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What is the "brain" of the computer?
the cpu
What does RAM stand for
random access memory
what does GPU stand for
graphics processing unit
What is the primary purpose of a motherboard?
It connects all internal components together.
Which device provides power to all the internal components?
power supply unit (psu)
What is the main difference between RAM and ROM?
RAM is temporary and volatile; ROM is permanent and non-volatile.
What does SSD stand for?
solid state drive
What is the purpose of a heat sink?
It draws damaging heat away from the CPU.
What does HDMI stand for?
high-definition multimedia interface
Which USB port type is reversible, meaning it plugs in either way?
USB type-C
Why are SSDs faster than traditional HDDs?
SSDs use flash memory instead of spinning magnetic platters.
What substance is placed between a CPU and a heat sink to improve heat transfer?
thermal paste
Which legacy port was traditionally used to connect older analog monitors?
VGA port
What does LCD stand for?
Liquid Crystal Display.
What is the term for a single tiny dot of color on a computer screen?
pixle
What internal component allows a computer to output sound to external speakers?
sound card
In what unit of measurement is CPU clock speed typically displayed today?
gigahertz (GHz)
Which expansion slot on a motherboard is most commonly used for modern graphics cards?
PCIe (PCI Express)
the standard audio connector size used for headphones?
3.5mm
Which display technology uses organic compounds to emit light without a backlight?
OLED
What component on a motherboard regulates clean voltage to the CPU?
the VRM
What function does the CMOS battery serve when the PC is powered off?
Preserves BIOS settings.
What does the "XMP" or "EXPO" profile do in BIOS settings?
It safely overclocks RAM to its rated high-performance speeds automatically.
What does the "Form Factor" of a motherboard (like ATX or Mini-ITX) determine?
The physical size, mounting hole layout, and case compatibility.
What does clear CMOS mean?
Resetting the BIOS/UEFI settings back to factory defaults.