Question Discussion & Solution

The correct answer is Monitor.

Key Points

• In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance.
• A 'keyboard' is a human interface device that is represented as a layout of buttons. 

Additional Information

Some input and output devices of computer:

• Input
  • Keyboard
  • Mouse
  • Scanner 
  • Cameras
  • Microphones
• Output 
  • Printer 
  • Monitor
  • Plotter

The correct answer is Insert > Illustration > Chart.

Key Points

• How to create Charts
  • To create a simple chart in PowerPoint, click insert> Chart and pick the chart you want.
  • Click the placeholder that you want to contain the chart.
  • On the Insert Tab, in the illustrations click the chart.
  • In the Insert Chart dialog box, click a chart and then click ok.

Additional Information

• MS PowerPoint
  • It is a presentation program used to present data and information by using text, diagrams with animation, images, and transitional effects in the form of slides.
  • It is developed by Robert Gaskins and Dennis Austin.

The correct answer is Ctrl + B.

Key Points

• Ctrl + B is the shortcut key to make the selected letters bold or unbold.
• Important Shortcut keys used in MS Word:
  • Cut the selected content to the Clipboard - Ctrl+X
  • Copy the selected content to the Clipboard - Ctrl+C
  • Paste the contents of the Clipboard -Ctrl+V
  • Increase the font size by 1 point.- Ctrl+]
  • Center the text - Ctrl+E.
  • Align the text to the left - Ctrl+L

The correct answer is option 3, i.e. Control unit, arithmetic-logic unit, primary storage​.

Key Points

• The Central Processing Unit (CPU), the principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit.
• It constitutes the physical heart of the entire computer system, it is linked to various peripheral equipment, including input/output devices and auxiliary storage units.
• In modern computers, the CPU is contained on an integrated circuit chip called a microprocessor.

Additional Information 

• The control unit part controls the input and output devices.
• Arithmetic-logic units do basic operations like addition, multiplication, and division. 
• A primary storage device is a medium that holds a memory for a short period of time while a computer is running.

The correct answer is F2.

Key Points

• F2 function key is used to edit the content of a cell in MS-Excel.
• To enter Edit mode, we can follow any of these steps:
  • Double-click the cell that contains the data that you want to edit.
  • Click the cell that contains the data that you want to edit, and then click anywhere in the formula bar.
  • Click the cell that contains the data that you want to edit, and then press F2.

Additional Information

Some important shortcuts used in MS Excel:

• Ctrl + N Create a new workbook.
• Ctrl + O Open an existing workbook.
• Ctrl + S Save the active workbook.
• F12 Save the active workbook under a new name, displays the Save as dialog box.
• Ctrl + W Close the active workbook.
• Ctrl + C Copy the contents of the selected cells to Clipboard.
• Ctrl + X Cut the contents of the selected cells to Clipboard.
• Ctrl + V Insert the contents of the Clipboard into the selected cell(s).