help-gnu-emacs
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: About `y-or-n-p'


From: Peter Dyballa
Subject: Re: About `y-or-n-p'
Date: Mon, 7 Jan 2013 13:36:34 +0100

Am 07.01.2013 um 13:00 schrieb Xue Fuqiao:

> What does `hardwired' mean?

It means: cannot be changed or altered (by some internal variable setting or 
function or new algorithm).

A software programme can be loaded into a RAM or onto a disk. In the RAM, or 
disk, you can change it with patches or other means. You can also load it on to 
a CD oder DVD or into a ROM/PROM. These all are read-only devices, although 
some of them can be one-time written. The programme on these devices is 
hard-wired, its functions are interconnected with a kind of hardware or real 
wires as if you had an experimentation board in which you insert (instead of 
software function blocks) ICs, transistors, resistors, capacitors and 
"programme" them by soldering wires to the components to make the board 
(programme) work as something, as some electric or electronic circuit. When you 
load the software into a CPU's RAM you can re-wire the function blocks any 
time, because their interconnects are not that "hard".

HTH… (HTH = hope that helps) Or this: 
http://en.wikipedia.org/wiki/Hardwired_control#Hardwired_control_unit

--
Greetings

  Pete

Think of XML as Lisp for COBOL programmers.
                                - Tony-A (some guy on /.)




reply via email to

[Prev in Thread] Current Thread [Next in Thread]