What is Buffer?

Question

My earlier question is also same .But my question is can Buffer store data for some time. if yes then RAM is also done this kind of work.I am confussion about this for a long time .please pass me out on this matter.......Thanks

Answer 1

There are memories like stack and heap, heap is not part of ram

but in heap you can allocate few bytes of memory which you can also call a buffer

the amount of RAM is limited

Answer 2

This is a small amount of data that is stored for a short amount of time, typically in the computer's memory (RAM). The purpose of a buffer is to hold data right before it is used. For example, when you download an audio or video file from the Internet, it may load the first 20% of it into a buffer and then begin to play. While the clip plays back, the computer continually downloads the rest of the clip and stores it in the buffer. Because the clip is being played from the buffer, not directly from the Internet, there is less of a chance that the audio or video will stall or skip when there is network congestion.

Answer 3

Buffer is



1. Memory used to temporarily store output or input data

2. Buffer a routine or storage medium used to compensate for a difference in rate of flow of data between devices

3. Optical buffer, a device that stores optically transmitted data without converting it to the electrical domain

4. Buffer amplifier (also sometimes simply called a buffer), an isolating circuit used in electronics or telecommunications

5. Buffer (optical fiber), a component used to encapsulate one or more optical fibers in a fiber optic communication cable

Answer 4

A buffer is like the bumper on your car. It buffers/interacts between your slower car and the faster one crashing into you. Buffer or 'cache' memory is faster and usually smaller than your system RAM. Faster video card, slow motherboard. Faster Video processor, slower processor. Faster motherboard, slower hard drive. Faster hard drive, slower CDR.



Your hard drive has a buffer.

Your video card has a buffer.

Your CDR has a buffer.



Faster means much more expensive.



You can also have an application buffer. Selecting text and typing CTRL-C will copy that info into a 'buffer'. Windows is using your system RAM to store the info for a short time. Allowing you to transfer between apps (Internet Explorer to Word). Typically this information is not intended to be saved for any length of time past copying it and moving it.

Answer 5

Buffer can use any type of memory high speed or slow speed



but generally applications use buffer to use CPU time efficiently

if there is no buffer processor will need to switch from one task to another task imminently which will result in more overheads



in networking buffers are used as data buffer to send data stream uniformly w.r.t time.

Answer 6

Buffer can also be used to provide impedance matching between two circuits.

Answer 7

buffer can be a part of RAM....RAM is a hardware term n buffer is a logical concept