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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 many cores does the sandy bridge CPU have?

depends on the type
the i3 has 2 cores (and 2 virtual ones because of hyperthreading)
the i5 has 4 cores
the i7 has 4 cores(+4 virtual ones)

Why Intel T7500 is 2.2 Ghz and T8100 is 2.1 Ghz?

The T8100 is based on Intel's newer processor cores, dubbed "Penryn". They feature a smaller 45nm manufacturing process, as opposed to the "Merom" core on the T5xxx/T7xxx series.

They also include a new instruction set, SSE-4, but I doubt any software is making much use of that yet. Most notably they do consume less power than their predecessors.

So the "reason" why the T7500 is 2.2ghz and T8100 is only 2.1ghz, is that they are from two different processor families, and apparently Intel deems that the advances they put into the new Penryn core, allows them to have the cheapest member of the line running at a lower clockspeed than the T7500. Be it performance or power-saving that is the reason behind it, only Intel (or benchmarks) can tell.

Full from of CPU?

Depends on what you mean. #1 most likely, but more answers just in case.

1. Full form of "CPU" - Central Processing unit

2. Full 'form' of CPU - A highly complex composition of transistors arranged intelligently in order to carry out a large number of individual tasks, ranging from performing calculations to storing data.

3. Full form of CPU - Small square with hundreds of small golden pins on the bottom with a thin green band of silicon along the middle. The top is typically covered with a thick metal shielding / thermal plate, with emblems and information etched into the top.

How do you get the type of motherboard without opening the CPU?

MOTHERBOARDI assume by type you mean manufacturer. and by CPU you mean the computer case

if that's the case then you need a tool to identity the motherboard for you.

a freeware tool called cpu-z will do the job, download it from: http://www.cpuid.com/cpuz.php

download and install, then run and navigate to the main-board tab

there you will find the information you seek.

Do most Intel CPU's implement a flat memory model?

Modern Intel chips (since at least 1990) support a flat memory model, if the OS so chooses to use it. Practically all modern OSes use that memory mode, as a flat model is simpler to deal with in software than a segmented model.

CMOS checksum error Default loaded Warning CPU has been change Please re-enter CPU setting in the coms setup and remember to save before quit?

the main reason this happens is when the CMOS battery needs replacing.if the problem isn't resolved by doing this then I would flash the motherboard bios

Purpose of program counter in a microprocessor is?

In 8085 program counter stores the address of the next instruction which is to be fecthed.same function is performed by instruction pointer in 8086.

Is CPU a program?

yes cpu is a program which is used to run moniter

What is the difference between General Purpose Registers and Special Purpose Registers?

general purpose registers are basically used to hold temporarily data and intermediately result. example: ax,bx,cx,dx each of 16 bits. whereas special purpose register are primely used for memory access. it is of two types

: 1. segment register and 2. index register/ pointer

Why do you ever build just microprocessor?

Microprocessors are built solely for experimental processes. If a scientist can test how they perform in certain conditions, advances can be made in the field of computing.

What is more a 300 MHz processor speed or a 2.08 GHz processor speed?

2.08 GHZ would be the faster speed. MHz =Mega Hertz HGz =Giga Hertz 1 Giga Hertz = 1000 Mega Hertz

Which is the better processor in a laptop amd turion x2 rm-72 dual-core mobile processor 2.10 ghz cache vs 2.00 ghz amd athlon x2 ql-62 dual-core processor 1mb l2 cache?

No doubt that amd turion x2 is better than athlon x2. So, I would suggest you to go for turion. But I want to know if core 2 duo is better than the turion x2. Any suggestions.

How many clock cycles does the CPU require to act on a command?

It depends on the processor. They often have a different number of Cycles per Instruction. (http://en.wikipedia.org/wiki/Cycles_Per_Instruction)

How Block moving program is writing in 8086 processor?

mov si,1300;source

mov di.1500;destination

mov ch,05;limit

lo:

mov al.[si]

mov [di],al

inc si

inc di

dec ch

jnz lo

What can you upgrade a Pentium ll processor to?

That will depend on the motherboard and BIOS. If the board supports a 100 MHz Front Side Bus and has the proper microcode updates, a 1.1 GHz Pentium III (using a Slotket) is possible. If the board is limited to only 66 MHz, a 450 MHz Pentium II, or a 500 MHz Celeron is about all you can do. It may be possible to install a Pentium III even then, but it will run underclocked and likely not run much faster than the 500 MHz Celeron.

The microprocessor control unit of a modern washing machine is not a microcomputer why is this?

Because the microprocessor of a washing machine is a dedicated computer while a microcomputer is general computer that performs a variety of tasks.

The Instruction set refers to the commands that a CPU knows how to complete?

Yes, Instruction Set is the list of OPCODES that CPU (Processor) understands & performs on those instructions (i.e. enables devices to communicate, process received instructions & directing towards the right output devices).

What is the vhdl code for 8253 microprocessor?

VHDL code for 8253 need to be written in structural modeling of VHDL. It will be a bunch of programs related to each and every component or functionality we use in 8253 and need to be combined. It is not a single program. It is a combination of several programs.