For example, I’ve had people convey me a computer to fix, and it’s clearly not worth the cost of the repair. One customer brought in a desktop PC and just wanted our Clear-Up Speed-Up service done. He hoped to get a reminiscence improve too. I shortly realized that the memory it had in it was maxed out, and the pc was over 9 years outdated. It wasn’t value placing one other dollar into and I handed it right back with a reduction for a data switch! People have realized to mimic biological functions and to construct machines that mimic biological functions. But constructing a pump, then calling a coronary heart a pump, or asserting that it conducts pumping is the kind of metaphor that leads to lengthy discussions like this. It is like calling flowing water a river, then stating the river erodes land or creates whirlpools.
In case you must purchase him a pc buy a Tablet and/or a Rasperry Pi which is a very basic and cheap machine they’ll develop for themselves. Personally I’d also contemplate an Abacus and/or slide rule which would educate them fundamental concepts like rounding error and that generally a non-electrical machine is better than the most recent digital gadget.
The time between two memory reads or writes (cycle time) was about 17 microseconds (millionths of a second) for early core reminiscence and about 1 microsecond for core in the early 1970s. The first DRAM had a cycle time of about half a microsecond, or 500 nanoseconds (billionths of a second), and at the moment it’s 20 nanoseconds or less. An equally vital measure is the associated fee per little bit of reminiscence. The primary DRAM saved 128 bytes (1 byte = 8 bits) and price about $10, or $eighty,000 per megabyte (hundreds of thousands of bytes). In 2001 DRAM could be purchased for less than $zero.25 per megabyte. This huge decline in cost made doable graphical consumer interfaces (GUIs), the display fonts that phrase processors use, and the manipulation and visualization of large lots of information by scientific computer systems.
Glenn, I posted a few months ago about the questionable trigger for my Check Engine light coming on. I believed you’d be interested to know that after the light went off, it stayed off for some time, however ultimately it got here back on. I did buy a scanner and it learn code P0420, so the service store was appropriate. Now I simply must hope that it’s a sensor and never the converter itself.
Backups! It will be a terrific idea for a whole put up on this. I have been exploring the chances, and it is a minefield. A significant percentage of exhausting drives and NAS drives fail prematurely with out notice. In addition, among the hardware encrypted NAS boxes like Western Digital, fail in such a means that complete information loss can happen even in a raid format. SO it’s an necessary concern, folks can and DO lose their whole media collections.