Explanation

Comments can be added to cells using Insert > Comment.

Right-click the cell and then click Insert Comment (or press Shift+F2).

Explanation

English mathematician and inventor Charles Babbage is often called the father of computers.

Because he introduced the basic ideas that nearly all modern computers rely on.

Babbage started designing an analytical engine in 1830, which could be programmed to perform calculations using punched cards. 

Explanation

1 byte equals 8 bits.

Additional Information

Explanation

The layout of a handout in PowerPoint is defined by the Handout Master.

It allows customization of the appearance and arrangement of slides in printed handouts.

Explanation

• A user interface that is easy to use is considered to be user friendly
• ...
• A GUI (user interface design guidelines) is considered to be more user-friendly than a text-based command-line interface.
• such as MS-DOS, or the shell of Unix-like operating systems.
• **
• The user interface (UI) is the point of human-computer interaction and communication in a device.
• The user interface (UI) includes display screens, keyboards, a mouse and the appearance of a desktop. 
  

Explanation

Explanation

The basic unit of a worksheet in Excel where data is entered is called a cell.

A cell is the intersection of a row and a column in a spreadsheet.

Each cell has a unique name or cell address, which is based on its column and row.

For example, the cell in column "C" and row "3" is cell C3.

Explanation

• The formula bar displays the content of the active cell in MS Excel.
  • The formula bar can be used to edit the content of any cell and can be expanded to show multiple lines for the same formula.

Additional Information 

• The name box in the worksheet displays the address of the selected cell.
• The title bar displays the title of the window and It includes the close, minimize, and maximize buttons.
• An active cell refers to a cell in an Excel spreadsheet that is currently selected by clicking the mouse pointer or keyboard keys.

Explanation

Explanation

We can use the format painter multiple times before we turn it off by double clicking the format painter button.