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Microprocessors

A microprocessor is the heart of any computer, whether it is a server, a desktop machine, or a laptop. This single chip contains the arithmetic, control, and logic circuitry necessary to interpret and execute computer programs.

2,578 Questions

How much time does a full time college student spend in class?

For colleges and universities that operate on a regular semester system, one credit requires 16 hours of class contact time for the semester. Thus, a three credit course means 48 hours of class contact time for the semester. The minimum full-time student load is 12 credits. This equates to 12 hours of class contact time per week, and totals 192 hours of class contact time for the semester.

What are three factors you need to consider when selecting a new processor?

some factors that you need to consider.first the purpose you need that cpu.the cpus clock,the cpus fsb,the cpus socket to be compatible with your motherboard and the cpus l2 cache

What were the ramifications of the development of the microprocessor?

The development of this chip led to the invention of the first personal computer. With this invention, the use of computers spread from large businesses and the military to small businesses and homes.

Why is it doubling of the system processor speed does not resulting in doubling of the system performance?

there are a lot of factors that contribute to the overall performance other than the processor.the processor has to rely on the capacity of the RAM for it to perform faster and there has to be faster controllers that can provide a quicker interface to the drivers e.t.c- Edson 'scott' Chikoti.

Witch is more MB or KB?

a megabyte is more than a kilobyte it goes bit byte kilobyte megabyte gigabyte then terabyte a megabyte is 1024 kilobytes

What are the screen elements of windows explorer?

the screen elements of windows explorer are many. I hope you can name it. thanks.

What is the first x86 Microprocessor?

"The x86 architecture first appeared as the Intel 8086 CPU released in 1978, a fully 16-bit design based on the earlier Intel 8085. Although not binary compatible, it was designed to allow assembly language programs written for the 8085 to be mechanically translated into the equivalent 8086 assembly. " Here's the entire Article: http://en.wikipedia.org/wiki/X86

Why Gateway E3600 with E210882 4000762 moboard turns on normally no beeps all fans and hd spinning but will not boot The monitor says no signal Checked v card and hd in other PC both work please help?

The power supply could be going bad - it's a 160watt PS, and that's quite low.

I just replaced the old one with a 250 watt PS and it's humming away.

The orange light in the front is a good indicator that either the floppy or the other drives may not be connected properly.

What are the latest additions to MRI technology?

The latest additions to MRI technology are magnetic resonance angiography (MRA) and magnetic resonance spectroscopy (MRS).

What is the function of a stack pointer?

Stack pointer points to the topmost / most recently referenced location on the stack;

- Nutan

What is the major difference between TV and CPU?

There are lots of "major differences", as they are totally dissimilar devices with different purposes. For one, televisions are typically very large, as they must have a screen large enough to be viewable. CPUs and other microprocessors are much smaller, usually under two inches across.

How do you connect laptop to CPU without network?

Assuming that by CPU you are referring to a separate desktop machine, you can use a crossover ethernet cable to connect them directly

What is the first CPU to include an internal math co processor?

Not sure if it's the first but:
"Intel processors later than the 80486 integrated floating-point hardware on the main processor chip" source: http://en.wikipedia.org/wiki/Coprocessor#Modern_PC_coprocessors

Couldn't find anything about Motorola processors with math coprocessors built-in.
I believe AMD was just behind Intel with the processor design.

Who invented CPU?

John Vincent Atanasoff developed the ABC (Atanasoff-Berry Computer) at Iowa State University in October 1939 as in the following link.

Patent dispute details: J. Presper Eckert and John Mauchly were the first to patent a digital computing device, the ENIAC. The ABC had been examined by John Mauchly in June 1941, and Isaac Auerbach,[6] a former student of Mauchly's, alleged that it influenced his later work on ENIAC, although Mauchly denied this (Shurkin, pg. 280-299). In 1967 Honeywell sued Sperry Rand in an attempt to break their ENIAC patents, arguing the ABC constituted prior art. The United States District Court for the District of Minnesota released its judgement on October 19, 1973, finding in Honeywell v. Sperry Rand that the ENIAC patent was a derivative of John Atanasoff's invention. The decision was not appealed.

Campbell-Kelly and Aspray conclude:

The extent to which Mauchly drew on Atanasoff's ideas remains unknown, and the evidence is massive and conflicting. The ABC was quite modest technology, and it was not fully implemented. At the very least we can infer that Mauchly saw the potential significance of the ABC and that this may have led him to propose a similar, electronic solution.

The case was legally resolved on October 19, 1973 when U.S. District Judge Earl R. Larson held the ENIAC patent invalid, ruling that the ENIAC derived many basic ideas from the Atanasoff-Berry Computer. Judge Larson explicitly stated, "Eckert and Mauchly did not themselves first invent the automatic electronic digital computer, but instead derived that subject matter from one Dr. John Vincent Atanasoff".

What does F stands for in PIC12F629?

This was a little difficult to track down on their website:
  • their older PICs that stored the program in EEPROM used a "C" in that field of the partnumber
  • the new PICs that store the program in FLASH use an "F" in that field of the partnumber
So the "F" in PIC12F629 stands for program code stored in FLASH.
They probably have other letters they will use for other types of program memory that they might use (e.g. masked programmed ROM) but I couldn't find any others than "C" and "F".