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

The basic structure of a computer was developed by John von Neumann in 1945. 

It is known as the von Neumann architecture or von Neumann model,

He was the Hungarian-American mathematician and physicist 

Last updated 15-feb-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

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

Virtual memory is a memory management technique

Used by operating systems (OS)

That extends a computer’s physical RAM by temporarily transferring data to disk storage.

Last updated 15-feb-2026

Explanation