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| Which of the following should be treated as the payer of last resort? |
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| An organization’s ability to pay its debts is known as |
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| is a paper drawn on funds deposited in bank account |
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| person who writes the check |
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| Centeral processing unit(CPU) |
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| collection of 3 components that process data |
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| it supervises the data processing operations |
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| What are the functions the CU preforms during the michine cycle? |
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Retrieving- obtains instructions from the primary storage unit
decoding- translates the instructions into language the computer understands
Executing- carries out the instructions.
storing-results of the instructions are stored in the primary storage unit (PSU) |
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| mathematical calculations involving addition subntraction, multiplication and division |
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| compares data to determine whether two or more values are greater than, less that or equal to eachother. |
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| PSU (Primary storage unit) |
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| main computer memory that stores data and programs instructions |
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| RAM( random access memory) |
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| temporary memory within the CPU that is lost once power is discontinued |
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| permanent memory within the CPU installed by the manufacturer that allows the computer to carry out its operations |
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| input/outpput devices that communication between the user and hardware |
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| allows for input of data into a computer |
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| allows for the input of alphanumeric data |
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| handheld deice that when moed across a flat surface, moves the cursor to any spot on the monitor screen |
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| a ball embedded in a base that when rolled moves the cursor on the screen |
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| a vertaical stick embedded into a base that moves the cursor in the direction the stick is moved |
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| a pressure sensitive pad that produces on the screen any outline drawn on the pad |
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| a pen that is sensitive to the light emanating from the screen. when placed close to the screen it can control the cursor and active various functions |
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| a device such as a wand that bounces a beam of light off an image such as a bar code that recives the reflected light as input |
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| allows for data to be displayed or recorded |
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| cathode ray tube(CRT) or screen that vissually displays data |
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| device that converts computer-generated graphs, charts and drawing into highquality hard copy |
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| means of connrctying peripheral to the CPU |
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| sequentially transfer data one piece at a time |
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| transfers groups of data at a time |
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| due to the temporary nature of RAM in primary storage unit it is nesscesay to use secondary storage componetss to store data and programs |
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| internally contained magetic disk for dara and program storage |
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| external magntic disk that, when innserted into a disk drive can store and load data and programs |
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| electronic device that retrieves and stores data on a diskette |
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| magnetic cassette tape or reel used to store data and programs |
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| dvs and cds data is stored on a metal surfacce that can be read by laser |
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| small removeable storage/memory cards that hae no moving parts pluged into USB port |
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