Question

Difference between ROM and RAM.

How does a modem work ?

Why graphics cards are used ?
​

Answer 1

Answer:

Difference

RAM, which stands for random access memory, and ROM, which stands for read-only memory, are both present in your computer. RAMk is volatile memory that temporarily stores the files you are working on. ROM is non-volatile memory that permanently stores instructions for your computer. Find out more about RAM.

2nd answer

A modem is typically used to send digital data over a phone line. The sending modem modulates the data into a signal that is compatible with the phone line, and the receiving modem demodulates the signal back into digital data. Wireless modems convert digital data into radio signals and back

3rd answer

A graphics card is an expansion card for your PC that is responsible for rendering images to the display. High-end GPUs are used for gaming, ray tracing, graphics production, and even mining cryptocurrency

Answer 2

Answer:

RAM is random access memory and it is permanent memory whereas ROM is read only memory and it is volatile memory

Explanation:

A modem is typically used to send digital data over a phone line. The sending modem modulates the data into a signal that is compatible with the phone line, and the receiving modem demodulates the signal back into digital data. Wireless modems convert digital data into radio signals and back.

Graphic card

A graphics card is an expansion card for your PC that is responsible for rendering images to the display.