• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

John von Neumann

Extracts from this document...


John von Neumann Von Neumann, a mathematician designed the architecture model for a CPU. This model was a single storage structure to hold both the set of instructions on how to perform the computation and the data required or generated by the computation. He designed it by treating the instructions in the same way as the data, a stored-program machine can easily change the instructions. In other words the machine is reprogrammable. Von Neumann's archtectre is still used it todays modern CPU'S. The CPU This diagram represents the structure of the Central Processing System. ...read more.


It also manages the signals from the control bus. Registers This is a form of high-speed memory which is contained inside of the CPU. All data must be represented in a register before it can be processed. Information is stored temporarily in the registers in which text or buffer positions or rectangles can be saved for later use. Buses A bus is a channel or path between the components in a computer. Having a high-speed bus is important. ...read more.


The first connects the CPU and the system memory. This is the fastest bus in the system. The second bus is the slower and it connects other devices, like the hard disk, CD drive, graphics card etc. These slower buses connect to the system bus through a bridge which integrating the data from the other buses to the system bus. RAM Random Access Memory is the place in a computer where the operating system, application programs, and data in current use are kept temporarily so that they can be quickly reached by the computer's processor. The RAM is plugged on to the mother board and the processor accesses the RAM via buses. Kris Littlewood ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Computer Science section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Computer Science essays

  1. Computer Architecture

    The faster a computer's bus speed, the faster it will operate, but a fast bus speed can't make up for a slow Clock Speed. Clock Speed - The Clock Speed is the speed at which a microprocessor executes instructions these clock cycles per second are measured in hertz.

  2. Smart Card System

    The sequence of sending a data packet transmission is requested be an end node and controlled by the repeater. When a data packet transmission is about to occur: If an end node has a data packet ready to send, it transmits either a Request_Normal or Request_high control signal.

  1. Flexible Architectures in Communication Security Application

    The setup code processes the key to create various SBOX's and key-based permutations required by the cipher kernel. In addition, many of the algorithms pre-compute lookup tables (based on the key) that speed processing in the cipher kernel. The encryption and decryption kernels process one block of data.

  2. Internal Operations

    Describe the IEEE floating point definition. 68 - 01000100 112 - 01110000 Adding and subtracting: 112 - 68 = 112 + (-68) to find -68 in 2's comp: invert 01000100 = 10111011 1 + 1 10111100 - 2's compliment so 01110000 ( +112)

  1. Control Unit, Memory Unit, and Arithmetic Logic Unit. The CPU or Central Processing ...

    Performance of Computer System The materials used in a processor will affect the reliability, speed and performance of that processor. Importantly, the speed of the slowest component might slow right down an otherwise fast computer system. Processors perform differently because of their clock speed.

  2. According to John Searle, strong analytical devices that have Artificial Intelligence can, at most, ...

    speaker " second batch of Chinese script" and "a set of rules" in English "for correlating the second batch with the first batch." The rules "correlate one set of formal symbols with another set of formal symbols"; "formal" (or "syntactic") meaning you "can identify the symbols entirely by their shapes."

  1. The Von Neumann Machine

    Newer processors may have 24,32 or even bigger address buses. A 32-bit address bus would allow access to 2^32 (4294967296) different location which is 4 gigabytes of memory. The bus system determines the size of each memory location and it also determines how much memory can be installed in the system.

  2. The Data Management Structure: Components and the data structure

    ready for each other, taking into consideration the priorities of both, the priorities of other system user of the same resources, and other resources necessary to make the transaction work. If you need more files than are supplied by IBM you can define, create, use, and delete them through system's DDS language combined with the command language, CL.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work