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Computer Literacy - Essay Example

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Hardware is the computer system physical components which can be classified as input devices, internal along with external memory, a central processing unit (CPU) and output devices. The Input devices capture data into the computer. The CPU processes by doing instructions that…
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Computer Literacy
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Download file to see previous pages It exists for programs that are developed by programmers. There are two main classes of software: systems software along with applications software. Systems software controls and manages the function of the computer system when it carries out tasks on behalf of the system user (Chitra & Rani 2014). Systems software comprises of three essential classes: software development programs, operating systems, and utility programs.
A database is an assortment of interrelated files. They can exist on paper, for instance, a telephone directory. Paper databases are inefficient as well as costly to keep. A computer-based database has the benefit of powerful explore services that can be used to find and get information several times faster than the physical techniques (Greenwell, Liu, & Chalmers 2014). Electronic databases provide amenities for system users to add modify or delete records as desired. Indexing characteristics imply that the same essential information is stored in a number of diverse categories. It offers great flexibility as well as allows system users to track, retrieve and put in order information as desired.
A business information system is a group of interconnected constituents that work together to perform input, processing, output, and storage as well as management actions so as to change data into information products. These products can then be used to support planning, forecasting, control, decision making, coordination and functional activities in business. In terms of the elements that do this activity, they can be grouped into five fundamental assets of hardware, people, software, communications as well as data. People resources comprise of the users along with developers of information computer system. It also includes those who assist to maintain along with operating the system like as IS managers in addition to technical support personnel (Chitra & Rani 2014). Hardware ...Download file to see next pagesRead More
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