No.They have them internally.
by electrical source computer fan works
your computer could demage when you block the fan under it,and when you use your computer.
If it has not been used for a while then it is probably dust in the fan. The way to fix this is to open the computer tower and using a cotton swab clean all of the fans inside of the computer.
No
To cool the SMPS while the computer is working.
capacitor and copper winding
The electricity from the battery is taken to the motor of the fan using raw pasta sticks and are only effective for 3 hours
A tower fan is a fan that sits in a computer tower and serves as the main cooling mechanism. The computer tower is the main box of the computer that houses the motherboard, hard disks, CD drives, and other internal components of the computer. When operating, computers can generate a lot of heat, so it is important to keep the components cool for better performance and longer life.
To prevent your computer from overheating, ensure proper ventilation by using a fan to blow cool air into the system and expel hot air. Regularly clean dust from the fan and vents to maintain airflow and prevent overheating.
The statement about physically protecting your computer that is false is "data line surges can be blocked by using a computer sound". Statements that are true include that it is best to unplug your computer during a storm and placing your computer in such a position that the fan's input vents are not blocked is important.
An exhaust fan is a system fan that blows (usually warm) air out of the computer.
A tower fan is a fan that sits in a computer tower and serves as the main cooling mechanism. The computer tower is the main box of the computer that houses the motherboard, hard disks, CD drives, and other internal components of the computer. When operating, computers can generate a lot of heat, so it is important to keep the components cool for better performance and longer life.