What is a computer: A computer is an electronic device that executes the instructions in a program. A device that accepts data‚ processes the data in accordance with the stored program‚ generates results and usually consists of input‚ output‚ storage‚ Airthmatic logic and control units. A computer has four functions: a. accepts data Input: Data or information written into the computer by user The Information Processing Cycle b.processes data Processing: The calculations performed according
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Axia College Material Appendix E Hardware/Software Components In your own words‚ describe the following hardware/software components |Legacy systems | Legacy systems are the hardware and software systems that are obsolete because its | | |data cannot be changed to a newer or application program cannot be upgraded most of | | |these may still be in use by the company.
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The Advantages and Disadvantages of Graphic Novels Graphic novels are to be defined as novels in comic-strip format. They are usually shown to us either in series and have a continuous plot or it can be presented in shorter stories. One popular form of a “comic book” is called a manga (漫画). The Chinese character that is used to write manga translates into “whimsical drawings”. Mangas are different from most of the books out there in multiple ways. The beginning of the book for instance starts
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Are We Too Dependent on Computers? We have become too dependent on computers for answers‚ personal interactions‚ and we spend way too much time on them. If we used the computers for learning and as a tool this issue wouldn’t be as big. The sad truth is that people use this great tool for an easy way to get out of face to face interactions with other people. In 10-20 years it is said that there will be a computer smarter than the whole human race alive today. That is a scary future that we don’t
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[pic] A computer is a combination of hardware and software. All computers--from the simple calculator to the complex supercomputer--use a combination of hardware and software. Depending on the functionality of the computer‚ your hardware and software will vary. Just as there are many types of hardware‚ there are many types of software available. Hardware Simplified Basically‚ hardware is the physical component that can be touched‚ be it a digital watch‚ calculator‚ cellular phone‚ laptop
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CHAPTER ONE COMPUTER SYSTEM FUNDAMENTALS 1.1 Computer System as a Universal Tool A computer system is an electronic device that accepts inputs; transform the input through some processes to obtain output or information that can aid effective decision making. Information originated from raw data which by its own simple definition is any raw fact or figure that can be subjected to a form of manipulation before it can be trusted for decision making. Data can originate from various sources depending
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and quite literally destroy your computer. 3. Depending on the OS and software/hardware installed‚ they can be difficult to maintain. 4. If you have the internet and don’t have an Anti-Virus program‚ or at least an Anti-Spyware program‚ surfing the web can ruin your day. 5. Nothing lasts forever. 6‚ computers are taking places of labours and 1 computer can do a work of almost 100 acountents at 1 time and all pplz whos’ job is acountacy are job less coz of computer. 7‚ hackers can interfare in
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development of a project. In fact‚ it is the first step for any project The main problem in a project failure is the lack of requirements. The common requirement error is due to human (i.e lack of Communication between customer and the analyst)‚ software‚ etc. Example: Denver International Airport Reason: Underestimation of complexity‚ Complex architecture‚ Changes in requirements‚ Underestimation of schedule and budget‚ Dismissal of advice from experts‚ Failure to build in backup
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Software Requirements Specification 1. Introduction 1.1 Purpose This document is a definition of software requirements to develop an automated night class enrolment system and flexible query database required by St.John’s Central College. This document will present the functional‚ non-functional‚ and design constraint requirements for the system to be developed. Use case models and descriptions are included along with class diagrams to help model and specify the functional requirements and specifications
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ter COMPUTER Computer is one of the wonderful wonders of modern science. It is a fairly recent invention. It has become an essential part of modern life. It has made our way of life easy and comfortable. We cannot do anything today without a computer. A computer is basically a processor of information. Any device that helps people perform mathematical calculation may be called a computer. A computer performs three functions. Firstly it receives data‚ secondly it process
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