what is the difference between the CPU and the system unit.?
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The CPU is a microprocessor that controls and computes data input by the user. The CPU is located on the motherboard and will have a cooling unit mounted on top of it. The system unit is simply the whole computer, meaning the computer case with all components installed.
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http://www23.tomshardware.com/cpu.html
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no. one is for amd processors and one is for Intel processors. different technology
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Basically the Central Processing Unit (CPU) does the work. CPU (and any other computer component) only understands 1 and 0. Making a string of these (like 111000101011) tells the CPU what to do based on its programmed instructions.  Then the CPU processes the correct data (information that only computers understand...like 1 and 0) into information (what we understand..as in what is being displayed on the monitor). \n\nThe CPU has two main core divisions:\n\nThe ALU (arithmetic logical unit) which calculates basic math AND\nThe Control Unit, which handles advanced math and everything else.
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In XP right click on my computer and click on properties, it will tell you on the bottom. If you need more info, you can click on the hardware tab, and then click on the "Device Manager" scroll down to processors, right click on your processor and click properties, then click the "Details" tab, you can find out just about everything there. If you want more info, you can also go to the manufacturer's website and look it up.
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System software is a generic term referring to any computer software whose purpose is to help run the computer system. Most of it is responsible directly for controlling, integrating, and managing the individual hardware components of a computer system.\n\nSystem software is in contrast to application software, which helps solve user problems directly.\n\nSystem software performs tasks like transferring data from memory to disk, or rendering text onto a display. Specific kinds of system software include loading programs, operating systems, device drivers, programming tools, compilers, assemblers, linkers, and utilities.\n\nSoftware libraries that perform generic functions also tend to be regarded as system software, although the dividing line is fuzzy; while a C runtime library is generally agreed to be part of the system, an OpenGL or database library is less obviously so.\n\nSystem software can be stored on non-volatile storage on integrated circuits that is usually termed firmware.
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The CPU does not hold a memory card.  The CPU (central processing unit) is what operates the computer.  It is a separate entity within a computer from the RAM (random access memory) cards and your hard drive, both of which are types of memory.  Consult your owner's manual for where to locate your RAM and hard drive are located, to remove them and upgrade them.
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there's a little program called cpuid that tells you this and more but you could look in your bios too
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Check out Tom's Hardware Guide. They have a special article called "The Mother of All CPU Charts". This should help you find what you're looking for.
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When you restarts the system, BIOS shows the CPU speed.
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Hmmmm, I think you may have some confusion there.\nA CPU (Central Processing Unit or processor) is on your MB (motherboard) it is the main processor or brain of the PC.\nSome PC's also have video chips, sometimes called video processors inbedded as well.\nThe CPU makes the computer more than a box with a light on it.  It is the part that performs the mathematical functions of the PC.  Without it you would not be able to load Windows, a floppy or do anything on the PC.\nA video chip is a processor for the video or pictures you see on the monitor.\nHTH
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A system of anything is a set of things that work together. A computer hardware system would be: a processor unit, connected to a monitor (screen) or more, plus printers, storage devices (disks), modems, and so on. So, I could ask: Is the system up, which means is the computer hardware system working. A system may also mean a software (program) system, a program that runs on the hardware system. So, a word processor (like Word) is an application system (actually an application system is a bigger system, so maybe MS Office is a system) that runs on the hardware system. So, I could ask: Is the system up? which means is the software running.
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hardware- this is the tangible parts of the computer, it consists of the output and input devices. such as monitor, mouse, etc.\n\nsoftware- this is the program that runs the computer, this is what the computer needs to run and process data.\n\npeopleware- this is the people who uses the computers. obviously, computers can't work without people to run them.
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Use CPU-Z to see all the information about the processor (and not only). It's freeware
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One of the main differences in all of Intel's line is Cashe in the processor.\nThe next difference is Dual Core, where it is like 2 processors in one.\nOther differences are tolerance levels for heat and bus speeds.
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The CU (Control Unit) of a CPU is the set of circuits that provide control and timing signals to the rest of the logic, I/O, arithmetic, etc blocks of the chip.\nTo put it simply, it breaks down an instruction into multiple simple steps to syncronize operations between various functional areas of the CPU.\nLets use a CPU with an 8-bit data bus and 16-bit address bus for an example. When the CPU needs to move data from an external source to an internal register there are several steps involved.\n\n1.) The CU loads the address of the data to be retrieved into an address register, but since its data bus is only 8 bits wide it will need to do this in two steps - load the low order address byte then load the high order address byte.\n2.) It will activate the external read and memory request lines to inform the computer that the bus cycle will be a memory read operation.\n3.) It enables the outputs from the address register onto the system address bus.\n4.) It enables the write control to the internal CPU register where the data is to be moved.\n5.) It enables the CPU data bus buffer to allow data into the CPU from the system. The data travels to all the register inputs, but only the register with its write control activated will be able to receive the data.\n6.) The write control to the register is disabled so the desired register holds the data.\n7.) The data bus buffer is disabled along with the read and memory request lines.\n8.) The address register's outputs to the system bus are disabled.\n\nThis is an oversimplified explanation of what the CU does, but it gives you a general idea of its rold in a CPU. Usually more than CU operation is taking place at the same time. You could loosely call a CU an "operation sequencer" of sorts. Also note that this example differs slightly from modern CPUs, but the underlying operation remains the same.
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Check this stuff out, should prove helpful.\n\nhttp://en.wikipedia.org/wiki/CPU\nhttp://en.wikipedia.org/wiki/CPU_design\nhttp://scs.une.edu.au/EDIT312/competencies/Resources/BasicOps/CPU.html\nhttp://www.answers.com/topic/cpu-design