Computer Architecture Essay Example | Topics and Well Written Essays - 1000 words

Computer Architecture - Essay ExampleVon von Neumann Architecture Von Neumanns ideas are significant as they inspired the making of EDVAC computer clog in 1952. The construction of Manchester Mark I computer preceded that of EDVAC. To Von Neumann, an in effect(p) electronic computer would contain quaternity main elements. These are the arithmetic logic unit, bear unit, memory and input- return devices. In his architecture, Von Neumann moved if an efficient general purpose computer was to be made it is imperative to give it exemplary ability to ancestry info and the intermediate outcomes of computation. On top of this, it is important to enable the computer to keep the instructions and commands inclined in carrying out whatsoever computation (Cragon, 2000). To achieve this, Von Neumann proposed that it is necessary to encode computer instructions in numeric form and enable the computer to store these instructions and their data in the like memory. The control unit help exec ute coded instructions saved in computer memory. Arithmetic unit performs arbitrary subsets of certain arithmetic operations. Von Neumann argued that operation speed, cheapness and simplicity of a machine should pay off the economy of the arithmetic unit. Arithmetic unit accesses information from registers so as to be able to see values. Data and program code reside in a computers memory. Input and output are enables a computer to communicate with the outside environment. Todays input and output functions mystify improved on Von Neumanns ideas and some take place within the computer (Null & Lobur, 2012). system of rules passel There are wires found in the main board. It is these wires that interlink chips and devices plugged in the mainboard. The bus is the collectivity of these wires. The width of the bus goes with the number of wires. Data bus almost always contains wires in multiples of eight. Besides data wires, there are additional wires that help the computer in signaling and control. Bus throughput capability is the produce of the speed of the bus clock (hertz) and the width of the bus (bits). Devices machine-accessible to the mainboard communicate via the bus. Bus arbitration is the rule used to adjudicate the chance for each device to get access to the bus. Devices of high priority including mainframe computer and RAM get preference in accessing the bus (Cragon, 2000). These high priority devices have few interrupts. The control channel signals interrupts. Interrupt signals help interrupt CPUs tasks in order to attention to whatever event that may occur. The CPU handles interrupt requests with respect to priority of their device. High priority devices have unhopeful interrupt numbers. In the past, bus arbitration has advanced over the years so that the computer does non need to arbitrate the bus. Direct memory access allows devices to insert or get data into or out of computer memory. The system bus has several functions. All types of buses allow sharing of data amongst the peripherals connected to the computer (Null & Lobur, 2012). organisation bus helps in addressing. Addressing helps in sending data to and from particular memory sections. System bus supplies power to different computer peripherals. It is the work of the bus to provide system clock that helps in synchronizing computer peripherals with other elements in the system. The use of Boolean operators in computer-based calculations Boolean operators can be used in the