The tag has no wiki summary.

learn more… | top users | synonyms (1)

3
votes
3answers
388 views

What's the difference between a hardware register and a memory-mapped register?

This has been puzzling, so I'll lay it all out here. Apparently, through MMIO, you can access external devices using a certain memory-mapped address, which would then be re-routed to that device ...
1
vote
2answers
195 views

Hardware. What is the difference between a port and a bank?

Especially, these days, the distinction between them is very confusing.. For example, NVidia's shared memory is 32-banked, so what they say is in one cycle, 32 data can come out at the same time... ...
0
votes
2answers
565 views

Using 32bit application in 64bit

I am using windows 32 bit VLC media player in 64 bit pc. It is working fine. but my question is that won't it allocate memory according to 32 bit structure? That means though i have 64 bit PC, i ...
1
vote
0answers
78 views

How to determine control/data/address bus width

I am hoping you guys can help. I need to know how to calculate the control bus, address bus, and data bus width of a hypothetical CPU. A computer is word addressable with a 64 bit word size and ...
1
vote
0answers
706 views

Using UEFI to access CPU features which are locked in BIOS

I have Dell Latitude E6420 with SandyBridge i5-2520M and standard issue Dell BIOS (version A15). In certain situations computer produces annoying high-pitched noise (it is not loud but it is ...
0
votes
0answers
24 views

How are graphics produced on the screen?

I have been trying to get a complete answer to this for a long time and I know it is complex. For example lets say we wanted to produce the character 'H' on the screen. H is 72 in ascii or 48 in Hex ...