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 (Random Access Memory) temporarily stores data and instructions that the CPU is currently processing.
• It is a volatile memory, meaning it loses data when the computer is turned off.

Last verified on 15-02-2026

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

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

Explanation

• The CPU (Central Processing Unit) is the brain of the computer.
• It performs all calculations, executes instructions, and controls other components.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last verified on 15-02-2026