double down arrow allows

you to move to the top of the next page. The double up arrow allows you to move to the top of the previous page. The double down arrow allows you to move to the top of the next page. You can also drag the vertical scroll button up and down the scroll bar to move up and down through the document.

Status bar:

It is situated at the bottom of the screen and contains status of the document.