Question Discussion & Solution

The correct answer is Light Pen.

Key Points 

• Light Pen -
  • It is an input device of the computer which serves to give commands to the computer.
  • It is also called an electronic pen.
  • It looks like an ordinary pen.
  • It is used as a mouse.

Additional Information 

• A wave of light emerges from the tip of this pen.
• With this point, the icon made on the screen is touched and clicked.
• This work is done in the same way that we click by moving the mouse pointer on the screen.
• The tip of the light pen acts in a way like the Enter / Ok button.​

The correct answer is number of pixels.

• The resolution of the monitor is measured by a number of pixels on the monitor.
  • Resolution is the capability of a sensor to observe the smallest object clearly.
• Pixel is the smallest unit of an image/display that a computer is capable of printing or displaying.
  • It is the basic logical unit in digital graphics.
  • A complete image or any visible thing on a computer display is formed by a combination of pixels.
  • The resolution depends upon the size of the pixel.
  • Images with smaller pixels will have a higher resolution.

As the total distance between A and G is equal to E and D i.e. 20 km. So BD = 20 – (10 + 1) = 9 Km.

Hence, the distance between B and D is 9 km 

The correct answer is option 4, i.e. ZIP.

Additional Information

The correct answer is Outline.

Key Points

• Outline View
  • ​The Outline view shows the different levels of headings as designated by the styles applied in your document.
  • Headings are like titles in your document that explain the section of text to follow.
  • Each heading in the Outline view is indicated by symbols.
• Bold, Italic and Underline font style in MS Word
  • These commands are given in the Font group in the Home tab. 
    • Bold:
      • It allows you to Bold the text of your document
    • Italic:
      • It allows you to Italicize the text of your document
    • Underline:
      • It allows you to underline the text of your document.

Additional Information

• The basic steps to change the font of a text in a document are given below;
  • Select the text you want to modify
  • Select the Home tab and locate the Font group
  • Click the drop-down arrow next to the font style box
  • Font style menu appears
  • With a left-click select the desired font style
  • If you want to change the font to bold or italic, click the 'B' or 'I' icons on the format bar.
  •