Computer Security Many commercial software packages are designed with computer security features that control who can access the computer. These types of access controls use a process called identification and authentication. Identification verifies that the user is a valid user‚ and authentication verifies that the user is who he or she claims to be. Three common methods of authentication are remembered information‚ possessed objects‚ and biometric devices. With remembered information‚ a
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5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
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Terms & Definitions for Famous Speeches Repetition: Repeating a word or phrase‚ either to draw extra attention or to emphasise the importance of it. Analogy: A comparison of two things‚ based on the similarities between them; in this case‚ telling a story with a similar sort of message in order to make a related point clear. Rhetorical Questioning: Questions that the speaker might ask‚ but which do not actually require an answer. Rhetorical questions are used to make the audience think a little
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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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Risk Management Trends and Developments Paper University of Phoenix Risk management trends and developments There is an adage that says ‘nothing remains the same forever” and in business this is definitely true. As times evolve and the demographics of business territories change risk management involving these trends and developments become paramount to the survivability and long-term success of both organizations and individuals. An individual need be concerned with the relevance and significance
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SYLLABUS Cambridge International AS and A Level Computing 9691 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations
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APPLICATION SOFTWARE TRENDS APPLICATION SOFTWARE ( An application is a program or group of programs designed for end users. Application software can be divided into two general classes: systems software and applications software. Systems software consists of low-level programs that interact with the computer at a very basic level. This includesoperating systems‚ compilers‚ and utilities for managing computer resources. In contrast‚ applications software (also called end-user programs)
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The long-term GYE forest recovery trend also differs by ownership. Forests on national forest land generally grow back faster than forests in national parks and wilderness areas. During the two decades following the catastrophic fires in 1988‚ national forests consistently had higher values of forest recovery than national parks and wilderness areas. Despite the short-term similarity to the wilderness areas in the first few years after the 1997 fires‚ forest recovery in the GYE national forests rapidly
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Unit 6 – Storage Devices & Memory Videos 1.06 and 1.08 covered Storage Devices and Memory. The 1st one covered all the different types of storage devices. It started with hard drives and went on to floppy drives‚ cd’s‚ dvd’s‚ solid state removable and tape drives. It also covered all the interfaces that can be used with them. The video also touched on power connections used to power up the different storage devices. Video 1.08 covered memory. It went through the two different types of memory
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today’s society‚ almost every household has at least one computer if not more. In fact‚ it is not strange to walk in to a house that has two or three computer. Computers are all the same in one way or another‚ although they do vary from sizes to capabilities. Laptop computer and Desktop Computer are two computers that are similar but different. A Laptop computer is considered top of the by almost anyone who knows about them. A laptop computer can cost a person any where from eight hundred dollars
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