What does CPU stand for?
AnswerCentral processing unit
The CPU carries out program instructions and is often called the brain of the computer.
Tech · Facts & stats
PC facts & stats
7 fact-checked facts about personal computers, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What does RAM stand for?
AnswerRandom-access memory
RAM is fast working memory that holds data the computer is actively using.
Going deeper
What does GPU stand for?
AnswerGraphics processing unit
A GPU is a processor specialized for drawing images and handling parallel calculations.
What happens to data in RAM when the computer loses power?
AnswerIt is lost
RAM is volatile memory, so it needs power to keep its contents.
What does USB stand for?
AnswerUniversal Serial Bus
USB is a standard connector and protocol for linking devices to computers.
Expert level
What does BIOS stand for?
AnswerBasic Input/Output System
BIOS is firmware that starts up the hardware before the operating system loads.
How many bytes are in a kibibyte (KiB)?
Answer1,024
The binary prefix kibi means 2 to the power 10, or 1,024.
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