Advanced Computer Architecture (original) (raw)
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General-Purpose computers -those built for a great variety of processing jobs. Simply by using a general purpose computer and different software, various tasks can be accomplished, including writing and editing (word processing), manipulating facts in a data base, tracking manufacturing inventory, making scientific calculations, or even controlling organization's security system, electricity consumption, and building temperature. General purpose computers are designed to perform a wide variety of functions and operations. You will probably use this type of computer reading this article and I am using a general purpose computer typing this article in some software (MS Word). A general purpose computer is able to perform a wide variety of operations because it can store and execute different programs in its internal storage. Unfortunately, having this ability is often achieved at the expense of speed and efficiency. In most situations, however, you will find that having this flexibility makes this compromise a most acceptable one.
Types and Components Of Computers
A Computer is machine that performs tasks, such as calculations or electronic communication, under the control of a set of instructions called a program. Programs usually reside within the computer and are retrieved and processed by the computer’s electronics. The program results are stored or routed to output devices, such as video display monitors or printers. Computers perform a wide variety of activities reliably, accurately, and quickly.
There are a lot of terms used to describe computers. To put it in simple words a computer can be defined as an electronic device that processes instructions and produces an output to the user. To unveil the secret behind this process, understanding of individual components is important. Starting with the case, we'll discuss the role and functionalities of the various peripherals and hardware which are integral parts of the computer. What is a Computer? A machine that can be programmed to : Receive information. Process the information according to a set of suitable instructions. Display desired result information. A computer can also be used to store information whenever required It is a device capable of performing arithmetic and logical operations Computer-The Framework Types of computers Analog-An analog computer represents data as physical quantities and operates on the data by manipulating the quantities Digital-A computer that stores data in terms of digits (numbers) and proceeds in discrete steps from one state to the next Hybrid-Hybrid computers are made by combining features of analog computers and digital computers