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

A single page of a PowerPoint presentation is called a slide

Additional information

Slide deck: collection of slides that are used together.

'.ppt' extension to save a presentation file.

F5 key : start the slideshow of a PowerPoint presentation.

Last updated 15-feb-2026

Explanation

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

A cache is the smallest and the fastest memory in the computer.

Cache memory is also called CPU memory.

It temporarily stores frequently used data for quick access by the processor.

Last updated 15-feb-2026

Explanation

Explanation

RAM and Cache are types of volatile memory. 

• RAM: Random Access Memory
• Cache memory loses its data when power is turned off, so it is volatile.
• It is high-speed memory used to store frequently accessed data for faster CPU performance.

Additional information:

• ROM is a non-volatile memory.
• ROM: Read Only Memory

Last verified on 16-02-2026

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