Pc components Flashcards
Identify the core components used to build a personal computer (the base unit)
CPU
RAM
motherboard
ROM
Graphics card (optional)
SSD
HDD
PSU (POWER SUPPLY UNIT)
What does VGA stand for
Visual Graphics Array Port
What does a VGA port do
A VGA port was the most common port used to connect external monitors (screens) and projectors up until around 2010. They are now being gradually being replaced by the more versatile HDMI ports.
What does HDMI stand for
High Definition Media Interface
What does a HDMI port do
This is the modern replacement for VGA and can be used to carry video, sound and control information. HDMI have a high transmission capacity meaning that you can send higher resolution data and you can also send sound data via one cable.
What does USB stand for
Universal Serial Bus
What does a USB do
These were originally introduced to allow connection of a wide variety of external peripherals (mice, keyboards, printers, external hard drives) without the need for a specific port for each device. This meant that devices could be plugged into any available port and can be hot-swapped with the need to manually configure them each time.
What does Ethernet stand for
Ethernet Network Interface Controller
What does an Ethernet do
This port allows a computer wired access to the local area network (such as your home network) and access to the Internet via a router.
What do sound ports do
The ports allow speakers, headphones and microphones to be plugged into the device.
What is a CPU measured in
Clockspeed
What is RAM measured in
GB
SSD is measured in
GB
PSU
Watts
HDD measured in
GB
