Explanation

• Main Document – The template for the letters or emails
• Data Source – Contains names, addresses, or other personalized information
• Merge Fields – Placeholders that pull data from the data source

Explanation

Bandwidth refers to the amount of data transmitted per second.

It is measured in bits per second (bps).

It indicates the speed or capacity of a network connection.

Last updated 15-feb-2026

Explanation

In a network with 25 computers, a full mesh topology requires the most extensive cabling. 

Mesh Topology: Every node is connected to every other node, creating 300 unique connections for 25 computers.

Last updated 15-feb-2026

Explanation

The internet, large corporate networks, and banking networks are common examples of WANs

A WAN can cover country, continent or even a whole world.

Other examples of WAN are mobile broadband connections such as 3G, 4G etc.

Last updated 15-feb-2026

Explanation

The F5 key is primarily used to refresh or reload web pages in browser

Additional information

Shift + F5: Starts PowerPoint slideshow from the current slide
F6 – Moves the cursor to the address bar

F7 – Used to spell check and grammar check

F8 – Used to access the boot menu in Windows 

Last updated 15-feb-2026

Explanation

Explanation

MS Access has primary one key (or a single composite key) per table.

This key must be a unique, non-null field or a combination of fields

That identifies each record, acting as the primary identifier for database relationships. 

Last updated 15-feb-2026

Explanation

Regarding deadlock recovery techniques, is Process Termination. 

It is considered an "easy" technique regarding CPU management

Because it uses simple logic to break a deadlock cycle: 

Explanation

Google established (acquired and further developed) the Android system. 

Explanation

• Application software is designed to perform specific tasks, like creating spreadsheets or editing images.
• Examples include Microsoft Excel, Adobe Photoshop, and Google Docs.

Last verified on 15-02-2026