Explanation

• In MS Word, Header and Footer options are found in the Insert tab.
• Go to the Insert tab on the top ribbon.
• Look for the Header & Footer group.
• Click on Header or Footer to pick a design or create your own

Last updated 07-09-2026 by NA

Explanation

• A Cell is the intersection of a row and a column in a spreadsheet such as MS Excel.
• Each cell has a unique cell address, such as A1, B5, or C10.
• Rows are identified by numbers: 1, 2, 3, ...
• Columns are identified by letters: A, B, C, ...
• A cell can contain text, numbers, formulas, or functions.

Last verified on 09-08-2026

Explanation

• Shift + Enter inserts a manual line break in MS Word without starting a new paragraph.
• It moves the cursor to the next line while keeping the text within the same paragraph.

Additional information:

• Enter: Starts a new paragraph.
• Ctrl + Enter: Page break.

Last verified on 09-08-2026

Explanation

• GUI stands for Graphical User Interface.
• It is a type of user interface that allows users to interact with electronic devices using icons, windows, menus, and buttons instead of typing commands.
• The first GUI was developed at Xerox PARC in the early 1980s.

Additional information:

• CLI – Command Line Interface
• CUI – Character User Interface
• VUI – Voice User Interface
• NUI – Natural User Interface

Last verified on 03-07-2026

Explanation

• Mail Merge is used to merge data into a template document to create multiple personalized copies.
• It is a feature of MS Word used for bulk document creation.
• It combines a main document with a data source (like names or addresses).
• Each output document is customized automatically.
• Commonly used for letters, labels, and certificates.

Last verified on 20-06-2026

Explanation

• The Slide Show tab is used to display all slides during a PowerPoint presentation.
• It starts the presentation in full-screen mode.
• You can begin the slideshow from the first slide or the current slide.

• F5 starts the slideshow from the first slide.
• Shift + F5 starts the slideshow from the current slide.

Last verified on 09-08-2026

Explanation

• LAN is ideal for connecting computers in closely located buildings, such as within a campus or office block.
• LAN stands for Local Area Network.
• It offers high speed and cost-effective connectivity over short distances.

Last verified on 19-04-2026

Explanation

• Columns: Run vertically and are identified by letters (A, B, C … AA, AB).

Additional information:

• Rows: Run horizontally and are identified by numbers (1, 2, 3 …).
• Cells: Intersection of a row and column, e.g., A1.
• Fields: In database terminology, a column is often called a field.

Last verified on 09-08-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026

Explanation

• Shortcut key to switch to the next/open window is Alt + Tab.
• It allows you to quickly move between open applications or windows.
• Hold Alt and press Tab to select another open window.

Additional information:

• Windows + Tab → Open Task View.
• Alt + F4 → Close the active window.
• Windows + D → Show or hide the desktop.
• Alt + Esc → Switch between open windows in their opening order.

Last verified on 07-08-2026