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Most prevalent input devices are the keyboard and the mouse. Keyboard is similar to the typewriter, it helps in typing in text, numbers, symbols, punctuation, letters etc. Pressing an enter key, sends the information to the processing device. Mouse is a pointing or clicking device that helps in locating and selecting the files at a faster pace. It has three buttons the left button helps in selecting the file or the folder or the icon on the desktop, a right button which when clicked displays the properties related to the file, while the middle is to scroll the page. Other input devices are scanner, light pen, joystick to play games, digital camera etc.
The result or the outcome after the processing could be displayed by the output devices. The most prevalent output device is the monitor, it is like a TV screen and also called as VDU (Visual Display Unit). Whatever is typed through the keyboard can be seen on the monitor screen. The results of the input are being displayed on the monitor. This is called the soft copy as we can only read it and store the results. When the computer is switched off, results could not be retrieved therefore hard copy or the printouts are taken by another output device, the printer.
Other input/output devices are the Floppy disk, CD-ROM, Pen drives etc. They also act as portable storage devices as they store the information from the computer and also provide the information to the
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Customers are critical inputs for the company because they are the reason for the company's existence. Without the customers, there will be no demand on the company's products and it will not sustain its business. In view of this, the customers' demands, perceptions and needs shape the different processes of the organization.
These are called as the output devices. Keyboard is one of the primary input devices that most of the modern computers use for the input of data/instruction.
There are a series of changes that a keyboard has gone through within a span of around 130 years that a keyboard was first invented.
Documents need to be held and transferred securely. The office LAN comprises Windows XP/Vista and Mac workstations, managed by a Windows Server 2008 and has hot-desk provision for laptops. Without dedicated networks to clients, and because there would be unacceptable security risks in managing client VPN access to the office LAN, it has been proposed that all networked services outside the office LAN will be managed on a separate machine running a Linux (or Ix) OS.
Data might in the form of text, image ,sound or numbers .But whatever may be the form of data , a computer recognizes only 0's and 1's and therefore a user's data needs to be converted into appropriate binary form to be able to be processed by a computer .
Accordijng to the report the present computer technology is about 50 years old now. In this short span, numerous advances and innovations have been made that computer technology has become an indispensable tool in the modern way of life. In the years before the 1980s, computer research and development had been largely dependent on the US government’s usage.
The system should track the immunization dates, printed school and parent reports. It is essential in guiding and timing the appropriate time for administration of vaccines. Health care providers for the past two years have scattered the medical record papers. Parents, therefore, find themselves looking for their immunization records.
Input is the data communicated to the computer by its user or another operating system while the output is the response that the computer gives to its user or another operating system. The interaction between the input and output devices is studied under a field of study called human-computer interaction.
The internal memory is a provisional data storage as well as instructions means while external memory stores data and programs exterior to the computer. The output devices decode the processing results into a form that is human-readable.
Software is a
The essay was also supposed to determine whether the demands of the computer to be allowed time for resting and to get hardware upgrades without any alteration to other parts of the supercomputer should be met. The main argument of the essay is that the super computer should not be allowed this privileges that are the same as those given to human workers.
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