What two devices in a computer should be considered black boxes?
What two devices in a computer should be considered “black boxes”, and should never be opened, due to risks involving charged capacitors? a. power supply and monitor 27.
Under what circumstance is a liquid cooling system most likely used?
IT 121 CH1 & CH2a
| Question | Answer |
|---|---|
| Under what circumstance is a liquid cooling system most likely used? | overclocking |
| If your computer is in a dirty, dusty environment, what tool should you use periodically to prevent overheating? | compressed air |
What are the two highest heat producing components in a system?
Processor and Video Card (GPU) are the two highest heat producing components in any system.
What are the two most common form factors used today for computer cases?
The most common form factor is ATX, which evolved to mini-ATX, nano-ATX, pico-ATX, and further. A different type of form factor, and smaller than the ATX is the ITX, which is significantly smaller than the micro-ATX. The ITX form factor can also be found as nano-ITX, pico-ITX, mobile-ITX, and more.
What should be the most expensive part of a computer?
motherboard
What are the 7 major components of a computer?
The 7 Major components of a computer
- Vedeo card. Power supply.
- The vedeo card is responsible for displaying everything you see on your screen. The power supply is responsible for supplying power to all the components of the computer.
- Optical Drive.
- Hard drive.
- Ram.
- The motherboard.
- The cpu.
What should be done before a motherboard is removed from a case?
Before removing the motherboard from the case, unplug the power supply lines and SATA cables that are connected to the motherboard, and disconnect the wires leading from the front panel connectors. Disconnect any remaining cables as well. Pop off spacers and/or remove screws as necessary.
What is the most important first step that should be taken before performing work with a computer?
What is the very first step that should be taken when performing work with a computer? You should power down the system and unplug it.
How many screws does a default motherboard have?
five screws
Can a laptop have 2 graphics cards?
Some laptops do have 2 graphics cards built in. These are normally ones that are made to do 3d work, video or photo editing and gaming. Some laptops do allow you to put your own gpu in as long as it is compatible with the motherboard.
Can I clean my graphics card with alcohol?
When cleaning the graphics card, compressed air in a can or an air compressor will be your primary cleaning tool. If there is caked-on dust and dirt, you can use a Q-tip with isopropyl alcohol to rub them away. You can clean other computer parts with a damp cloth or cloth with small amounts of isopropyl alcohol.
Is 70% isopropyl alcohol safe for electronics?
It’s best to avoid using any isopropyl mixture below 90% on circuit boards and other electrical bits. If you’re simply cleaning the adhesive off something metal or plastic, 70% might do in a pinch, but you’ll want to be sure not to spill it onto circuits or wires.
How often should I clean my graphics card?
If your computer is in a room that gets dirty quickly i would recommend cleaning it at least once every two months.
Can a faulty monitor damage GPU?
While its technically possible a faulty monitor could fry a video card, it would be a rare event and would involve a thermonuclear type destruction of the monitor, not a fault that only produces a colour change.
How do you clean a GPU connector?
Touching the pins shouldn’t really be a problem in the first place, but if you really do want to clean them, a cotton swab with some isopropyl alcohol on it would work fine.
How do I free up graphics memory?
How to Free Up Space on Your Graphics Card
- Uninstall the current video drivers.
- Open the computer case.
- Remove the current graphics card.
- Install the new card.
- Install the new card drivers.