Essay Computer Hardware Text

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The central unit is the basic part of the computer and includes all the main computer parts. The software programs are translated into a series of codes made up of 1s to 0s that the cpu can understand. A cpu has various discrete units to help it in these tasks for example there is an arithmetic and logic unit alu that takes care of all the math and logical data comparisons that need to performed. в· always switch the computer off and remove power cables before opening the case. This will stop any static electricity effecting or damage any electronic components inside the machine.

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в· when working on the internals of a computer have the machine at waist height. в· position yourself and your computer in a comfortable sitting position в· don't leave the machine switch on when working on the inside of the computer. в· when installing devices into the machine always check that they have been pushed in and secured correctly. Static shocks are common everyday occurrences, annoying but significant except in technology, these static shocks be costly as they can easily damage computer components. The cost of esd damage to devices alone ranges from only a few pence for a simple diode to several hundred pound for a complex electronic board. In order to prevent damage, esd wrist straps which absorb the static can be used, also courses are available.

Low power consumption chips such as cmos chips are even more likely to be damaged by esd because esd is a low power. A voltage as little as twice the operating voltage can even below is an essay on computer hardware from anti essays, your source for research papers, essays, and term paper examples. –� includes devices that are peripheral to the main computer box such as input and output devices. In the late 1990s the computer hardware have made possible many changes to the health care industry.

The applications of computer to health care will greatly expand the diagnostic and therapeutic abilities of practitioners and broaden the options available to recipients of health care. Telemedicine is now being used to reduce the impact of distance and location on accessibility and availability of health care. Computer hardware fundamentals thin, flat sheet made of a firm, non conducting material on which the internal components printed circuits, chips, slots and so on of the computer are mounted.

Made of dielectric or non conducting plastic material and the electric conductions are etched or soldered onto the bottom of the board. 'dielectric' is often used in a general sense to refer to a material such as ceramic, mica, plastic or paper which is a poor conductor of electricity. €� the brains of the computer consists of at least one arithmetic and logic unit and memory. The arithmetic and logic units control mathematical functions the control unit carries out the machine language functions called fetch, execute, decode and store contains the programs called firmware, used by the control unit of the cpu to oversee computer functions rom storage is not erased when the computer is turned off.

What is the difference between operating software and application software? i need to know the difference between the two, please put it together,so i can have one main idea mainpoint of view. Thanks for helping 6 years agoreport abuse best answer chosen by voters operating software or operating system is the program that your computer uses to manage it's resources. Applications are programs that you use to perform certain tasks, anything as mundane as a calculator program to a cad system that is used in manufacturing plants. 6 years agoreport abuse operating software i believe it whats makes your computer work it what it needs to function.

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Application software i believe is like a program you want to use for example win zip 6 years agoreport abuse an operating system, or os, is a software program that enables the computer hardware to communicate and operate with the computer software. As computers have progressed and developed so have the types of operating systems. Below is a basic list of the different types of operating systems and a few examples of operating systems that fall into each of the categories. Many computer operating systems will fall into more than one of the below categories. Gui short for graphical user interface, a gui operating system contains graphics and icons and is commonly navigated by using a computer mouse.

Multi user a multi user operating system allows for multiple users to use the same computer at the same time and/or different times. See our multi user dictionary definition for a complete definition for a complete definition. Multiprocessing an operating system capable of supporting and utilizing more than one computer processor.

Multitasking an operating system that is capable of allowing multiple software processes to run at the same time. Multithreading operating systems that allow different parts of a software program to run concurrently. Operating systems that would fall into this category are: application software is a subclass of computer software that employs the capabilities of a computer directly to a task that the user wishes to perform. This should be contrasted with system software which is involved in integrating a computer's various capabilities, but does not directly apply them in the performance of tasks that benefit the user. A simple, if imperfect, analogy in the world of hardware would be the relationship of an electric light an application to an electric power generation plant the system. The power plant merely generates electricity, itself not really of any use until harnessed to an application like the electric light which performs a service that the user desires.

Typical examples of software application are word processors, spreadsheets and media players. Multiple applications bundled together as a package are sometimes referred to as an application suite. Microsoft office, which bundles together a word processor, a spreadsheet, and several other discrete applications, is a typical example. The separate applications in a suite usually have a user interface that has some commonality making it easier for the user to learn and use each. What is it that determines the speed at which a computer can find a file? how do you get a report from your pc to the members of your next board meeting? it is the hardware that is used with your computer that allows you to accomplish all of your business needs using your computer. Data input is the collection of raw data that is used to find needed information. Data input is an important part of any business, but different businesses have different needs when it comes to input devices.

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Some common business needs and the best data input solution to solve them are listed below: printed questionnaires an optical mark recognizer ocr would be best because it will read the answers chosen by the participant and turn it in to digital data. Telephone survey a voice recognition device would be the best solution because it would allow the telephone survey answers to be converted for digital use. Bank checks a magnetic ink character recognition device micr is the best answer for banks because it was developed by banks to read a special magnetic ink with pertinent data to be converted in to digital information stair amp reynolds, 2006. Retail tags for retail tags, bar code scanners allow for keeping track of inventory and for pricing and labeling. Long documents optical data readers are the best bet for allowing long documents to be scanned into digital data. Once a company has the input they need in digital form, they must have a tool that allows them to create high quality output of the information gathered.

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