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

• Slide Sorter View main purpose is to rearrange, move, copy, delete, or organize slides easily.
• Its in PowerPoint displays all slides as small thumbnails on one screen.
• It is especially useful for checking the overall sequence and structure of a presentation.
• It can also help manage slide transitions across multiple slides.

Last verified on 09-08-2026

Explanation

• Page Up: Move the cursor or page up one screen.

Additional information:

• Ctrl + Home: Move to the top of a document.
  
• Ctrl + End: Move to the bottom of a document.
• Page Down: Move the cursor or page down one screen.

Last verified on 09-08-2026

Explanation

• Charles Babbage is credited with designing the first mechanical computer.
• He is widely regarded as the Father of the Computer.
• Difference Engine → Designed in the 1820s
• Analytical Engine → Described in 1837

Additional information:

• Ada Lovelace → Wrote an algorithm for the Analytical Engine
• Alan Turing → Pioneer of theoretical computer science

Last verified on 09-08-2026

Explanation

• Memory (RAM): Temporary, volatile, fast access
• Storage (HDD/SSD): Permanent, non-volatile, slower than RAM
• Example Memory: RAM in computers (4GB, 8GB, 16GB)
• Example Storage: Hard disk, SSD (256GB, 512GB, 1TB)
• Purpose: Memory = active tasks, Storage = long-term data

Last verified on 17-01-2026